81590008 is an even 8-digits composite number following 81590007
and preceding 81590009 . In scientific notation, it is written as 8.1590008 × 10^7.
The sum of its digits is 31. It has a total of 5 prime factors and 16 positive divisors.
There are 40398528 positive integers (up to 81590008) that are relatively prime to 81590008.
81590008 has 16 divisors, whose sum is 154468080
The reverse of 81590008 is 80009518
Previous prime number is 103
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
eighty-one million five hundred ninety thousand eight
Scientific notation
8.1590008 × 10^7
Engineering notation
8.1590008 × 10^6
Prime Factorization
2 × 2 × 2 × 103 × 99017
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20397502
Product of the distinct prime numbers
The prime factorization of 81590008 is 2 × 2 × 2 × 103 × 99017.
Since it has a total of 5 prime factors.
10 , 5 , 7 , 39 , 917 , 858 , 9224 , 1567 , 72963 , 48278 , 923068 , 787553 , 1116203 , 1654427 , 97775939 , 30140589 , 301896150 , 428637434 , 5966844423 , 3226654885
n×2
163180016
n×3
244770024
n×4
326360032
n×5
407950040
n÷2
40795004
n÷3
27196669.333333
n÷3
20397502
n÷5
16318001.6
n2
6656929405440064
n3
5.4313892344529E+23
n4
4.4314709109013E+31
n5
3.615637470722E+39
2 √n
9032.718749081
3 √n
433.72287234107
4 √n
95.040616312611
5 √n
38.223231006134
1 , 2 , 4 , 8 , 103 , 206 , 412 , 824 , 99017 , 198034 , 396068 , 792136 , 10198751 , 20397502 , 40795004 , 81590008
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
-81590007
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 81590008 can be divided by 16 positive divisors.
The sum of these divisors (counting 81590008) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110111001111011011111000
3
Ternary
12200112012110011
4
Quaternary
10313033123320
5
Quinary
131341340013
6
Senary
12032431304
8
Octal
467173370
10
Decimal
81590008
12
Duodecimal
233a8534
16
Hexadecimal
4dcf6f8
20
Vigesimal
159if08
36
Base36
1ckr94
md5
218be5560b2db9919c656587fd34bf04
sha1
0b8021ba0391f21fab507e8b8c7c837de153871d
sha256
b85241bcc1a02e30424075a3208c55f4815856b7d7e5945f3f3ef2b00058be39
sha512
54fa4919f4c4f69a643b7b46dbcad88d95a371c12c912970a9c63b5538a10d5b53e7558e4ea31b966531240712fd4c27aa87c52d74305dba0d54fd4e4b6bd139
ripemd-160
9c97f31455724b5093387cfe026afb822e02237f
Diameter
163180016
Circumference
512645139.47826
Area
2.0913360515596E+16
Volume
2.2750950023659E+24
Surface area
8.3653442062386E+16
Circumference
512645139.47826
Perimeter
326360032
Area
6656929405440064
Diagonal
115385695.86773
Surface area
39941576432640384
Volume
5.4313892344529E+23
Space diagonal
141318039.24595
Perimeter
244770024
Area
2.8825349881554E+15
Altitude
70659019.622976
Surface area
2.8825349881554E+15
Volume
6.4009535982421E+22
Height
38461898.622576