82145791 is an odd 8-digits composite number following 82145790
and preceding 82145792 . In scientific notation, it is written as 8.2145791 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 64735200 positive integers (up to 82145791) that are relatively prime to 82145791.
82145791 has 16 divisors, whose sum is 101506048
The reverse of 82145791 is 19754128
Previous prime number is 271
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
eighty-two million one hundred forty-five thousand seven hundred ninety-one
Scientific notation
8.2145791 × 10^7
Engineering notation
8.2145791 × 10^6
Prime Factorization
7 × 13 × 271 × 3331
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
82145791
Product of the distinct prime numbers
The prime factorization of 82145791 is 7 × 13 × 271 × 3331.
Since it has a total of 4 prime factors.
10 , 6 , 92 , 23 , 856 , 662 , 5217 , 9622 , 85422 , 70518 , 74154 , 564829 , 4966355 , 2984296 , 959304 , 56929699 , 248538782 , 583655121 , 6472972127 , 6458380798
n×2
164291582
n×3
246437373
n×4
328583164
n×5
410728955
n÷2
41072895.5
n÷3
27381930.333333
n÷3
20536447.75
n÷5
16429158.2
n2
6747930979015681
n3
5.5431412788465E+23
n4
4.553457249756E+31
n5
3.7404734756589E+39
2 √n
9063.4315245386
3 √n
434.70547024213
4 √n
95.20205630415
5 √n
38.275164260359
1 , 7 , 13 , 91 , 271 , 1897 , 3331 , 3523 , 23317 , 24661 , 43303 , 303121 , 902701 , 6318907 , 11735113 , 82145791
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-82145790
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 82145791 can be divided by 16 positive divisors.
The sum of these divisors (counting 82145791) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111001010111000111111111
3
Ternary
12201120102211201
4
Quaternary
10321113013333
5
Quinary
132012131131
6
Senary
12052400331
8
Octal
471270777
10
Decimal
82145791
12
Duodecimal
236160a7
16
Hexadecimal
4e571ff
20
Vigesimal
15d849b
36
Base36
1cwo3j
md5
ef85788f8ff8ce7619c000b571f87fdd
sha1
ca65ed7652881e7e0a227df450885fe32b3a0612
sha256
dcd2c0f74753787d708d9aef71bfe86dcbf37207c7f339cc1bf03425ccfbf4dc
sha512
e8867e8713cffb9cfb5ed0c6d5fb5f121612d321be9fddc96d3353c34d535c5c760478181012eaf659feebf53bcc3ec66c91d87b1c76bc3d7781b1d60e19bb95
ripemd-160
a57c623314e3549836ab68ec044e56bf30cb5e1c
Diameter
164291582
Circumference
516137227.05785
Area
2.1199250390607E+16
Volume
2.3219055892579E+24
Surface area
8.4797001562427E+16
Circumference
516137227.05785
Perimeter
328583164
Area
6747930979015681
Diagonal
116171691.72407
Surface area
40487585874094086
Volume
5.5431412788465E+23
Space diagonal
142280683.63993
Perimeter
246437373
Area
2.9219398254058E+15
Altitude
71140341.819967
Surface area
2.9219398254058E+15
Volume
6.532654645579E+22
Height
38723897.241355