20215664 is an even 8-digits composite number following 20215663
and preceding 20215665 . In scientific notation, it is written as 2.0215664 × 10^7.
The sum of its digits is 26. It has a total of 6 prime factors and 20 positive divisors.
There are 8663808 positive integers (up to 20215664) that are relatively prime to 20215664.
20215664 has 20 divisors, whose sum is 44763504
The reverse of 20215664 is 46651202
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million two hundred fifteen thousand six hundred sixty-four
Scientific notation
2.0215664 × 10^7
Engineering notation
2.0215664 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 7 × 180497
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2526958
Product of the distinct prime numbers
The prime factorization of 20215664 is 2 × 2 × 2 × 2 × 7 × 180497.
Since it has a total of 6 prime factors.
1 , 8 , 45 , 71 , 751 , 788 , 1729 , 1317 , 36897 , 21612 , 896565 , 637112 , 1323136 , 439539 , 82751640 , 78878473 , 392004756 , 872161227 , 8456631316 , 8654283897
n×2
40431328
n×3
60646992
n×4
80862656
n×5
101078320
n÷2
10107832
n÷3
6738554.6666667
n÷3
5053916
n÷5
4043132.8
n2
408673070960896
n3
8.2615974883936E+21
n4
1.6701367892861E+29
n5
3.3762924166247E+36
2 √n
4496.183270286
3 √n
272.41394583751
4 √n
67.053585066617
5 √n
28.91595912277
1 , 2 , 4 , 7 , 8 , 14 , 16 , 28 , 56 , 112 , 180497 , 360994 , 721988 , 1263479 , 1443976 , 2526958 , 2887952 , 5053916 , 10107832 , 20215664
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20215663
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20215664 can be divided by 20 positive divisors.
The sum of these divisors (counting 20215664) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001101000111011101110000
3
Ternary
1102001001200022
4
Quaternary
1031013131300
5
Quinary
20133400124
6
Senary
2001143012
8
Octal
115073560
10
Decimal
20215664
12
Duodecimal
692aa68
16
Hexadecimal
1347770
20
Vigesimal
666j34
36
Base36
c1ai8
md5
5aed27a50ff46450774eaebd5332537c
sha1
a4a83a0564aff55a36108b6077560e2a717cb2c4
sha256
b38f6017341f68575c786024251bfb31effbd1e04684541b34ad96f7dff133b8
sha512
4c21c277ffcef0216158c8873457603bf7a6201f30225b95913ed677b1188a67647ddfd3ff45ab158522ad156779c7de982c316fcd9a22bba3eb606cbcb99302
ripemd-160
e90056dc88698aa07d0104d8e6aaa9a923e59eb9
Diameter
40431328
Circumference
127018763.01968
Area
1.2838843174507E+15
Volume
3.4606098635271E+22
Surface area
5.1355372698029E+15
Circumference
127018763.01968
Perimeter
80862656
Area
408673070960896
Diagonal
28589266.201178
Surface area
2452038425765376
Volume
8.2615974883936E+21
Space diagonal
35014557.156741
Perimeter
60646992
Area
1.7696063064737E+14
Altitude
17507278.578371
Surface area
1.7696063064737E+14
Volume
9.7363860124615E+20
Height
9529755.4003925