72638861 (number)

72638861 is an odd 8-digits composite number following 72638860 and preceding 72638862. In scientific notation, it is written as 7.2638861 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 70582320 positive integers (up to 72638861) that are relatively prime to 72638861.

Interesting facts

Basic properties

Name

Name seventy-two million six hundred thirty-eight thousand eight hundred sixty-one

Notation

Scientific notation 7.2638861 × 10^7
Engineering notation 7.2638861 × 10^6

Prime Factorization of 72638861

Prime Factorization 83 × 61 × 14347

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 72638861
Product of the distinct prime numbers

The prime factorization of 72638861 is 83 × 61 × 14347. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 8, 92, 25, 215, 602, 9298, 8209, 76244, 42476, 653283, 438356, 6784147, 6129514, 94612964, 77647698, 162919405, 947818212, 4710337944, 4561112867

Basic calculations (n = 72638861)

Multiplication

n×y
n×2 145277722
n×3 217916583
n×4 290555444
n×5 363194305

Division

n÷y
n÷2 36319430.5
n÷3 24212953.666667
n÷3 18159715.25
n÷5 14527772.2

Exponentiation

ny
n2 5276404127377321
n3 3.8327198598839E+23
n4 2.7840440515404E+31
n5 2.0222978887772E+39

Nth Root

y√n
2√n 8522.8434809047
3√n 417.24359170708
4√n 92.319247618818
5√n 37.345115344118

Divisors of 72638861

1, 61, 83, 5063, 14347, 875167, 1190801, 72638861

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 -72638860
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 72638861 can be divided by 8 positive divisors. The sum of these divisors (counting 72638861) is 1, the average is 0.125.

Base conversion 72638861

Base System Value
2 Binary 100010101000110000110001101
3 Ternary 12001200102210012
4 Quaternary 10111012012031
5 Quinary 122043420421
6 Senary 11112523005
8 Octal 425060615
10 Decimal 72638861
12 Duodecimal 203b0465
16 Hexadecimal 454618d
20 Vigesimal 12djh31
36 Base36 178wi5

Cryptographic Hash Functions

md5 265fd3fee4eccd798967ef1067b7b535
sha1 93fca3a24823c31a2cfa8384026db264e44b8cd4
sha256 dcb7a34f324b308e3b6ac2c72b8b2f7bad44250b04dd90975796f3a07fa4fc6e
sha512 d1d892832c03d1487beb0548577494ac5e42c5741292702fe2a75c1530bad55e6e59e832a1f1ef2112cdcb4e667f7111268f8afa42949be50aa3dd348c5e8dd7
ripemd-160 a30896a3c955bc57c5402a740f3044b5708bb136

72638861 as geometric shapes

Circle

Radius = n
Diameter 145277722
Circumference 456403424.16546
Area 1.6576312443939E+16

Sphere

Radius = n
Volume 1.6054459406772E+24
Surface area 6.6305249775758E+16
Circumference 456403424.16546

Square

Length = n
Perimeter 290555444
Area 5276404127377321
Diagonal 102726862.38153

Cube

Length = n
Surface area 31658424764263926
Volume 3.8327198598839E+23
Space diagonal 125814197.85593

Equilateral Triangle

Length = n
Perimeter 217916583
Area 2.2847500074709E+15
Altitude 62907098.927967

Triangular Pyramid

Length = n
Surface area 2.2847500074709E+15
Volume 4.5169036721871E+22
Height 34242287.460511