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.
81796731 has 8 divisors, whose sum is 109315920
The reverse of 81796731 is 13769718
Previous prime number is 433
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
eighty-one million seven hundred ninety-six thousand seven hundred thirty-one
Scientific notation
8.1796731 × 10^7
Engineering notation
8.1796731 × 10^6
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.
10 , 5 , 51 , 58 , 831 , 814 , 6939 , 8342 , 90616 , 32698 , 690439 , 198378 , 2291307 , 4399730 , 11641922 , 77118190 , 276133056 , 28936123 , 2859810844 , 435038888
n×2
163593462
n×3
245390193
n×4
327186924
n×5
408983655
n÷2
40898365.5
n÷3
27265577
n÷3
20449182.75
n÷5
16359346.2
n2
6690705202286361
n3
5.4727781363172E+23
n4
4.4765536103902E+31
n5
3.6616745147616E+39
2 √n
9044.1545210152
3 √n
434.08886844879
4 √n
95.100759834058
5 √n
38.24258049575
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
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
md5
28fb048d7d9f855baa349afa15ba0ecd
sha1
4830dd033aa975ed755cfdb34472ee9c11ee4460
sha256
7ba9c2c6dbb2947b489852775df254d97e9eb6cf8cacbcb071a73cd1cbd32651
sha512
bfb691b04e7393397266100335231c510152f86dab46fb2b21b836df1cf5e16ba24aac512f4b5728a3bb9ab847e798b279832d878a95c0aeab1ee5fedda4e7a0
ripemd-160
a52f3d56f7f332743ed5e815d6627cf7ae8f561c
Diameter
163593462
Circumference
513944018.39452
Area
2.1019470310838E+16
Volume
2.2924319450375E+24
Surface area
8.4077881243351E+16
Circumference
513944018.39452
Perimeter
327186924
Area
6690705202286361
Diagonal
115678046.33798
Surface area
40144231213718166
Volume
5.4727781363172E+23
Space diagonal
141676093.98504
Perimeter
245390193
Area
2.8971603372063E+15
Altitude
70838046.992522
Surface area
2.8971603372063E+15
Volume
6.4497308868656E+22
Height
38559348.779328