20138251 is an odd 8-digits composite number following 20138250
and preceding 20138252 . In scientific notation, it is written as 2.0138251 × 10^7.
The sum of its digits is 22. It has a total of 5 prime factors and 32 positive divisors.
There are 15275520 positive integers (up to 20138251) that are relatively prime to 20138251.
20138251 has 32 divisors, whose sum is 25878528
The reverse of 20138251 is 15283102
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million one hundred thirty-eight thousand two hundred fifty-one
Scientific notation
2.0138251 × 10^7
Engineering notation
2.0138251 × 10^6
Prime Factorization
7 × 31 × 53 × 17 × 103
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20138251
Product of the distinct prime numbers
The prime factorization of 20138251 is 7 × 31 × 53 × 17 × 103.
Since it has a total of 5 prime factors.
9 , 2 , 66 , 83 , 34 , 152 , 1628 , 7456 , 72012 , 972 , 670527 , 190685 , 1449862 , 7018769 , 85993360 , 81087302 , 704082159 , 767023244 , 5631845779 , 1793629632
n×2
40276502
n×3
60414753
n×4
80553004
n×5
100691255
n÷2
10069125.5
n÷3
6712750.3333333
n÷3
5034562.75
n÷5
4027650.2
n2
405549153339001
n3
8.1670506427783E+21
n4
1.6447011577398E+29
n5
3.3121404734555E+36
2 √n
4487.5662669202
3 √n
272.06577759666
4 √n
66.989299644945
5 √n
28.8937792151
1 , 7 , 17 , 31 , 53 , 103 , 119 , 217 , 371 , 527 , 721 , 901 , 1643 , 1751 , 3193 , 3689 , 5459 , 6307 , 11501 , 12257 , 22351 , 27931 , 38213 , 54281 , 92803 , 169229 , 195517 , 379967 , 649621 , 1184603 , 2876893 , 20138251
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
-20138250
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 20138251 can be divided by 32 positive divisors.
The sum of these divisors (counting 20138251) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100110100100100001011
3
Ternary
1101220010111011
4
Quaternary
1030310210023
5
Quinary
20123411001
6
Senary
1555344351
8
Octal
114644413
10
Decimal
20138251
12
Duodecimal
68b20b7
16
Hexadecimal
133490b
20
Vigesimal
65h5cb
36
Base36
bzmrv
md5
43c57ef88b12229512ad80844c75a390
sha1
6cb89d020d876763a82bcd93d87ebd12f1c16e7e
sha256
b494ad4610c24c394b752aa0392d0147ccc132333b5af2374c24c8547f1a9d4b
sha512
9cc2f7a7f1c838c31f464cfbe31f089938708336d1dab1f4d19a063f4c7847b98bc99975e6a7a100e9f04edaef92d12d82ab8facd750d4b8ffe03b8acd93e1d7
ripemd-160
a0a6fba49864ce983817ee1210cc25d50e70f98a
Diameter
40276502
Circumference
126532362.79549
Area
1.2740702407994E+15
Volume
3.4210061734464E+22
Surface area
5.0962809631975E+15
Circumference
126532362.79549
Perimeter
80553004
Area
405549153339001
Diagonal
28479787.686674
Surface area
2433294920034006
Volume
8.1670506427783E+21
Space diagonal
34880473.907575
Perimeter
60414753
Area
1.7560793463742E+14
Altitude
17440236.953787
Surface area
1.7560793463742E+14
Volume
9.6249614863375E+20
Height
9493262.5622245