20131898 is an even 8-digits composite number following 20131897
and preceding 20131899 . In scientific notation, it is written as 2.0131898 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 10065948 positive integers (up to 20131898) that are relatively prime to 20131898.
20131898 has 4 divisors, whose sum is 30197850
The reverse of 20131898 is 89813102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million one hundred thirty-one thousand eight hundred ninety-eight
Scientific notation
2.0131898 × 10^7
Engineering notation
2.0131898 × 10^6
Prime Factorization
2 × 10065949
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20131898
Product of the distinct prime numbers
The prime factorization of 20131898 is 2 × 10065949.
Since it has a total of 2 prime factors.
1 , 9 , 42 , 28 , 206 , 286 , 7184 , 3622 , 17758 , 9363 , 946290 , 962158 , 1408228 , 9363579 , 772904 , 59558905 , 385220869 , 205220529 , 4719155429 , 2041568857
n×2
40263796
n×3
60395694
n×4
80527592
n×5
100659490
n÷2
10065949
n÷3
6710632.6666667
n÷3
5032974.5
n÷5
4026379.6
n2
405293317082404
n3
8.1593237195846E+21
n4
1.6426267287166E+29
n5
3.3069193754596E+36
2 √n
4486.8583663851
3 √n
272.03716512062
4 √n
66.984015752903
5 √n
28.891955964938
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20131897
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20131898 can be divided by 4 positive divisors.
The sum of these divisors (counting 20131898) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110011000000111010
3
Ternary
1101212210202212
4
Quaternary
1030303000322
5
Quinary
20123210043
6
Senary
1555255122
8
Octal
114630072
10
Decimal
20131898
12
Duodecimal
68aa4a2
16
Hexadecimal
133303a
20
Vigesimal
65g9ei
36
Base36
bzhve
md5
4c8d65fd614b3cd5099c109330c6055f
sha1
250ebe363f89c065abc4ebc6a0acf7b4832f6e90
sha256
408761c9223ac4f48b65538ec090d36862b8bd78f128fef9816dacd05ad42ec1
sha512
12084a8bc3f90e6a760130ab3d7070a8fa2e0baf7a5fee16bdb0a6895600e98baca561058683444eec08f583db80d11282d4d217aca6ff4cd5af66fc9440af1c
ripemd-160
af9995218af9d0d498ea990e0fbdd4aa268eb957
Diameter
40263796
Circumference
126492445.71924
Area
1.2732665074951E+15
Volume
3.4177695274277E+22
Surface area
5.0930660299805E+15
Circumference
126492445.71924
Perimeter
80527592
Area
405293317082404
Diagonal
28470803.187912
Surface area
2431759902494424
Volume
8.1593237195846E+21
Space diagonal
34869470.188794
Perimeter
60395694
Area
1.7549715428871E+14
Altitude
17434735.094397
Surface area
1.7549715428871E+14
Volume
9.6158552200242E+20
Height
9490267.7293039