20138138 is an even 8-digits composite number following 20138137
and preceding 20138139 . In scientific notation, it is written as 2.0138138 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 9280656 positive integers (up to 20138138) that are relatively prime to 20138138.
20138138 has 16 divisors, whose sum is 32658720
The reverse of 20138138 is 83183102
Previous prime number is 37
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million one hundred thirty-eight thousand one hundred thirty-eight
Scientific notation
2.0138138 × 10^7
Engineering notation
2.0138138 × 10^6
Prime Factorization
2 × 19 × 37 × 14323
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20138138
Product of the distinct prime numbers
The prime factorization of 20138138 is 2 × 19 × 37 × 14323.
Since it has a total of 4 prime factors.
5 , 9 , 46 , 54 , 629 , 307 , 4652 , 4788 , 11683 , 5807 , 486701 , 775557 , 412891 , 1774236 , 55405340 , 9051162 , 879093581 , 695297504 , 2866077719 , 6134603720
n×2
40276276
n×3
60414414
n×4
80552552
n×5
100690690
n÷2
10069069
n÷3
6712712.6666667
n÷3
5034534.5
n÷5
4027627.6
n2
405544602107044
n3
8.1669131623867E+21
n4
1.6446642429816E+29
n5
3.3120475488829E+36
2 √n
4487.5536765592
3 √n
272.06526872277
4 √n
66.989205671953
5 √n
28.893746789202
1 , 2 , 19 , 37 , 38 , 74 , 703 , 1406 , 14323 , 28646 , 272137 , 529951 , 544274 , 1059902 , 10069069 , 20138138
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20138137
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20138138 can be divided by 16 positive divisors.
The sum of these divisors (counting 20138138) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110100100010011010
3
Ternary
1101220010022222
4
Quaternary
1030310202122
5
Quinary
20123410023
6
Senary
1555344042
8
Octal
114644232
10
Decimal
20138138
12
Duodecimal
68b2022
16
Hexadecimal
133489a
20
Vigesimal
65h56i
36
Base36
bzmoq
md5
12ddf1e43ceaa7891d4183e6be68b9ed
sha1
08183ef3f5470799cb67f6df7fa9f31acecf40e4
sha256
529a460279bb48a830ce4eace553870208d64b28900f3d9399b5ec841232f1bc
sha512
94f241ace0712c70d8c298aa96903702218215dcaee2e208edd5b769ce068c0e939a90ed24e90bff554f387075900422537864e9272635f23be3f6d5af5f34d1
ripemd-160
d7ce2a292d2532dd4977ec5e7ac0fa8e54515cd3
Diameter
40276276
Circumference
126531652.79555
Area
1.2740559426825E+15
Volume
3.4209485857947E+22
Surface area
5.0962237707299E+15
Circumference
126531652.79555
Perimeter
80552552
Area
405544602107044
Diagonal
28479627.880541
Surface area
2433267612642264
Volume
8.1669131623867E+21
Space diagonal
34880278.185833
Perimeter
60414414
Area
1.7560596389618E+14
Altitude
17440139.092917
Surface area
1.7560596389618E+14
Volume
9.6247994641422E+20
Height
9493209.2935137