72508721 (number)

72508721 is an odd 8-digits composite number following 72508720 and preceding 72508722. In scientific notation, it is written as 7.2508721 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 70049520 positive integers (up to 72508721) that are relatively prime to 72508721.

Interesting facts

Basic properties

Name

Name seventy-two million five hundred eight thousand seven hundred twenty-one

Notation

Scientific notation 7.2508721 × 10^7
Engineering notation 7.2508721 × 10^6

Prime Factorization of 72508721

Prime Factorization 709 × 31 × 3299

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 72508721
Product of the distinct prime numbers

The prime factorization of 72508721 is 709 × 31 × 3299. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72508721)

Multiplication

n×y
n×2 145017442
n×3 217526163
n×4 290034884
n×5 362543605

Division

n÷y
n÷2 36254360.5
n÷3 24169573.666667
n÷3 18127180.25
n÷5 14501744.2

Exponentiation

ny
n2 5257514621055841
n3 3.8121566081156E+23
n4 2.7641459990616E+31
n5 2.0042469104922E+39

Nth Root

y√n
2√n 8515.205282317
3√n 416.99426446152
4√n 92.277869948959
5√n 37.33172422004

Divisors of 72508721

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 -72508720
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 72508721 can be divided by 8 positive divisors. The sum of these divisors (counting 72508721) is 1, the average is 0.125.

Base conversion 72508721

Base System Value
2 Binary 100010100100110010100110001
3 Ternary 12001102211021012
4 Quaternary 10110212110301
5 Quinary 122030234341
6 Senary 11110040305
8 Octal 424462461
10 Decimal 72508721
12 Duodecimal 20349095
16 Hexadecimal 4526531
20 Vigesimal 12d3bg1
36 Base36 176435

Cryptographic Hash Functions

md5 046952408d8ff1b90a36501ac8c6da36
sha1 68d6e171737cca944381a2aa0886f4e27d6407b4
sha256 903b6809a121df9a0d07b7509ece528fa2b00e5a460bff13a60f1b3b6134173d
sha512 c04cbb02d36f2076adb97e47e34bcca6479adbd5a4bbb61483ae374ea7212b1294a199d2d3d8b80b6adee5b9bf8f39ca76d50463f3c79bc25e3bcc92022b9e5e
ripemd-160 b400e10cc1a0929f6dd1ce963b0f57656ca4ff56

72508721 as geometric shapes

Circle

Radius = n
Diameter 145017442
Circumference 455585730.42958
Area 1.651696930965E+16

Sphere

Radius = n
Volume 1.5968324259186E+24
Surface area 6.60678772386E+16
Circumference 455585730.42958

Square

Length = n
Perimeter 290034884
Area 5257514621055841
Diagonal 102542816.62853

Cube

Length = n
Surface area 31545087726335046
Volume 3.8121566081156E+23
Space diagonal 125588788.76384

Equilateral Triangle

Length = n
Perimeter 217526163
Area 2.2765706113012E+15
Altitude 62794394.381918

Triangular Pyramid

Length = n
Surface area 2.2765706113012E+15
Volume 4.4926696475727E+22
Height 34180938.876176