20138975 is an odd 8-digits composite number following 20138974
and preceding 20138976 . In scientific notation, it is written as 2.0138975 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 16111160 positive integers (up to 20138975) that are relatively prime to 20138975.
20138975 has 4 divisors, whose sum is 20944560
The reverse of 20138975 is 57983102
Previous prime number is 25
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million one hundred thirty-eight thousand nine hundred seventy-five
Scientific notation
2.0138975 × 10^7
Engineering notation
2.0138975 × 10^6
Prime Factorization
25 × 805559
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20138975
Product of the distinct prime numbers
The prime factorization of 20138975 is 25 × 805559.
Since it has a total of 2 prime factors.
7 , 2 , 67 , 49 , 463 , 1000 , 1340 , 2766 , 58368 , 4722 , 232298 , 965041 , 1646351 , 5322331 , 96215634 , 86594273 , 724765719 , 174735604 , 7222102811 , 5240707247
n×2
40277950
n×3
60416925
n×4
80555900
n×5
100694875
n÷2
10069487.5
n÷3
6712991.6666667
n÷3
5034743.75
n÷5
4027795
n2
405578314050625
n3
8.1679315272077E+21
n4
1.6449376882815E+29
n5
3.3127358980858E+36
2 √n
4487.6469335276
3 √n
272.06903794704
4 √n
66.989901728004
5 √n
28.893986966959
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20138974
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20138975 can be divided by 4 positive divisors.
The sum of these divisors (counting 20138975) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110100101111011111
3
Ternary
1101220011110222
4
Quaternary
1030310233133
5
Quinary
20123421400
6
Senary
1555351555
8
Octal
114645737
10
Decimal
20138975
12
Duodecimal
68b25bb
16
Hexadecimal
1334bdf
20
Vigesimal
65h78f
36
Base36
bznbz
md5
d14ea88b8296fc1a5c27c28197ef8fc7
sha1
e6d2162fbac2ab0fac9deed55c86a45acb6ee893
sha256
6075589b74db1ac67925991d13f910d9c37178fdf25c384cab2e713c14bdad54
sha512
68ae53b7cecfa2e0dfc1c90363d185dc8d5c88a08e2a6cde6dba5f7fee88f51d6cfd27fc1bf08ee9aad84ef29053d605367eb38ddbe0a2c04eb46b88fcc1ecf9
ripemd-160
13a33bc9a464a9e0520ce0657fb8b97c90551434
Diameter
40277950
Circumference
126536911.82166
Area
1.2741618518768E+15
Volume
3.4213751574533E+22
Surface area
5.0966474075071E+15
Circumference
126536911.82166
Perimeter
80555900
Area
405578314050625
Diagonal
28480811.577293
Surface area
2433469884303750
Volume
8.1679315272077E+21
Space diagonal
34881727.912359
Perimeter
60416925
Area
1.7562056159595E+14
Altitude
17440863.95618
Surface area
1.7562056159595E+14
Volume
9.6259996185932E+20
Height
9493603.8590976