Math question: What is the sum of the individual digits and the product of the first and last digits of the number 2745?

To find the sum of the individual digits, we add 2 + 7 + 4 + 5 = 18. The product of the first digit (2) and the last digit (5) is 2 * 5 = 10. Therefore, the sum of the individual digits and the product of the first and last digits of 2745 is 18 + 10 = 28.

Math Question: What is the sum of all the digits in the number 2745?

To find the sum of the four digits in the number 2745, we add them together: 2 + 7 + 4 + 5 = 18. Therefore, the sum of the digits in the number 2745 is 18.

Math question: What is the sum of the digits in the number 2745?

To find the sum of the digits in 2745, we add the individual digits: 2 + 7 + 4 + 5 = 18.

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

2745 (number)

2745 is an odd 4-digits composite number following 2744 and preceding 2746. In scientific notation, it is written as 2.745 × 10^3. The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors. There are 1440 positive integers (up to 2745) that are relatively prime to 2745.

Interesting facts

2745 has 8 divisors, whose sum is 3720
The reverse of 2745 is 5472
Previous prime number is 9

Basic properties

Is Prime? no
Number parity odd
Number length 4
Sum of Digits 18
Digital Root 9

Name

Name	two thousand seven hundred forty-five

Notation

Scientific notation	2.745 × 10^3
Engineering notation	2.745 × 10^3

Prime Factorization of 2745

Prime Factorization 5 × 9 × 61

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	2745	Product of the distinct prime numbers

The prime factorization of 2745 is 5 × 9 × 61. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 7, 38, 82, 938, 93, 4812, 148, 66674, 64313, 156093, 778446, 3975307, 4436595, 13337393, 55097133, 536317039, 919656156, 2176305530, 1182432036

Basic calculations (n = 2745)

Multiplication

n×y

n×2	5490
n×3	8235
n×4	10980
n×5	13725

Division

n÷y

n÷2	1372.5
n÷3	915
n÷3	686.25
n÷5	549

Exponentiation

n^y

n²	7535025
n³	20683643625
n⁴	56776601750625
n⁵	155851771805465625

Nth Root

^y√n

²√n	52.392747589719
³√n	14.00170047372
⁴√n	7.2382834698372
⁵√n	4.8720133511552

Divisors of 2745

1, 5, 9, 45, 61, 305, 549, 2745

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	-2744	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 2745 can be divided by 8 positive divisors. The sum of these divisors (counting 2745) is 1, the average is 0.125.

Base conversion 2745

Base	System	Value
2	Binary	101010111001
3	Ternary	10202200
4	Quaternary	222321
5	Quinary	41440
6	Senary	20413
8	Octal	5271
10	Decimal	2745
12	Duodecimal	1709
16	Hexadecimal	ab9
20	Vigesimal	6h5
36	Base36	249

Cryptographic Hash Functions

md5	531db99cb00833bcd414459069dc7387
sha1	280b37188f68faa359eae207ebf22ae5546cca77
sha256	909f911ba355637df208bc7fe62fca01b15f01312440de39e3add033fd6e251d
sha512	0fef13d747479499f497bc98d5e8b806ea42b71a1b6408e322622e700e16d2d3fec6fb5ef427c4685a3cd64094ec3edb2e003b4db66e5469e18eb36d33a65f08
ripemd-160	4f6d8e439e5a4c2e6ff45ab6ef56c585a663ec8f

2745 as geometric shapes

Circle

Radius = n

Diameter	5490
Circumference	17247.343668208
Area	23671979.184615

Sphere

Radius = n

Volume	86639443815.692
Surface area	94687916.738462
Circumference	17247.343668208

Square

Length = n

Perimeter	10980
Area	7535025
Diagonal	3882.0162287141

Cube

Length = n

Surface area	45210150
Volume	20683643625
Space diagonal	4754.4794667766

Equilateral Triangle

Length = n

Perimeter	8235
Area	3262761.5340754
Altitude	2377.2397333883

Triangular Pyramid

Length = n

Surface area	3262761.5340754
Volume	2437590777.8139
Height	1294.0054095714