72991845 (number)

72991845 is an odd 8-digits composite number following 72991844 and preceding 72991846. In scientific notation, it is written as 7.2991845 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors. There are 38928960 positive integers (up to 72991845) that are relatively prime to 72991845.

Interesting facts

Basic properties

Name

Name seventy-two million nine hundred ninety-one thousand eight hundred forty-five

Notation

Scientific notation 7.2991845 × 10^7
Engineering notation 7.2991845 × 10^6

Prime Factorization of 72991845

Prime Factorization 3 × 5 × 3 × 1622041

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 24330615
Product of the distinct prime numbers

The prime factorization of 72991845 is 3 × 5 × 3 × 1622041. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 4, 86, 47, 778, 480, 9197, 985, 37285, 74379, 926748, 249600, 5597948, 8556291, 32791250, 66976434, 571277975, 249970296, 2363334991, 8001466982

Basic calculations (n = 72991845)

Multiplication

n×y
n×2 145983690
n×3 218975535
n×4 291967380
n×5 364959225

Division

n÷y
n÷2 36495922.5
n÷3 24330615
n÷3 18247961.25
n÷5 14598369

Exponentiation

ny
n2 5327809436504025
n3 3.8888664057884E+23
n4 2.8385553391701E+31
n5 2.0719139134063E+39

Nth Root

y√n
2√n 8543.5264967108
3√n 417.91835626809
4√n 92.43119871943
5√n 37.381340249586

Divisors of 72991845

1, 3, 5, 9, 15, 45, 1622041, 4866123, 8110205, 14598369, 24330615, 72991845

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -72991844
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 72991845 can be divided by 12 positive divisors. The sum of these divisors (counting 72991845) is 1, the average is 0.083333333333333.

Base conversion 72991845

Base System Value
2 Binary 100010110011100010001100101
3 Ternary 12002100100222200
4 Quaternary 10112130101211
5 Quinary 122141214340
6 Senary 11124245113
8 Octal 426342145
10 Decimal 72991845
12 Duodecimal 20540799
16 Hexadecimal 459c465
20 Vigesimal 12g3jc5
36 Base36 17ggv9

Cryptographic Hash Functions

md5 0d5e534e63543c082d9a59c48200edd4
sha1 a15663d94aac4c6c432eb64394823f6160f093f9
sha256 9267576052ed3cb85f05e4f13fc712ebb38579debc75a3b18c6142d6ee22b8ef
sha512 e24279818a15298ef17bf6b0be0894b8832dd03531de1db0fc379b7e4dacdeec9c5ecdf5e69ea7a7a299e28c0e4ae7d98cde78426257db593ca325923aa15811
ripemd-160 d434af0979c46ffe420452dea20bad6a991fdaf9

72991845 as geometric shapes

Circle

Radius = n
Diameter 145983690
Circumference 458621288.04793
Area 1.6737806985447E+16

Sphere

Radius = n
Volume 1.6289645508289E+24
Surface area 6.695122794179E+16
Circumference 458621288.04793

Square

Length = n
Perimeter 291967380
Area 5327809436504025
Diagonal 103226057.14163

Cube

Length = n
Surface area 31966856619024150
Volume 3.8888664057884E+23
Space diagonal 126425584.07819

Equilateral Triangle

Length = n
Perimeter 218975535
Area 2.3070091592675E+15
Altitude 63212792.039096

Triangular Pyramid

Length = n
Surface area 2.3070091592675E+15
Volume 4.5830730111025E+22
Height 34408685.713878