20139995 is an odd 8-digits composite number following 20139994
and preceding 20139996 . In scientific notation, it is written as 2.0139995 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 16026880 positive integers (up to 20139995) that are relatively prime to 20139995.
20139995 has 8 divisors, whose sum is 24295680
The reverse of 20139995 is 59993102
Previous prime number is 191
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million one hundred thirty-nine thousand nine hundred ninety-five
Scientific notation
2.0139995 × 10^7
Engineering notation
2.0139995 × 10^6
Prime Factorization
5 × 191 × 21089
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20139995
Product of the distinct prime numbers
The prime factorization of 20139995 is 5 × 191 × 21089.
Since it has a total of 3 prime factors.
7 , 9 , 46 , 24 , 424 , 705 , 171 , 5691 , 36934 , 1628 , 570868 , 389209 , 3702911 , 5581673 , 99391230 , 38631641 , 92017217 , 147037417 , 7020048668 , 5203125960
n×2
40279990
n×3
60419985
n×4
80559980
n×5
100699975
n÷2
10069997.5
n÷3
6713331.6666667
n÷3
5034998.75
n÷5
4027999
n2
405619398600025
n3
8.1691726597075E+21
n4
1.6452709652065E+29
n5
3.3135749012903E+36
2 √n
4487.7605773927
3 √n
272.07363112575
4 √n
66.990749939023
5 √n
28.894279645902
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
-20139994
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 20139995 can be divided by 8 positive divisors.
The sum of these divisors (counting 20139995) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110100111111011011
3
Ternary
1101220012212202
4
Quaternary
1030310333123
5
Quinary
20123434440
6
Senary
1555400415
8
Octal
114647733
10
Decimal
20139995
12
Duodecimal
68b310b
16
Hexadecimal
1334fdb
20
Vigesimal
65h9jf
36
Base36
bzo4b
md5
a9265389ee7966d36ce50c542083c166
sha1
f8695e845cf26b3c25f9ed1fa9fcf0f56a482748
sha256
97332c1cb6069af3ff9e72d097e0f76bba97af82afc20ebca1c7ebe140f05a53
sha512
3a208a041088831bdbdd24fcbf0b154ec4608bbedf7909f3ac92b3f690d962a49dbfdf2548735d46cc29f2fc9d4e9e813d023cd80b61ace6db28ba77a626f2d9
ripemd-160
54417093d7bfa148eb4b3f76bf8d33c81ecbf8f4
Diameter
40279990
Circumference
126543320.67067
Area
1.2742909227953E+15
Volume
3.4218950418192E+22
Surface area
5.0971636911814E+15
Circumference
126543320.67067
Perimeter
80559980
Area
405619398600025
Diagonal
28482254.075126
Surface area
2433716391600150
Volume
8.1691726597075E+21
Space diagonal
34883494.604183
Perimeter
60419985
Area
1.7563835172769E+14
Altitude
17441747.302092
Surface area
1.7563835172769E+14
Volume
9.6274623072715E+20
Height
9494084.6917088