20138950 is an even 8-digits composite number following 20138949
and preceding 20138951 . In scientific notation, it is written as 2.0138950 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 7435680 positive integers (up to 20138950) that are relatively prime to 20138950.
20138950 has 16 divisors, whose sum is 33834528
The reverse of 20138950 is 05983102
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million one hundred thirty-eight thousand nine hundred fifty
Scientific notation
2.0138950 × 10^7
Engineering notation
2.0138950 × 10^6
Prime Factorization
2 × 25 × 13 × 30983
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20138950
Product of the distinct prime numbers
The prime factorization of 20138950 is 2 × 25 × 13 × 30983.
Since it has a total of 4 prime factors.
5 , 7 , 51 , 58 , 305 , 239 , 579 , 3003 , 14983 , 91919 , 697151 , 270635 , 2028122 , 2600789 , 86197169 , 68719896 , 592392052 , 14923363 , 4611912254 , 7572978481
n×2
40277900
n×3
60416850
n×4
80555800
n×5
100694750
n÷2
10069475
n÷3
6712983.3333333
n÷3
5034737.5
n÷5
4027790
n2
405577307102500
n3
8.1679011088719E+21
n4
1.6449295203652E+29
n5
3.3127153364158E+36
2 √n
4487.6441481027
3 √n
272.06892536718
4 √n
66.989880938114
5 √n
28.893979793306
1 , 2 , 13 , 25 , 26 , 50 , 325 , 650 , 30983 , 61966 , 402779 , 774575 , 805558 , 1549150 , 10069475 , 20138950
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
-20138949
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 20138950 can be divided by 16 positive divisors.
The sum of these divisors (counting 20138950) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110100101111000110
3
Ternary
1101220011110001
4
Quaternary
1030310233012
5
Quinary
20123421300
6
Senary
1555351514
8
Octal
114645706
10
Decimal
20138950
12
Duodecimal
68b259a
16
Hexadecimal
1334bc6
20
Vigesimal
65h77a
36
Base36
bznba
md5
65242e83e37bf6089a4d9f5c1bfe7581
sha1
8af36e38aa40b7ecd6d2152e6874b06a793cb052
sha256
236f9e5f2eca34f80e62c91648d66a06f252c649640d127289e40654508dcf53
sha512
9b7a2eb5c26a8d71717cf9d7e3db1d27302ee2f2a27233cd85534050807b008d69b2af26fdd05b5993a0889b6a62b1b72f02e1c57600133780f26f2e465fc48d
ripemd-160
8eeaf0dd0dac503401c589408924da453d29e1b9
Diameter
40277900
Circumference
126536754.74202
Area
1.2741586884559E+15
Volume
3.4213624158506E+22
Surface area
5.0966347538238E+15
Circumference
126536754.74202
Perimeter
80555800
Area
405577307102500
Diagonal
28480776.221954
Surface area
2433463842615000
Volume
8.1679011088719E+21
Space diagonal
34881684.611089
Perimeter
60416850
Area
1.7562012557462E+14
Altitude
17440842.305545
Surface area
1.7562012557462E+14
Volume
9.6259637702407E+20
Height
9493592.0739845