20139915 is an odd 8-digits composite number following 20139914
and preceding 20139916 . In scientific notation, it is written as 2.0139915 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 10741280 positive integers (up to 20139915) that are relatively prime to 20139915.
20139915 has 8 divisors, whose sum is 32223888
The reverse of 20139915 is 51993102
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million one hundred thirty-nine thousand nine hundred fifteen
Scientific notation
2.0139915 × 10^7
Engineering notation
2.0139915 × 10^6
Prime Factorization
3 × 5 × 1342661
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20139915
Product of the distinct prime numbers
The prime factorization of 20139915 is 3 × 5 × 1342661.
Since it has a total of 3 prime factors.
3 , 7 , 6 , 69 , 308 , 345 , 8847 , 5893 , 2527 , 4902 , 8433 , 352817 , 1752124 , 8917796 , 6866186 , 50706407 , 185222431 , 689378530 , 3920564208 , 4726790207
n×2
40279830
n×3
60419745
n×4
80559660
n×5
100699575
n÷2
10069957.5
n÷3
6713305
n÷3
5034978.75
n÷5
4027983
n2
405616176207225
n3
8.1690753114385E+21
n4
1.6452448240097E+29
n5
3.3135090909745E+36
2 √n
4487.7516642524
3 √n
272.07327088204
4 √n
66.990683413833
5 √n
28.89425669112
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
-20139914
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 20139915 can be divided by 8 positive divisors.
The sum of these divisors (counting 20139915) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110100111110001011
3
Ternary
1101220012202210
4
Quaternary
1030310332023
5
Quinary
20123434130
6
Senary
1555400203
8
Octal
114647613
10
Decimal
20139915
12
Duodecimal
68b3063
16
Hexadecimal
1334f8b
20
Vigesimal
65h9ff
36
Base36
bzo23
md5
719748f429becf4e3e0966b01bd31b76
sha1
b55c6753db3db0308d2e465d17a7ce4613e688ec
sha256
39822df913b87c77523a5a4ee36885fb286e6ffc427ab60866765c25f5c8686a
sha512
98c0bc060cc8cd5de16c9fd1a3256ecaddf54e20afb590cd0ba2a511c12b4feb0bb23044899ef07c9750e83a2217cf140ad0168827c4fccededa2f5ed77cf6e7
ripemd-160
7607bd4340d06bf0fa8ac47dcf7b6c3304ddd23c
Diameter
40279830
Circumference
126542818.01585
Area
1.2742807993498E+15
Volume
3.4218542646716E+22
Surface area
5.0971231973992E+15
Circumference
126542818.01585
Perimeter
80559660
Area
405616176207225
Diagonal
28482140.938041
Surface area
2433697057243350
Volume
8.1690753114385E+21
Space diagonal
34883356.040119
Perimeter
60419745
Area
1.7563695639068E+14
Altitude
17441678.020059
Surface area
1.7563695639068E+14
Volume
9.6273475812363E+20
Height
9494046.9793471