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

1242905 (number)

1242905 is an odd 7-digits composite number following 1242904 and preceding 1242906. In scientific notation, it is written as 1.242905 × 10^6. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 990000 positive integers (up to 1242905) that are relatively prime to 1242905.

Interesting facts

1242905 has 8 divisors, whose sum is 1497984
The reverse of 1242905 is 5092421
Previous prime number is 331

Basic properties

Is Prime? no
Number parity odd
Number length 7
Sum of Digits 23
Digital Root 5

Name

Name	one million two hundred forty-two thousand nine hundred five

Notation

Scientific notation	1.242905 × 10^6
Engineering notation	1.242905 × 10^6

Prime Factorization of 1242905

Prime Factorization 5 × 331 × 751

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	1242905	Product of the distinct prime numbers

The prime factorization of 1242905 is 5 × 331 × 751. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 4, 70, 97, 810, 635, 9650, 9901, 36103, 41970, 636212, 694505, 5551499, 9225273, 30630668, 49409437, 669135102, 43883898, 8780765517, 4948487544

Basic calculations (n = 1242905)

Multiplication

n×y

n×2	2485810
n×3	3728715
n×4	4971620
n×5	6214525

Division

n÷y

n÷2	621452.5
n÷3	414301.66666667
n÷3	310726.25
n÷5	248581

Exponentiation

n^y

n²	1544812839025
n³	1920055601688367625
n⁴	2.3864467076165E+24
n⁵	2.9661265451301E+30

Nth Root

^y√n

²√n	1114.8564930071
³√n	107.51753815173
⁴√n	33.389466797286
⁵√n	16.553414386981

Divisors of 1242905

1, 5, 331, 751, 1655, 3755, 248581, 1242905

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-1242904	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1242905 can be divided by 8 positive divisors. The sum of these divisors (counting 1242905) is 1, the average is 0.125.

Base conversion 1242905

Base	System	Value
2	Binary	100101111011100011001
3	Ternary	2100010221112
4	Quaternary	10233130121
5	Quinary	304233110
6	Senary	42350105
8	Octal	4573431
10	Decimal	1242905
12	Duodecimal	4bb335
16	Hexadecimal	12f719
20	Vigesimal	7f755
36	Base36	qn15

Cryptographic Hash Functions

md5	448560bbc4523e3a3d0e9a4e4f264aec
sha1	a6697b7c64209a41ab8a9b20cfe1eeda9227b6e7
sha256	74a4c09c7f927094218abd4ee01ad999e2d65f112fc69a4200cbf3f6fdfe9754
sha512	497fabc6876a4cd9e3725a202ab93f2d2cbca83103f072b48bc60b57bf229e081405e141abf647d13752d8f39059f60ae56ec0e79b58f5e137f28c08e72c77a3
ripemd-160	e8068f81ec9c65672210278120be9c23b2e55c1d

1242905 as geometric shapes

Circle

Radius = n

Diameter	2485810
Circumference	7809402.43422
Area	4853172666252.1

Sphere

Radius = n

Volume	8.0427100969975E+18
Surface area	19412690665009
Circumference	7809402.43422

Square

Length = n

Perimeter	4971620
Area	1544812839025
Diagonal	1757733.1077413

Cube

Length = n

Surface area	9268877034150
Volume	1920055601688367625
Space diagonal	2152774.6089814

Equilateral Triangle

Length = n

Perimeter	3728715
Area	668923581344.01
Altitude	1076387.3044907

Triangular Pyramid

Length = n

Surface area	668923581344.01
Volume	2.2628072270151E+17
Height	585911.03591378