20138508 is an even 8-digits composite number following 20138507
and preceding 20138509 . In scientific notation, it is written as 2.0138508 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors.
There are 6023808 positive integers (up to 20138508) that are relatively prime to 20138508.
20138508 has 24 divisors, whose sum is 39273360
The reverse of 20138508 is 80583102
Previous prime number is 481
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred thirty-eight thousand five hundred eight
Scientific notation
2.0138508 × 10^7
Engineering notation
2.0138508 × 10^6
Prime Factorization
2 × 2 × 9 × 481 × 1163
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10069254
Product of the distinct prime numbers
The prime factorization of 20138508 is 2 × 2 × 9 × 481 × 1163.
Since it has a total of 5 prime factors.
5 , 10 , 32 , 8 , 445 , 258 , 7310 , 7350 , 47177 , 53731 , 305586 , 136721 , 8824567 , 9038040 , 65403407 , 82831965 , 337288558 , 73916669 , 8084175555 , 2946061223
n×2
40277016
n×3
60415524
n×4
80554032
n×5
100692540
n÷2
10069254
n÷3
6712836
n÷3
5034627
n÷5
4027701.6
n2
405559504466064
n3
8.1673633251659E+21
n4
1.6447851166276E+29
n5
3.3123518229486E+36
2 √n
4487.5949015035
3 √n
272.06693493993
4 √n
66.989513369657
5 √n
28.893852961955
1 , 2 , 4 , 9 , 18 , 36 , 481 , 962 , 1163 , 1924 , 2326 , 4329 , 4652 , 8658 , 10467 , 17316 , 20934 , 41868 , 559403 , 1118806 , 2237612 , 5034627 , 10069254 , 20138508
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20138507
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20138508 can be divided by 24 positive divisors.
The sum of these divisors (counting 20138508) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100110100101000001100
3
Ternary
1101220010211200
4
Quaternary
1030310220030
5
Quinary
20123413013
6
Senary
1555345500
8
Octal
114645014
10
Decimal
20138508
12
Duodecimal
68b2290
16
Hexadecimal
1334a0c
20
Vigesimal
65h658
36
Base36
bzmz0
md5
739262980b1892c19aa94394673bdcad
sha1
ae93934730e7710e2ad9dc0226a99c6d6ff50087
sha256
6f51515a27b059ee476e9f33cb95e47c53ae448b414e185f0bdfe2348ec2365d
sha512
a0e219dcaf8d6c99227edf7903409a9a8c89e276cd1841dd040d11bafeabb59ce27506f263586f12e7ced1b9e8966e31543f3890f714e911e42b257868a380f2
ripemd-160
75a36f08e9e6a02129f6bf29fee58d421de4e2a4
Diameter
40277016
Circumference
126533977.57412
Area
1.2741027598241E+15
Volume
3.4211371495386E+22
Surface area
5.0964110392964E+15
Circumference
126533977.57412
Perimeter
80554032
Area
405559504466064
Diagonal
28480151.139559
Surface area
2433357026796384
Volume
8.1673633251659E+21
Space diagonal
34880919.044632
Perimeter
60415524
Area
1.7561241680692E+14
Altitude
17440459.522316
Surface area
1.7561241680692E+14
Volume
9.6253299860652E+20
Height
9493383.7131864