20139238 is an even 8-digits composite number following 20139237
and preceding 20139239 . In scientific notation, it is written as 2.0139238 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 8631096 positive integers (up to 20139238) that are relatively prime to 20139238.
20139238 has 8 divisors, whose sum is 34524432
The reverse of 20139238 is 83293102
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million one hundred thirty-nine thousand two hundred thirty-eight
Scientific notation
2.0139238 × 10^7
Engineering notation
2.0139238 × 10^6
Prime Factorization
2 × 7 × 1438517
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20139238
Product of the distinct prime numbers
The prime factorization of 20139238 is 2 × 7 × 1438517.
Since it has a total of 3 prime factors.
5 , 6 , 98 , 83 , 766 , 790 , 8390 , 1224 , 90701 , 19822 , 352097 , 41983 , 50943 , 4831571 , 9390784 , 63531319 , 497203840 , 877045929 , 2125888376 , 13198695
n×2
40278476
n×3
60417714
n×4
80556952
n×5
100696190
n÷2
10069619
n÷3
6713079.3333333
n÷3
5034809.5
n÷5
4027847.6
n2
405588907220644
n3
8.1682515326765E+21
n4
1.6450236166044E+29
n5
3.3129522130416E+36
2 √n
4487.6762360937
3 √n
272.07022228148
4 √n
66.990120436477
5 √n
28.89406243335
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
-20139237
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 20139238 can be divided by 8 positive divisors.
The sum of these divisors (counting 20139238) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110100110011100110
3
Ternary
1101220011211201
4
Quaternary
1030310303212
5
Quinary
20123423423
6
Senary
1555353114
8
Octal
114646346
10
Decimal
20139238
12
Duodecimal
68b279a
16
Hexadecimal
1334ce6
20
Vigesimal
65h81i
36
Base36
bznja
md5
59b3a137932313bd0849d6bb65f18c17
sha1
d7abf662f637b0f3ddfcd2acda3117ed55d405cc
sha256
15fae054c21e01daa9700634925a2cac69d21fd188a43a3666deee86e91e1a18
sha512
3df35c269380ffee6ae92557d066b6c08ef0190cb8e8285591829ad5fcf110d25c9400cddabfca54bd35edf13681f59729e06839637fe1f2728e546f6aa4bb4e
ripemd-160
332021a08ed7ace8eab7038ba99db33209ea39d4
Diameter
40278476
Circumference
126538564.29939
Area
1.2741951313019E+15
Volume
3.4215092010307E+22
Surface area
5.0967805252076E+15
Circumference
126538564.29939
Perimeter
80556952
Area
405588907220644
Diagonal
28481183.51546
Surface area
2433533443323864
Volume
8.1682515326765E+21
Space diagonal
34882183.441722
Perimeter
60417714
Area
1.7562514857312E+14
Altitude
17441091.720861
Surface area
1.7562514857312E+14
Volume
9.6263767486549E+20
Height
9493727.8384865