20856537 is an odd 8-digits composite number following 20856536
and preceding 20856538 . In scientific notation, it is written as 2.0856537 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 12834720 positive integers (up to 20856537) that are relatively prime to 20856537.
20856537 has 12 divisors, whose sum is 32443684
The reverse of 20856537 is 73565802
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million eight hundred fifty-six thousand five hundred thirty-seven
Scientific notation
2.0856537 × 10^7
Engineering notation
2.0856537 × 10^6
Prime Factorization
3 × 3 × 13 × 178261
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6952179
Product of the distinct prime numbers
The prime factorization of 20856537 is 3 × 3 × 13 × 178261.
Since it has a total of 4 prime factors.
1 , 4 , 42 , 72 , 987 , 428 , 3490 , 2457 , 27230 , 74857 , 128499 , 524415 , 7716203 , 1195610 , 95523333 , 10141022 , 104510926 , 42377552 , 3117737579 , 993179782
n×2
41713074
n×3
62569611
n×4
83426148
n×5
104282685
n÷2
10428268.5
n÷3
6952179
n÷3
5214134.25
n÷5
4171307.4
n2
434995135632369
n3
9.0724921411365E+21
n4
1.8922076802382E+29
n5
3.9464899494573E+36
2 √n
4566.8957728418
3 √n
275.26272193078
4 √n
67.578811567249
5 √n
29.097015141225
1 , 3 , 9 , 13 , 39 , 117 , 178261 , 534783 , 1604349 , 2317393 , 6952179 , 20856537
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20856536
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20856537 can be divided by 12 positive divisors.
The sum of these divisors (counting 20856537) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001111100011111011011001
3
Ternary
1110020121210100
4
Quaternary
1033203323121
5
Quinary
20314402122
6
Senary
2023010013
8
Octal
117437331
10
Decimal
20856537
12
Duodecimal
6b99909
16
Hexadecimal
13e3ed9
20
Vigesimal
6a716h
36
Base36
cf109
md5
ae492e2cad5f136c400f90f279f94dd8
sha1
19fbe079c82f67f58aad0dd5c360a7430e85ac5c
sha256
c57f4816760a4bc7bcf59468e1e569c2afa63f050e9646ca50b7a02a3df7c6c2
sha512
28994273e4bbd33c9eb3e3e4f195ab0b8a2fa4f39341e14c884f8c164bd7af938e3008202d86929e6c4d8abbab4c168841e0e3e2667c1c9de739f4af6fc690b0
ripemd-160
ea65d1cde222e48a370653f92aa33645a7e27fb9
Diameter
41713074
Circumference
131045486.83705
Area
1.3665775224499E+15
Volume
3.8002766213794E+22
Surface area
5.4663100897998E+15
Circumference
131045486.83705
Perimeter
83426148
Area
434995135632369
Diagonal
29495597.489536
Surface area
2609970813794214
Volume
9.0724921411365E+21
Space diagonal
36124581.75394
Perimeter
62569611
Area
1.8835841899014E+14
Altitude
18062290.87697
Surface area
1.8835841899014E+14
Volume
1.0692034525432E+21
Height
9831865.8298454