20139908 is an even 8-digits composite number following 20139907
and preceding 20139909 . In scientific notation, it is written as 2.0139908 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors.
There are 10054752 positive integers (up to 20139908) that are relatively prime to 20139908.
20139908 has 12 divisors, whose sum is 35298060
The reverse of 20139908 is 80993102
Previous prime number is 733
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million one hundred thirty-nine thousand nine hundred eight
Scientific notation
2.0139908 × 10^7
Engineering notation
2.0139908 × 10^6
Prime Factorization
2 × 2 × 733 × 6869
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10069954
Product of the distinct prime numbers
The prime factorization of 20139908 is 2 × 2 × 733 × 6869.
Since it has a total of 4 prime factors.
8 , 4 , 72 , 75 , 758 , 464 , 1807 , 5982 , 13312 , 22658 , 236395 , 47763 , 7178244 , 2965510 , 51301679 , 8790128 , 24810392 , 524447156 , 8493962654 , 1215886596
n×2
40279816
n×3
60419724
n×4
80559632
n×5
100699540
n÷2
10069954
n÷3
6713302.6666667
n÷3
5034977
n÷5
4027981.6
n2
405615894248464
n3
8.1690667935018E+21
n4
1.6452425366698E+29
n5
3.3135033326217E+36
2 √n
4487.7508843518
3 √n
272.07323936067
4 √n
66.990677592869
5 √n
28.894254682573
1 , 2 , 4 , 733 , 1466 , 2932 , 6869 , 13738 , 27476 , 5034977 , 10069954 , 20139908
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20139907
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20139908 can be divided by 12 positive divisors.
The sum of these divisors (counting 20139908) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100110100111110000100
3
Ternary
1101220012202112
4
Quaternary
1030310332010
5
Quinary
20123434113
6
Senary
1555400152
8
Octal
114647604
10
Decimal
20139908
12
Duodecimal
68b3058
16
Hexadecimal
1334f84
20
Vigesimal
65h9f8
36
Base36
bzo1w
md5
41233cad1b9ecfe0c39e663711c566a7
sha1
ef71c9d72579914b5d8fa5db86d403929248e328
sha256
7c73731e5ce48d807a3a0460fab56c6cf5ec93816974a43e0dba977999652610
sha512
b6c98261498d2baf7490ed3cf5f8bf29b1a2d14ef8b28c90135d313269d53b3493c9caa796ea2b8f691847c4e19997193dbef98e330bcb8f3e4b3dde97e46b78
ripemd-160
8d02076486c539bed33936ac3900433d4b5aa98d
Diameter
40279816
Circumference
126542774.03355
Area
1.2742799135502E+15
Volume
3.4218506966866E+22
Surface area
5.0971196542009E+15
Circumference
126542774.03355
Perimeter
80559632
Area
405615894248464
Diagonal
28482131.038546
Surface area
2433695365490784
Volume
8.1690667935018E+21
Space diagonal
34883343.915763
Perimeter
60419724
Area
1.7563683429896E+14
Altitude
17441671.957881
Surface area
1.7563683429896E+14
Volume
9.6273375427516E+20
Height
9494043.6795155