20856738 is an even 8-digits composite number following 20856737
and preceding 20856739 . In scientific notation, it is written as 2.0856738 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors.
There are 5667840 positive integers (up to 20856738) that are relatively prime to 20856738.
20856738 has 32 divisors, whose sum is 34417152
The reverse of 20856738 is 83765802
Previous prime number is 83
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million eight hundred fifty-six thousand seven hundred thirty-eight
Scientific notation
2.0856738 × 10^7
Engineering notation
2.0856738 × 10^6
Prime Factorization
2 × 21 × 31 × 83 × 193
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20856738
Product of the distinct prime numbers
The prime factorization of 20856738 is 2 × 21 × 31 × 83 × 193.
Since it has a total of 5 prime factors.
5 , 10 , 22 , 63 , 797 , 581 , 1005 , 734 , 9172 , 98051 , 633388 , 362615 , 846850 , 6056613 , 79131919 , 24243963 , 103782341 , 256815124 , 94470101 , 8828217883
n×2
41713476
n×3
62570214
n×4
83426952
n×5
104283690
n÷2
10428369
n÷3
6952246
n÷3
5214184.5
n÷5
4171347.6
n2
435003520000644
n3
9.0727544457312E+21
n4
1.8922806241295E+29
n5
3.9466801199946E+36
2 √n
4566.917778984
3 √n
275.26360618798
4 √n
67.578974385411
5 √n
29.097071224145
1 , 2 , 21 , 31 , 42 , 62 , 83 , 166 , 193 , 386 , 651 , 1302 , 1743 , 2573 , 3486 , 4053 , 5146 , 5983 , 8106 , 11966 , 16019 , 32038 , 54033 , 108066 , 125643 , 251286 , 336399 , 496589 , 672798 , 993178 , 10428369 , 20856738
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20856737
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20856738 can be divided by 32 positive divisors.
The sum of these divisors (counting 20856738) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001111100011111110100010
3
Ternary
1110020122001210
4
Quaternary
1033203332202
5
Quinary
20314403423
6
Senary
2023010550
8
Octal
117437642
10
Decimal
20856738
12
Duodecimal
6b99a56
16
Hexadecimal
13e3fa2
20
Vigesimal
6a71gi
36
Base36
cf15u
md5
294817b0a8ce879b612c8d5cae46c2d0
sha1
cfb316aa13be521e9f81788b5886d84e468672b2
sha256
f2b1b54456f15e56d7013a8d1095b7dbedc8d8c9f91f41dd2825c1f96226c4c5
sha512
cd2831b8915622d7c47289d0b9e4f0830708b40c39f74f371e0bfb7e904248d28c95a367009294bee27b6c852c52f352ea40a8aa86dcbbd547bc22a711700f22
ripemd-160
79b72cc77c6ce88b5ea233a6ec75eea48d37948c
Diameter
41713476
Circumference
131046749.75729
Area
1.3666038627197E+15
Volume
3.8003864952711E+22
Surface area
5.4664154508789E+15
Circumference
131046749.75729
Perimeter
83426952
Area
435003520000644
Diagonal
29495881.746462
Surface area
2610021120003864
Volume
9.0727544457312E+21
Space diagonal
36124929.896152
Perimeter
62570214
Area
1.883620495281E+14
Altitude
18062464.948076
Surface area
1.883620495281E+14
Volume
1.0692343654362E+21
Height
9831960.5821541