81617152 (number)

81617152 is an even 8-digits composite number following 81617151 and preceding 81617153. In scientific notation, it is written as 8.1617152 × 10^7. The sum of its digits is 31. It has a total of 9 prime factors and 18 positive divisors. There are 40808448 positive integers (up to 81617152) that are relatively prime to 81617152.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred seventeen thousand one hundred fifty-two

Notation

Scientific notation 8.1617152 × 10^7
Engineering notation 8.1617152 × 10^6

Prime Factorization of 81617152

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 318817

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 637634
Product of the distinct prime numbers

The prime factorization of 81617152 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 318817. Since it has a total of 9 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81617152)

Multiplication

n×y
n×2 163234304
n×3 244851456
n×4 326468608
n×5 408085760

Division

n÷y
n÷2 40808576
n÷3 27205717.333333
n÷3 20404288
n÷5 16323430.4

Exponentiation

ny
n2 6661359500591104
n3 5.4368119088639E+23
n4 4.4373710396115E+31
n5 3.6216558662037E+39

Nth Root

y√n
2√n 9034.2211617826
3√n 433.77096511044
4√n 95.048520039938
5√n 38.225773948256

Divisors of 81617152

18 divisors

τ Total Divisors 18
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81617151
Sum of the proper positive divisors of n
A Arithmetic Mean 0.055555555555556
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 18
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81617152 can be divided by 18 positive divisors. The sum of these divisors (counting 81617152) is 1, the average is 0.055555555555556.

Base conversion 81617152

Base System Value
2 Binary 100110111010110000100000000
3 Ternary 12200120120200111
4 Quaternary 10313112010000
5 Quinary 131343222102
6 Senary 12033201104
8 Octal 467260400
10 Decimal 81617152
12 Duodecimal 23400194
16 Hexadecimal 4dd6100
20 Vigesimal 15a22hc
36 Base36 1clc74

Cryptographic Hash Functions

md5 2ea19fb6ef3389cb70f89b5de1582f41
sha1 42fad8d3cd30462cd8ae737d2db7dc27b6e55057
sha256 9b9d047b2471bb90ec1432310bac0ad44b3471c88d8b5de750b36a9a54610df8
sha512 6f93f6086c437492473671f5f3a9b599052315e66f4cb830744c6505a0b4daa57b859dafc1da237dfd07537d488aabed4b6e5fe372f07da17b9375d05b56f9e8
ripemd-160 34e856d5d55aea3dc6f7adf92596e086f75e3081

81617152 as geometric shapes

Circle

Radius = n
Diameter 163234304
Circumference 512815690.26024
Area 2.0927278069978E+16

Sphere

Radius = n
Volume 2.2773664469115E+24
Surface area 8.370911227991E+16
Circumference 512815690.26024

Square

Length = n
Perimeter 326468608
Area 6661359500591104
Diagonal 115424083.28067

Cube

Length = n
Surface area 39968157003546624
Volume 5.4368119088639E+23
Space diagonal 141365054.03307

Equilateral Triangle

Length = n
Perimeter 244851456
Area 2.8844532756264E+15
Altitude 70682527.016536

Triangular Pyramid

Length = n
Surface area 2.8844532756264E+15
Volume 6.4073442813224E+22
Height 38474694.426889