20138951 is an odd 8-digits composite number following 20138950
and preceding 20138952 . In scientific notation, it is written as 2.0138951 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 6 positive divisors.
There are 17261916 positive integers (up to 20138951) that are relatively prime to 20138951.
20138951 has 6 divisors, whose sum is 23427000
The reverse of 20138951 is 15983102
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million one hundred thirty-eight thousand nine hundred fifty-one
Scientific notation
2.0138951 × 10^7
Engineering notation
2.0138951 × 10^6
Prime Factorization
7 × 7 × 410999
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2876993
Product of the distinct prime numbers
The prime factorization of 20138951 is 7 × 7 × 410999.
Since it has a total of 3 prime factors.
7 , 7 , 77 , 60 , 244 , 751 , 4048 , 2187 , 28109 , 17201 , 183282 , 396351 , 3885598 , 2283298 , 95150652 , 18822978 , 750513097 , 481030624 , 5713494461 , 2553817642
n×2
40277902
n×3
60416853
n×4
80555804
n×5
100694755
n÷2
10069475.5
n÷3
6712983.6666667
n÷3
5034737.75
n÷5
4027790.2
n2
405577347380401
n3
8.1679023256039E+21
n4
1.6449298470812E+29
n5
3.3127161588806E+36
2 √n
4487.6442595197
3 √n
272.06892987038
4 √n
66.98988176971
5 √n
28.893980080253
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20138950
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20138951 can be divided by 6 positive divisors.
The sum of these divisors (counting 20138951) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1001100110100101111000111
3
Ternary
1101220011110002
4
Quaternary
1030310233013
5
Quinary
20123421301
6
Senary
1555351515
8
Octal
114645707
10
Decimal
20138951
12
Duodecimal
68b259b
16
Hexadecimal
1334bc7
20
Vigesimal
65h77b
36
Base36
bznbb
md5
9c752a52479dd8868bfe89ac5579bce0
sha1
a18d130baff9e5e47d2740e6f9a2e68a17902a9c
sha256
f0f8e77efbf6ba01416b30b942eecfd9e9a5765db30f030c676bade3d9f94efc
sha512
3c200587845ea427652f609a531ae32540ec1d48c3f0b896890648f3bd95989679a8f1a0c681e39d20c689598b3db366cf16ba45ea1ab62478924bb1f71dce60
ripemd-160
524c419b60e28fa4553b2643cae73317fe9e4562
Diameter
40277902
Circumference
126536761.02521
Area
1.2741588149927E+15
Volume
3.4213629255141E+22
Surface area
5.0966352599708E+15
Circumference
126536761.02521
Perimeter
80555804
Area
405577347380401
Diagonal
28480777.636167
Surface area
2433464084282406
Volume
8.1679023256039E+21
Space diagonal
34881686.34314
Perimeter
60416853
Area
1.7562014301547E+14
Altitude
17440843.17157
Surface area
1.7562014301547E+14
Volume
9.6259652041731E+20
Height
9493592.5453891