20137931 is an odd 8-digits composite number following 20137930
and preceding 20137932 . In scientific notation, it is written as 2.0137931 × 10^7.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 18212320 positive integers (up to 20137931) that are relatively prime to 20137931.
20137931 has 8 divisors, whose sum is 22082544
The reverse of 20137931 is 13973102
Previous prime number is 197
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million one hundred thirty-seven thousand nine hundred thirty-one
Scientific notation
2.0137931 × 10^7
Engineering notation
2.0137931 × 10^6
Prime Factorization
11 × 197 × 9293
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20137931
Product of the distinct prime numbers
The prime factorization of 20137931 is 11 × 197 × 9293.
Since it has a total of 3 prime factors.
10 , 6 , 66 , 98 , 830 , 469 , 99 , 9818 , 74331 , 95363 , 947596 , 611891 , 20482 , 6396930 , 76606207 , 10855021 , 569866695 , 363854702 , 3548295160 , 4149876878
n×2
40275862
n×3
60413793
n×4
80551724
n×5
100689655
n÷2
10068965.5
n÷3
6712643.6666667
n÷3
5034482.75
n÷5
4027586.2
n2
405536264960761
n3
8.1666613217775E+21
n4
1.6445966219832E+29
n5
3.3118773296332E+36
2 √n
4487.530612709
3 √n
272.06433653292
4 √n
66.989033525712
5 √n
28.893687389171
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
-20137930
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 20137931 can be divided by 8 positive divisors.
The sum of these divisors (counting 20137931) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110100011111001011
3
Ternary
1101220010001022
4
Quaternary
1030310133023
5
Quinary
20123403211
6
Senary
1555343055
8
Octal
114643713
10
Decimal
20137931
12
Duodecimal
68b1a8b
16
Hexadecimal
13347cb
20
Vigesimal
65h4gb
36
Base36
bzmiz
md5
1c929d2446c3dff612065e4e3a8ea1c4
sha1
0800cff9aec9a18398baabc6655189b1d2ee38bd
sha256
b5f9efce54cbe9e6e67d2cd04068e99e4b2acfefd4240eae158a1a59aea50a61
sha512
6b8151f72eeb88c1f9e012be64448d4971a758d5a088d85b54ba76a9bc74e9631ffe85b63073d37513bb15e2ab673287e3dbf5e42f190188a07e55216ccd5400
ripemd-160
a994e2ad0fed14c768d370267863383cffa4dd14
Diameter
40275862
Circumference
126530352.1762
Area
1.274029750765E+15
Volume
3.420843095047E+22
Surface area
5.0961190030599E+15
Circumference
126530352.1762
Perimeter
80551724
Area
405536264960761
Diagonal
28479335.138334
Surface area
2433217589764566
Volume
8.1666613217775E+21
Space diagonal
34879919.651316
Perimeter
60413793
Area
1.7560235380594E+14
Altitude
17439959.825658
Surface area
1.7560235380594E+14
Volume
9.624502667138E+20
Height
9493111.7127779