21072568 is an even 8-digits composite number following 21072567
and preceding 21072569 . In scientific notation, it is written as 2.1072568 × 10^7.
The sum of its digits is 31. It has a total of 5 prime factors and 16 positive divisors.
There are 9578400 positive integers (up to 21072568) that are relatively prime to 21072568.
21072568 has 16 divisors, whose sum is 43103160
The reverse of 21072568 is 86527012
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million seventy-two thousand five hundred sixty-eight
Scientific notation
2.1072568 × 10^7
Engineering notation
2.1072568 × 10^6
Prime Factorization
2 × 2 × 2 × 11 × 239461
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5268142
Product of the distinct prime numbers
The prime factorization of 21072568 is 2 × 2 × 2 × 11 × 239461.
Since it has a total of 5 prime factors.
10 , 10 , 27 , 75 , 332 , 147 , 8437 , 189 , 17159 , 31175 , 725157 , 256658 , 634089 , 2513500 , 38819037 , 89616978 , 54135016 , 149901208 , 6853281737 , 453889391
n×2
42145136
n×3
63217704
n×4
84290272
n×5
105362840
n÷2
10536284
n÷3
7024189.3333333
n÷3
5268142
n÷5
4214513.6
n2
444053122114624
n3
9.3573396113727E+21
n4
1.9718317525975E+29
n5
4.1551558691169E+36
2 √n
4590.4866844377
3 √n
276.20984531319
4 √n
67.753130440133
5 √n
29.157044037926
1 , 2 , 4 , 8 , 11 , 22 , 44 , 88 , 239461 , 478922 , 957844 , 1915688 , 2634071 , 5268142 , 10536284 , 21072568
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
-21072567
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 21072568 can be divided by 16 positive divisors.
The sum of these divisors (counting 21072568) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000011000101010111000
3
Ternary
1110122121010111
4
Quaternary
1100120222320
5
Quinary
20343310233
6
Senary
2031354104
8
Octal
120305270
10
Decimal
21072568
12
Duodecimal
7082934
16
Hexadecimal
1418ab8
20
Vigesimal
6be188
36
Base36
cjnp4
md5
6e280e85f537552aa58c8f45b128db3c
sha1
99e46265d76390f242ac93fd3e49d973743cd871
sha256
99fcf783b2654806f17cf17ab58c706ad320e453e2f81e9140f34f48570ae506
sha512
8f45818daa850b13ffb1f27a73f57ef6ff301d717d3164d22620b52ce69ae69a70c4d93a6700dd2c3062b8e2cddf37cc455f6b338c427ca1b00c5b2ab1a7a3c1
ripemd-160
59fc692fc2572ffa3fccdcb7b7e96cf910298730
Diameter
42145136
Circumference
132402849.64214
Area
1.3950340262389E+15
Volume
3.9195932506978E+22
Surface area
5.5801361049557E+15
Circumference
132402849.64214
Perimeter
84290272
Area
444053122114624
Diagonal
29801111.459629
Surface area
2664318732687744
Volume
9.3573396113727E+21
Space diagonal
36498758.42195
Perimeter
63217704
Area
1.9228064219053E+14
Altitude
18249379.210975
Surface area
1.9228064219053E+14
Volume
1.1027730488445E+21
Height
9933703.8198764