21072565 is an odd 8-digits composite number following 21072564
and preceding 21072566 . In scientific notation, it is written as 2.1072565 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 16446720 positive integers (up to 21072565) that are relatively prime to 21072565.
21072565 has 8 divisors, whose sum is 25904088
The reverse of 21072565 is 56527012
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million seventy-two thousand five hundred sixty-five
Scientific notation
2.1072565 × 10^7
Engineering notation
2.1072565 × 10^6
Prime Factorization
5 × 41 × 102793
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21072565
Product of the distinct prime numbers
The prime factorization of 21072565 is 5 × 41 × 102793.
Since it has a total of 3 prime factors.
9 , 1 , 76 , 81 , 467 , 140 , 540 , 4134 , 31048 , 80761 , 307668 , 556300 , 6390624 , 3669268 , 66585648 , 91938947 , 333042239 , 213425023 , 8229825786 , 8731818365
n×2
42145130
n×3
63217695
n×4
84290260
n×5
105362825
n÷2
10536282.5
n÷3
7024188.3333333
n÷3
5268141.25
n÷5
4214513
n2
444052995679225
n3
9.3573356148952E+21
n4
1.9718306297169E+29
n5
4.1551529113701E+36
2 √n
4590.486357675
3 √n
276.20983220564
4 √n
67.753128028711
5 √n
29.157043207736
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
-21072564
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 21072565 can be divided by 8 positive divisors.
The sum of these divisors (counting 21072565) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000011000101010110101
3
Ternary
1110122121010101
4
Quaternary
1100120222311
5
Quinary
20343310230
6
Senary
2031354101
8
Octal
120305265
10
Decimal
21072565
12
Duodecimal
7082931
16
Hexadecimal
1418ab5
20
Vigesimal
6be185
36
Base36
cjnp1
md5
734027889bf0b8b6fc1624caf2dfca2b
sha1
d54aea62077dceca14a691f15bb509285221ddf9
sha256
1e50d0cb010cdb9413277176427879c3592a19e62f0bf1c9f2d43da034eef2f1
sha512
91ed02ac5456fbe958288ef0ae16cb0f23390c235e31aaabd24177a16f86d1e68c142fcb15a24e1129f4d1b19c0ce4785edf2ecb58f0af37830caae025685ca2
ripemd-160
837f93fd539c3b5af4279709175708fc59f244fa
Diameter
42145130
Circumference
132402830.79259
Area
1.3950336290304E+15
Volume
3.9195915766572E+22
Surface area
5.5801345161216E+15
Circumference
132402830.79259
Perimeter
84290260
Area
444052995679225
Diagonal
29801107.216989
Surface area
2664317974075350
Volume
9.3573356148952E+21
Space diagonal
36498753.225798
Perimeter
63217695
Area
1.922805874424E+14
Altitude
18249376.612899
Surface area
1.922805874424E+14
Volume
1.1027725778551E+21
Height
9933702.4056629