72991888 (number)

72991888 is an even 8-digits composite number following 72991887 and preceding 72991889. In scientific notation, it is written as 7.2991888 × 10^7. The sum of its digits is 52. It has a total of 5 prime factors and 10 positive divisors. There are 36495936 positive integers (up to 72991888) that are relatively prime to 72991888.

Interesting facts

Basic properties

Name

Name seventy-two million nine hundred ninety-one thousand eight hundred eighty-eight

Notation

Scientific notation 7.2991888 × 10^7
Engineering notation 7.2991888 × 10^6

Prime Factorization of 72991888

Prime Factorization 2 × 2 × 2 × 2 × 4561993

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 9123986
Product of the distinct prime numbers

The prime factorization of 72991888 is 2 × 2 × 2 × 2 × 4561993. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72991888)

Multiplication

n×y
n×2 145983776
n×3 218975664
n×4 291967552
n×5 364959440

Division

n÷y
n÷2 36495944
n÷3 24330629.333333
n÷3 18247972
n÷5 14598377.6

Exponentiation

ny
n2 5327815713804544
n3 3.8888732786666E+23
n4 2.8385620280263E+31
n5 2.0719200163075E+39

Nth Root

y√n
2√n 8543.5290132357
3√n 417.91843833427
4√n 92.431212332392
5√n 37.381344653906

Divisors of 72991888

10 divisors

τ Total Divisors 10
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -72991887
Sum of the proper positive divisors of n
A Arithmetic Mean 0.1
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 10
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 72991888 can be divided by 10 positive divisors. The sum of these divisors (counting 72991888) is 1, the average is 0.1.

Base conversion 72991888

Base System Value
2 Binary 100010110011100010010010000
3 Ternary 12002100101001021
4 Quaternary 10112130102100
5 Quinary 122141220023
6 Senary 11124245224
8 Octal 426342220
10 Decimal 72991888
12 Duodecimal 20540814
16 Hexadecimal 459c490
20 Vigesimal 12g3je8
36 Base36 17ggwg

Cryptographic Hash Functions

md5 018572662d90f7bee4e5298a7811fc61
sha1 e256bfa7d7c4f29bb314217247e372f844f98ff5
sha256 af7ac9f70f12d4530156b13200f8d3bbf6fa91e5ab00afc446dafa156ea639e2
sha512 ba30235e17463f2678a38e57d4e660458ca4e3e35be0e9b0f461b273c5dac9bfc242b5917439c8ac8223a45104b7733df779fb41336034167d55eab752690c4d
ripemd-160 2018551302b710a6ce63bc4a98561e0022ca49f9

72991888 as geometric shapes

Circle

Radius = n
Diameter 145983776
Circumference 458621558.2249
Area 1.6737826706169E+16

Sphere

Radius = n
Volume 1.6289674297334E+24
Surface area 6.6951306824674E+16
Circumference 458621558.2249

Square

Length = n
Perimeter 291967552
Area 5327815713804544
Diagonal 103226117.95282

Cube

Length = n
Surface area 31966894282827264
Volume 3.8888732786666E+23
Space diagonal 126425658.55638

Equilateral Triangle

Length = n
Perimeter 218975664
Area 2.3070118774183E+15
Altitude 63212829.278189

Triangular Pyramid

Length = n
Surface area 2.3070118774183E+15
Volume 4.5830811108672E+22
Height 34408705.984273