20131639 is an odd 8-digits composite number following 20131638
and preceding 20131640 . In scientific notation, it is written as 2.0131639 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 18183360 positive integers (up to 20131639) that are relatively prime to 20131639.
20131639 has 8 divisors, whose sum is 22103568
The reverse of 20131639 is 93613102
Previous prime number is 157
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million one hundred thirty-one thousand six hundred thirty-nine
Scientific notation
2.0131639 × 10^7
Engineering notation
2.0131639 × 10^6
Prime Factorization
11 × 157 × 11657
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20131639
Product of the distinct prime numbers
The prime factorization of 20131639 is 11 × 157 × 11657.
Since it has a total of 3 prime factors.
6 , 8 , 53 , 29 , 985 , 49 , 4 , 7585 , 22149 , 35768 , 516910 , 258736 , 4194451 , 1641893 , 13942955 , 30308250 , 408559117 , 328938062 , 3377985012 , 3518943169
n×2
40263278
n×3
60394917
n×4
80526556
n×5
100658195
n÷2
10065819.5
n÷3
6710546.3333333
n÷3
5032909.75
n÷5
4026327.8
n2
405282888826321
n3
8.1590088107286E+21
n4
1.6425421997541E+29
n5
3.3067066607715E+36
2 √n
4486.8295042268
3 √n
272.03599851547
4 √n
66.983800311917
5 √n
28.891881624654
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
-20131638
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 20131639 can be divided by 8 positive divisors.
The sum of these divisors (counting 20131639) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110010111100110111
3
Ternary
1101212210102021
4
Quaternary
1030302330313
5
Quinary
20123203024
6
Senary
1555254011
8
Octal
114627467
10
Decimal
20131639
12
Duodecimal
68aa307
16
Hexadecimal
1332f37
20
Vigesimal
65g91j
36
Base36
bzho7
md5
f21a0c2a0eaf0b74171e2add6e002b94
sha1
53c387d89f24787b61d4d3ef94235bfd2a3102de
sha256
397618be9b7e01826715667f2e9fadbb529fbc863528686b99529e584a861498
sha512
082d2bf1425d10548063c7917c0b4ac313ef0a4385812d51d318a311099b41bff8928a7be749d0b22308383bc1b575898883b1e2dd57b66e716c82a0dff32cc3
ripemd-160
a8dc8e6fdc0cd70c47920dff6c1687427a1a2a22
Diameter
40263278
Circumference
126490818.37424
Area
1.2732337461624E+15
Volume
3.4176376187146E+22
Surface area
5.0929349846497E+15
Circumference
126490818.37424
Perimeter
80526556
Area
405282888826321
Diagonal
28470436.906599
Surface area
2431697332957926
Volume
8.1590088107286E+21
Space diagonal
34869021.587635
Perimeter
60394917
Area
1.7549263872137E+14
Altitude
17434510.793818
Surface area
1.7549263872137E+14
Volume
9.6154840963783E+20
Height
9490145.635533