20139640 is an even 8-digits composite number following 20139639
and preceding 20139641 . In scientific notation, it is written as 2.0139640 × 10^7.
The sum of its digits is 25. It has a total of 6 prime factors and 32 positive divisors.
There are 8031744 positive integers (up to 20139640) that are relatively prime to 20139640.
20139640 has 32 divisors, whose sum is 45450000
The reverse of 20139640 is 04693102
Previous prime number is 499
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million one hundred thirty-nine thousand six hundred forty
Scientific notation
2.0139640 × 10^7
Engineering notation
2.0139640 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 499 × 1009
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5034910
Product of the distinct prime numbers
The prime factorization of 20139640 is 2 × 2 × 2 × 5 × 499 × 1009.
Since it has a total of 6 prime factors.
2 , 9 , 86 , 11 , 243 , 366 , 8260 , 7836 , 89316 , 20490 , 666636 , 877280 , 8754734 , 8939062 , 78491691 , 46778686 , 421786605 , 88199448 , 3635288422 , 5024937037
n×2
40279280
n×3
60418920
n×4
80558560
n×5
100698200
n÷2
10069820
n÷3
6713213.3333333
n÷3
5034910
n÷5
4027928
n2
405605099329600
n3
8.1687406826624E+21
n4
1.6451549660217E+29
n5
3.313282875989E+36
2 √n
4487.7210251975
3 √n
272.07203253703
4 √n
66.990454731981
5 √n
28.894177783498
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 499 , 998 , 1009 , 1996 , 2018 , 2495 , 3992 , 4036 , 4990 , 5045 , 8072 , 9980 , 10090 , 19960 , 20180 , 40360 , 503491 , 1006982 , 2013964 , 2517455 , 4027928 , 5034910 , 10069820 , 20139640
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20139639
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20139640 can be divided by 32 positive divisors.
The sum of these divisors (counting 20139640) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100110100111001111000
3
Ternary
1101220012101121
4
Quaternary
1030310321320
5
Quinary
20123432030
6
Senary
1555355024
8
Octal
114647170
10
Decimal
20139640
12
Duodecimal
68b2a74
16
Hexadecimal
1334e78
20
Vigesimal
65h920
36
Base36
bznug
md5
9f67d765ea01a34ed794afdcc50a5661
sha1
e4a9339f420aff404e1d6b4495dc963c70862b12
sha256
e0573f92e574821bb366358911fc9f486fd3f857b4b4040a5e22823a536ed6da
sha512
b4fb48cb115c1fd92609e00d06522ddd612aa3730f9d51c05014772ebaeb1758a3334153362ef9b310373c080bff6e14ce16a4811f7db5a97eaccbf40e69fc6c
ripemd-160
55b581a8f1c77000689bdccd6b0ecb505143e7f0
Diameter
40279280
Circumference
126541090.13989
Area
1.2742460003124E+15
Volume
3.4217140956976E+22
Surface area
5.0969840012497E+15
Circumference
126541090.13989
Perimeter
80558560
Area
405605099329600
Diagonal
28481752.029312
Surface area
2433630595977600
Volume
8.1687406826624E+21
Space diagonal
34882879.726146
Perimeter
60418920
Area
1.7563215996197E+14
Altitude
17441439.863073
Surface area
1.7563215996197E+14
Volume
9.6269532174417E+20
Height
9493917.3431039