20021659 is an odd 8-digits composite number following 20021658
and preceding 20021660 . In scientific notation, it is written as 2.0021659 × 10^7.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 17161416 positive integers (up to 20021659) that are relatively prime to 20021659.
20021659 has 4 divisors, whose sum is 22881904
The reverse of 20021659 is 95612002
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million twenty-one thousand six hundred fifty-nine
Scientific notation
2.0021659 × 10^7
Engineering notation
2.0021659 × 10^6
Prime Factorization
7 × 2860237
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20021659
Product of the distinct prime numbers
The prime factorization of 20021659 is 7 × 2860237.
Since it has a total of 2 prime factors.
2 , 8 , 39 , 75 , 842 , 655 , 4944 , 6713 , 11038 , 18986 , 914924 , 927690 , 8309429 , 6928622 , 39937866 , 73866132 , 407389326 , 743280633 , 238747194 , 57784564
n×2
40043318
n×3
60064977
n×4
80086636
n×5
100108295
n÷2
10010829.5
n÷3
6673886.3333333
n÷3
5005414.75
n÷5
4004331.8
n2
400866829112281
n3
8.0260189568974E+21
n4
1.6069421468253E+29
n5
3.2173647696465E+36
2 √n
4474.5568495662
3 √n
271.53971226139
4 √n
66.892128457437
5 √n
28.860244900201
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20021658
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20021659 can be divided by 4 positive divisors.
The sum of these divisors (counting 20021659) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100011000000110011011
3
Ternary
1101200012112221
4
Quaternary
1030120012123
5
Quinary
20111143114
6
Senary
1553044511
8
Octal
114300633
10
Decimal
20021659
12
Duodecimal
6856737
16
Hexadecimal
131819b
20
Vigesimal
652e2j
36
Base36
bx4t7
md5
ae15ea6c34d64c3292255a3c11d4a2f5
sha1
dfd77fd261201acc0e8e8f48a80b899725848b96
sha256
9dba46e62608c5efd66fa2f7061608de195669eb5f522247af2a7e1965d66698
sha512
951bc711c783976854a035ee85a1e819541e44f4d810ab2f3e35a4758892bad0d347b610d33a95b22fd5bfb89c65566a219adba1fcfe71910abd35554b49354f
ripemd-160
c09209dafaa780c5ae2713e02372795335ceddbe
Diameter
40043318
Circumference
125799793.65416
Area
1.259360285407E+15
Volume
3.3619309590082E+22
Surface area
5.0374411416279E+15
Circumference
125799793.65416
Perimeter
80086636
Area
400866829112281
Diagonal
28314901.699009
Surface area
2405200974673686
Volume
8.0260189568974E+21
Space diagonal
34678530.639819
Perimeter
60064977
Area
1.7358042877288E+14
Altitude
17339265.319909
Surface area
1.7358042877288E+14
Volume
9.4587540505898E+20
Height
9438300.5663364