20718625 is an odd 8-digits composite number following 20718624
and preceding 20718626 . In scientific notation, it is written as 2.0718625 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 8 positive divisors.
There are 16574800 positive integers (up to 20718625) that are relatively prime to 20718625.
20718625 has 8 divisors, whose sum is 25857000
The reverse of 20718625 is 52681702
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million seven hundred eighteen thousand six hundred twenty-five
Scientific notation
2.0718625 × 10^7
Engineering notation
2.0718625 × 10^6
Prime Factorization
5 × 5 × 5 × 165749
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
828745
Product of the distinct prime numbers
The prime factorization of 20718625 is 5 × 5 × 5 × 165749.
Since it has a total of 4 prime factors.
1 , 4 , 4 , 96 , 388 , 661 , 3181 , 4689 , 97211 , 23872 , 283184 , 296062 , 2446786 , 7064294 , 4449184 , 96003701 , 360062748 , 105165099 , 3348749730 , 197564900
n×2
41437250
n×3
62155875
n×4
82874500
n×5
103593125
n÷2
10359312.5
n÷3
6906208.3333333
n÷3
5179656.25
n÷5
4143725
n2
429261421890625
n3
8.8937064271187E+21
n4
1.8426536832356E+29
n5
3.8177250667827E+36
2 √n
4551.7716331117
3 √n
274.65466293594
4 √n
67.46681875642
5 √n
29.058432670472
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
-20718624
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 20718625 can be divided by 8 positive divisors.
The sum of these divisors (counting 20718625) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111000010010000100001
3
Ternary
1102222121121111
4
Quaternary
1033002100201
5
Quinary
20300444000
6
Senary
2020023321
8
Octal
117022041
10
Decimal
20718625
12
Duodecimal
6b31b41
16
Hexadecimal
13c2421
20
Vigesimal
699gb5
36
Base36
cc2ld
md5
59fbf6a01f3f8867ffb56e1af776effb
sha1
d48425adca03dd6573d59a0030b443ea50527afc
sha256
7cfde28864b544bd33bd2635c024ccba56b7d4ba63c75b53563b54f56ec5581c
sha512
a8afcdfaa86b68709dd295f766c23589d99bc376226492fcfbd1ab936bd22ee550247dd61d8fc6fac65a4ab0d5cbe7b8266f066bb68cccbf398db23bd31fde9c
ripemd-160
14aa2344ab0e9c139097d321da314b3278826fcf
Diameter
41437250
Circumference
130178960.18496
Area
1.3485645294811E+15
Volume
3.725387036616E+22
Surface area
5.3942581179244E+15
Circumference
130178960.18496
Perimeter
82874500
Area
429261421890625
Diagonal
29300560.468722
Surface area
2575568531343750
Volume
8.8937064271187E+21
Space diagonal
35885711.162967
Perimeter
62155875
Area
1.8587564811096E+14
Altitude
17942855.581483
Surface area
1.8587564811096E+14
Volume
1.048133354083E+21
Height
9766853.4895741