20831938 is an even 8-digits composite number following 20831937
and preceding 20831939 . In scientific notation, it is written as 2.0831938 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 10079940 positive integers (up to 20831938) that are relatively prime to 20831938.
20831938 has 8 divisors, whose sum is 32256000
The reverse of 20831938 is 83913802
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million eight hundred thirty-one thousand nine hundred thirty-eight
Scientific notation
2.0831938 × 10^7
Engineering notation
2.0831938 × 10^6
Prime Factorization
2 × 31 × 335999
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20831938
Product of the distinct prime numbers
The prime factorization of 20831938 is 2 × 31 × 335999.
Since it has a total of 3 prime factors.
8 , 6 , 64 , 39 , 79 , 642 , 6537 , 3918 , 57907 , 16433 , 676237 , 767944 , 2712044 , 1020943 , 97946459 , 13838778 , 951262305 , 644453590 , 1302867075 , 825714143
n×2
41663876
n×3
62495814
n×4
83327752
n×5
104159690
n÷2
10415969
n÷3
6943979.3333333
n÷3
5207984.5
n÷5
4166387.6
n2
433969640835844
n3
9.0404286517746E+21
n4
1.8832964916719E+29
n5
3.9232715750127E+36
2 √n
4564.2017922086
3 √n
275.1544608852
4 √n
67.558876487169
5 √n
29.09014827362
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
-20831937
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 20831938 can be divided by 8 positive divisors.
The sum of these divisors (counting 20831938) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111011101111011000010
3
Ternary
1110012101001021
4
Quaternary
1033131323002
5
Quinary
20313110223
6
Senary
2022300054
8
Octal
117357302
10
Decimal
20831938
12
Duodecimal
6b8762a
16
Hexadecimal
13ddec2
20
Vigesimal
6a3jgi
36
Base36
cei0y
md5
f8b343471f03fade381cf34ac157f06e
sha1
23c3f04d8b9f4918eacb6ca8b17df6e237bed8eb
sha256
0ea1f5854ed4de36084d6a43a07cee168cda60e992b3dedd4c1e5a05499f0e68
sha512
d69ac8d02401670e2609e260f7c78265e594964250e0dd5629849726923052fbe2ea31d0aea4359942ddb0d0bc74a8c904c3103d13c1aa7e524fe0c8a56f3d4d
ripemd-160
7d8b33c53e84342c9e703f32871e2bb5cfe0cf7b
Diameter
41663876
Circumference
130890926.76168
Area
1.3633558355309E+15
Volume
3.7868458983624E+22
Surface area
5.4534233421236E+15
Circumference
130890926.76168
Perimeter
83327752
Area
433969640835844
Diagonal
29460809.250115
Surface area
2603817845015064
Volume
9.0404286517746E+21
Space diagonal
36081975.036125
Perimeter
62495814
Area
1.8791436671752E+14
Altitude
18040987.518062
Surface area
1.8791436671752E+14
Volume
1.0654247340838E+21
Height
9820269.7500385