72991618 (number)

72991618 is an even 8-digits composite number following 72991617 and preceding 72991619. In scientific notation, it is written as 7.2991618 × 10^7. The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors. There are 31217616 positive integers (up to 72991618) that are relatively prime to 72991618.

Interesting facts

Basic properties

Name

Name seventy-two million nine hundred ninety-one thousand six hundred eighteen

Notation

Scientific notation 7.2991618 × 10^7
Engineering notation 7.2991618 × 10^6

Prime Factorization of 72991618

Prime Factorization 2 × 7 × 509 × 10243

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 72991618
Product of the distinct prime numbers

The prime factorization of 72991618 is 2 × 7 × 509 × 10243. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 4, 10, 95, 408, 335, 3853, 5176, 98746, 58101, 926590, 69903, 9727029, 8316026, 87949504, 90775478, 501196319, 520796985, 9119606083, 5974936964

Basic calculations (n = 72991618)

Multiplication

n×y
n×2 145983236
n×3 218974854
n×4 291966472
n×5 364958090

Division

n÷y
n÷2 36495809
n÷3 24330539.333333
n÷3 18247904.5
n÷5 14598323.6

Exponentiation

ny
n2 5327776298257924
n3 3.888830123519E+23
n4 2.8385200284279E+31
n5 2.0718816960036E+39

Nth Root

y√n
2√n 8543.5132117882
3√n 417.91792303446
4√n 92.431126855558
5√n 37.381316998838

Divisors of 72991618

1, 2, 7, 14, 509, 1018, 3563, 7126, 10243, 20486, 71701, 143402, 5213687, 10427374, 36495809, 72991618

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -72991617
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 72991618 can be divided by 16 positive divisors. The sum of these divisors (counting 72991618) is 1, the average is 0.0625.

Base conversion 72991618

Base System Value
2 Binary 100010110011100001110000010
3 Ternary 12002100100200021
4 Quaternary 10112130032002
5 Quinary 122141212433
6 Senary 11124244054
8 Octal 426341602
10 Decimal 72991618
12 Duodecimal 2054062a
16 Hexadecimal 459c382
20 Vigesimal 12g3j0i
36 Base36 17ggoy

Cryptographic Hash Functions

md5 ee41bf04b26dd385cc320e8c029d7bf1
sha1 934f9a23949056619428533c5e097e8f99633c15
sha256 5a15fc237e1400c18b541c716ff88c2cbedf1764ba9966c539ea666038f1647d
sha512 d95c19279b4403b948a4bc58391f3fa425b6e53e8e9bc853ec7337279bb8e558d88c5bc0fdf5397ed76bb66567903785cbbab29e4898595d47d964b7ed93ebae
ripemd-160 bc1010ae5cb9d6d40b0ac3f63e95e58023704e5f

72991618 as geometric shapes

Circle

Radius = n
Diameter 145983236
Circumference 458619861.76487
Area 1.6737702878577E+16

Sphere

Radius = n
Volume 1.6289493529474E+24
Surface area 6.6950811514308E+16
Circumference 458619861.76487

Square

Length = n
Perimeter 291966472
Area 5327776298257924
Diagonal 103225736.11516

Cube

Length = n
Surface area 31966657789547544
Volume 3.888830123519E+23
Space diagonal 126425190.90266

Equilateral Triangle

Length = n
Perimeter 218974854
Area 2.306994809986E+15
Altitude 63212595.451329

Triangular Pyramid

Length = n
Surface area 2.306994809986E+15
Volume 4.583030252038E+22
Height 34408578.705052