20139638 is an even 8-digits composite number following 20139637
and preceding 20139639 . In scientific notation, it is written as 2.0139638 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 9904680 positive integers (up to 20139638) that are relatively prime to 20139638.
20139638 has 8 divisors, whose sum is 30704880
The reverse of 20139638 is 83693102
Previous prime number is 61
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million one hundred thirty-nine thousand six hundred thirty-eight
Scientific notation
2.0139638 × 10^7
Engineering notation
2.0139638 × 10^6
Prime Factorization
2 × 61 × 165079
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20139638
Product of the distinct prime numbers
The prime factorization of 20139638 is 2 × 61 × 165079.
Since it has a total of 3 prime factors.
4 , 7 , 47 , 100 , 207 , 375 , 138 , 9357 , 18428 , 98396 , 126242 , 808020 , 881658 , 856415 , 53599212 , 45150691 , 430913935 , 737831233 , 8631222 , 8411832345
n×2
40279276
n×3
60418914
n×4
80558552
n×5
100698190
n÷2
10069819
n÷3
6713212.6666667
n÷3
5034909.5
n÷5
4027927.6
n2
405605018771044
n3
8.168738249032E+21
n4
1.6451543125226E+29
n5
3.3132812308344E+36
2 √n
4487.7208023673
3 √n
272.07202353084
4 √n
66.990453068831
5 √n
28.894177209621
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
-20139637
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 20139638 can be divided by 8 positive divisors.
The sum of these divisors (counting 20139638) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110100111001110110
3
Ternary
1101220012101112
4
Quaternary
1030310321312
5
Quinary
20123432023
6
Senary
1555355022
8
Octal
114647166
10
Decimal
20139638
12
Duodecimal
68b2a72
16
Hexadecimal
1334e76
20
Vigesimal
65h91i
36
Base36
bznue
md5
72b4f8e9c1b1493e8d0302510db82b0d
sha1
522ae840031ac20b240ca4bd8fb755004c782bb3
sha256
6efcbff60c6d59d09d7d03e73e3eaee808a158bbe18375509a236bcc63e889b4
sha512
e9f49a8e6bcec16f658aefd20f61c1997549bb06f7ff7014a1befc122622ca397036244c65f952b5d9258a03c72fbb9f61d01e9e6e385260682d184c1fb34e4d
ripemd-160
32d47d30baccae3a32279c6c680829d8fb1fc835
Diameter
40279276
Circumference
126541077.57352
Area
1.2742457472303E+15
Volume
3.4217130763009E+22
Surface area
5.096982988921E+15
Circumference
126541077.57352
Perimeter
80558552
Area
405605018771044
Diagonal
28481749.200885
Surface area
2433630112626264
Volume
8.168738249032E+21
Space diagonal
34882876.262045
Perimeter
60418914
Area
1.7563212507909E+14
Altitude
17441438.131022
Surface area
1.7563212507909E+14
Volume
9.6269503493808E+20
Height
9493916.4002949