20108815 is an odd 8-digits composite number following 20108814
and preceding 20108816 . In scientific notation, it is written as 2.0108815 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 16027872 positive integers (up to 20108815) that are relatively prime to 20108815.
20108815 has 8 divisors, whose sum is 24219360
The reverse of 20108815 is 51880102
Previous prime number is 277
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million one hundred eight thousand eight hundred fifteen
Scientific notation
2.0108815 × 10^7
Engineering notation
2.0108815 × 10^6
Prime Factorization
5 × 277 × 14519
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20108815
Product of the distinct prime numbers
The prime factorization of 20108815 is 5 × 277 × 14519.
Since it has a total of 3 prime factors.
9 , 7 , 56 , 85 , 381 , 652 , 8916 , 9271 , 41822 , 77776 , 255679 , 84187 , 2732115 , 4219822 , 72497231 , 67713761 , 547450758 , 320305810 , 9194961953 , 2256156531
n×2
40217630
n×3
60326445
n×4
80435260
n×5
100544075
n÷2
10054407.5
n÷3
6702938.3333333
n÷3
5027203.75
n÷5
4021763
n2
404364440704225
n3
8.1312897306997E+21
n4
1.6351060090604E+29
n5
3.2880044241584E+36
2 √n
4484.2853388249
3 √n
271.93315380836
4 √n
66.964806718342
5 √n
28.88532748808
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
-20108814
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 20108815 can be divided by 8 positive divisors.
The sum of these divisors (counting 20108815) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100101101011000001111
3
Ternary
1101211122002221
4
Quaternary
1030231120033
5
Quinary
20121440230
6
Senary
1555000211
8
Octal
114553017
10
Decimal
20108815
12
Duodecimal
6899067
16
Hexadecimal
132d60f
20
Vigesimal
65dc0f
36
Base36
bz027
md5
2e991e40c7246eb8746e802d7addde66
sha1
95f1bb9cb460b31eb254a7efa91e01ffbd24b3e5
sha256
73616943a27ebeee81969a8f686969d976561066f23c1422443f7559a0cb7152
sha512
82f2de93bd2e9e4920604a6d32ac283d183581713d0ad27e99ece3dd54da5332e125fcefa82412ea7fefd74ab70d9443948efc52a780c5ef2f125ecdd0155d25
ripemd-160
6991a30fb65a4eb69d83c0b6ab6c5680d1ed4941
Diameter
40217630
Circumference
126347410.95279
Area
1.2703483562893E+15
Volume
3.4060266776235E+22
Surface area
5.0813934251574E+15
Circumference
126347410.95279
Perimeter
80435260
Area
404364440704225
Diagonal
28438158.896252
Surface area
2426186644225350
Volume
8.1312897306997E+21
Space diagonal
34829489.260003
Perimeter
60326445
Area
1.7509493901847E+14
Altitude
17414744.630002
Surface area
1.7509493901847E+14
Volume
9.5828168472839E+20
Height
9479386.2987505