Math question: What is the largest prime factor of the number 1255?

To find the largest prime factor of 1255, we break it down into its prime factors. The prime factors of 1255 are 5, 251, and 251. Since 251 is the largest prime factor, the answer is 251.

Math Question: What is the sum of 1255, its square root, and its cube root, rounded to the nearest whole number?

To find the sum, we first calculate the square root of 1255, which is approximately 35.40, and the cube root, which is approximately 10.95. Rounding these values to the nearest whole number gives us 35 and 11, respectively. Adding these three values together gives us 1255 + 35 + 11 = 1301. So, the sum of 1255, its square root, and its cube root (rounded) is 1301.

Math question: What is the smallest prime number greater than 1255 and when divided by 5 gives a remainder of 2?

To find the smallest prime number greater than 1255 satisfying the condition, we start by checking numbers greater than 1255 that leave a remainder of 2 when divided by 5. The first such number is 1257. However, 1257 is not a prime number as it is divisible by 3. Next, we try 1262, but it is divisible by 2. Continuing this process, we find that the smallest prime number greater than 1255, leaving a remainder of 2 when divided by 5, is 1277. Explanation (494 characters): We start checking numbers greater than 1255 that yield a remainder of 2 when divided by 5. The first number, 1257, is divisible by 3, hence not prime. Moving on to 1262, it is divisible by 2. Continuing this process, the smallest prime number greater than 1255, giving a remainder of 2 when divided by 5, is 1277.

Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

1255 (number)

1255 is an odd 4-digits composite number following 1254 and preceding 1256. In scientific notation, it is written as 1.255 × 10^3. The sum of its digits is 13. It has a total of 2 prime factors and 4 positive divisors. There are 1000 positive integers (up to 1255) that are relatively prime to 1255.

Interesting facts

1255 has 4 divisors, whose sum is 1512
The reverse of 1255 is 5521
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 4
Sum of Digits 13
Digital Root 4

Name

Name	one thousand two hundred fifty-five

Notation

Scientific notation	1.255 × 10^3
Engineering notation	1.255 × 10^3

Prime Factorization of 1255

Prime Factorization 5 × 251

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	1255	Product of the distinct prime numbers

The prime factorization of 1255 is 5 × 251. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 9, 23, 45, 688, 630, 2020, 8061, 3151, 7556, 506681, 87677, 8937757, 6371559, 53653992, 59227765, 644155148, 958538058, 7233048207, 3405295980

Basic calculations (n = 1255)

Multiplication

n×y

n×2	2510
n×3	3765
n×4	5020
n×5	6275

Division

n÷y

n÷2	627.5
n÷3	418.33333333333
n÷3	313.75
n÷5	251

Exponentiation

n^y

n²	1575025
n³	1976656375
n⁴	2480703750625
n⁵	3113283207034375

Nth Root

^y√n

²√n	35.425979167837
³√n	10.786517240006
⁴√n	5.9519727122893
⁵√n	4.1660909342508

Divisors of 1255

1, 5, 251, 1255

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-1254	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	1	Returns the nth root of the product of n divisors
H	Harmonic Mean	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1255 can be divided by 4 positive divisors. The sum of these divisors (counting 1255) is 1, the average is 0.25.

Base conversion 1255

Base	System	Value
2	Binary	10011100111
3	Ternary	1201111
4	Quaternary	103213
5	Quinary	20010
6	Senary	5451
8	Octal	2347
10	Decimal	1255
12	Duodecimal	887
16	Hexadecimal	4e7
20	Vigesimal	32f
36	Base36	yv

Cryptographic Hash Functions

md5	3bf55bbad370a8fcad1d09b005e278c2
sha1	cc6f6ede7b271915dba0f43119e441804a648724
sha256	3f9eb849d10083d521abdb950e6ac4084bf4c0dad005cc7dab81a3d0a2499715
sha512	6251231e13a67eafb12b224bc4b65ccb8ab292349986ec74946d65cd9f5a5069514d1d945f6ab5a5dfa54fb7d57cd2e25e91a838f7401d54b51345ac2fac75c9
ripemd-160	4d441383047b56d96c2074b7b04fae29cae3a150

1255 as geometric shapes

Circle

Radius = n

Diameter	2510
Circumference	7885.3975605104
Area	4948086.9692203

Sphere

Radius = n

Volume	8279798861.8286
Surface area	19792347.876881
Circumference	7885.3975605104

Square

Length = n

Perimeter	5020
Area	1575025
Diagonal	1774.8380207782

Cube

Length = n

Surface area	9450150
Volume	1976656375
Space diagonal	2173.7237634989

Equilateral Triangle

Length = n

Perimeter	3765
Area	682005.83079779
Altitude	1086.8618817495

Triangular Pyramid

Length = n

Surface area	682005.83079779
Volume	232951187.80635
Height	591.61267359274