81796731 (number)

81796731 is an odd 8-digits composite number following 81796730 and preceding 81796732. In scientific notation, it is written as 8.1796731 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 54404352 positive integers (up to 81796731) that are relatively prime to 81796731.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred ninety-six thousand seven hundred thirty-one

Notation

Scientific notation 8.1796731 × 10^7
Engineering notation 8.1796731 × 10^6

Prime Factorization of 81796731

Prime Factorization 3 × 433 × 62969

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81796731
Product of the distinct prime numbers

The prime factorization of 81796731 is 3 × 433 × 62969. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81796731)

Multiplication

n×y
n×2 163593462
n×3 245390193
n×4 327186924
n×5 408983655

Division

n÷y
n÷2 40898365.5
n÷3 27265577
n÷3 20449182.75
n÷5 16359346.2

Exponentiation

ny
n2 6690705202286361
n3 5.4727781363172E+23
n4 4.4765536103902E+31
n5 3.6616745147616E+39

Nth Root

y√n
2√n 9044.1545210152
3√n 434.08886844879
4√n 95.100759834058
5√n 38.24258049575

Divisors of 81796731

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 -81796730
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 81796731 can be divided by 8 positive divisors. The sum of these divisors (counting 81796731) is 1, the average is 0.125.

Base conversion 81796731

Base System Value
2 Binary 100111000000001111001111011
3 Ternary 12200220201000120
4 Quaternary 10320001321323
5 Quinary 131414443411
6 Senary 12041104323
8 Octal 470017173
10 Decimal 81796731
12 Duodecimal 234880a3
16 Hexadecimal 4e01e7b
20 Vigesimal 15b4bgb
36 Base36 1cp6rf

Cryptographic Hash Functions

md5 28fb048d7d9f855baa349afa15ba0ecd
sha1 4830dd033aa975ed755cfdb34472ee9c11ee4460
sha256 7ba9c2c6dbb2947b489852775df254d97e9eb6cf8cacbcb071a73cd1cbd32651
sha512 bfb691b04e7393397266100335231c510152f86dab46fb2b21b836df1cf5e16ba24aac512f4b5728a3bb9ab847e798b279832d878a95c0aeab1ee5fedda4e7a0
ripemd-160 a52f3d56f7f332743ed5e815d6627cf7ae8f561c

81796731 as geometric shapes

Circle

Radius = n
Diameter 163593462
Circumference 513944018.39452
Area 2.1019470310838E+16

Sphere

Radius = n
Volume 2.2924319450375E+24
Surface area 8.4077881243351E+16
Circumference 513944018.39452

Square

Length = n
Perimeter 327186924
Area 6690705202286361
Diagonal 115678046.33798

Cube

Length = n
Surface area 40144231213718166
Volume 5.4727781363172E+23
Space diagonal 141676093.98504

Equilateral Triangle

Length = n
Perimeter 245390193
Area 2.8971603372063E+15
Altitude 70838046.992522

Triangular Pyramid

Length = n
Surface area 2.8971603372063E+15
Volume 6.4497308868656E+22
Height 38559348.779328