20831755 is an odd 8-digits composite number following 20831754
and preceding 20831756 . In scientific notation, it is written as 2.0831755 × 10^7.
The sum of its digits is 31. It has a total of 5 prime factors and 32 positive divisors.
There are 13776000 positive integers (up to 20831755) that are relatively prime to 20831755.
20831755 has 32 divisors, whose sum is 29611008
The reverse of 20831755 is 55713802
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million eight hundred thirty-one thousand seven hundred fifty-five
Scientific notation
2.0831755 × 10^7
Engineering notation
2.0831755 × 10^6
Prime Factorization
5 × 83 × 7 × 101 × 71
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20831755
Product of the distinct prime numbers
The prime factorization of 20831755 is 5 × 83 × 7 × 101 × 71.
Since it has a total of 5 prime factors.
7 , 9 , 33 , 46 , 816 , 720 , 2882 , 8160 , 28507 , 82250 , 314079 , 701213 , 4142927 , 5164934 , 75043320 , 50679311 , 519809188 , 411528639 , 3671113973 , 3441420276
n×2
41663510
n×3
62495265
n×4
83327020
n×5
104158775
n÷2
10415877.5
n÷3
6943918.3333333
n÷3
5207938.75
n÷5
4166351
n2
433962016380025
n3
9.0401904045347E+21
n4
1.8832303166062E+29
n5
3.9230992564112E+36
2 √n
4564.1817448476
3 √n
275.15365517661
4 √n
67.55872811745
5 √n
29.090097164445
1 , 5 , 7 , 35 , 71 , 83 , 101 , 355 , 415 , 497 , 505 , 581 , 707 , 2485 , 2905 , 3535 , 5893 , 7171 , 8383 , 29465 , 35855 , 41251 , 41915 , 50197 , 58681 , 206255 , 250985 , 293405 , 595193 , 2975965 , 4166351 , 20831755
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
-20831754
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 20831755 can be divided by 32 positive divisors.
The sum of these divisors (counting 20831755) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001111011101111000001011
3
Ternary
1110012100210111
4
Quaternary
1033131320023
5
Quinary
20313104010
6
Senary
2022255151
8
Octal
117357013
10
Decimal
20831755
12
Duodecimal
6b874b7
16
Hexadecimal
13dde0b
20
Vigesimal
6a3j7f
36
Base36
cehvv
md5
4d0ab33d06daaa3157964c4b0d39380c
sha1
71a2e8c4821dd96fbbeb4167416457b35a04a9ac
sha256
09d38669d8ff772eeb1ccf7daa6925458e2eba4bc6eac9a8702ec6f3065ead73
sha512
194498116e22d63d8fee6c31ee1f612625dd5a11a5b735c6340e7d867cdc0367a95413ab119e300992a9afa9b58dc27e22895798c4652be65bc825cb716b9b68
ripemd-160
6c4d50d59d3e3c17ae0e270776ed3c5895dccde8
Diameter
41663510
Circumference
130889776.93876
Area
1.3633318825965E+15
Volume
3.7867461015919E+22
Surface area
5.453327530386E+15
Circumference
130889776.93876
Perimeter
83327020
Area
433962016380025
Diagonal
29460550.449034
Surface area
2603772098280150
Volume
9.0401904045347E+21
Space diagonal
36081658.070827
Perimeter
62495265
Area
1.8791106523131E+14
Altitude
18040829.035413
Surface area
1.8791106523131E+14
Volume
1.0653966563773E+21
Height
9820183.4830112