20187139 is an odd 8-digits composite number following 20187138
and preceding 20187140 . In scientific notation, it is written as 2.0187139 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 16392456 positive integers (up to 20187139) that are relatively prime to 20187139.
20187139 has 8 divisors, whose sum is 24285440
The reverse of 20187139 is 93178102
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred eighty-seven thousand one hundred thirty-nine
Scientific notation
2.0187139 × 10^7
Engineering notation
2.0187139 × 10^6
Prime Factorization
7 × 19 × 151783
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20187139
Product of the distinct prime numbers
The prime factorization of 20187139 is 7 × 19 × 151783.
Since it has a total of 3 prime factors.
8 , 4 , 56 , 17 , 297 , 511 , 4968 , 5093 , 23952 , 43466 , 798224 , 438275 , 1376483 , 841689 , 24229742 , 6546803 , 332268556 , 838943128 , 6291510021 , 9875121685
n×2
40374278
n×3
60561417
n×4
80748556
n×5
100935695
n÷2
10093569.5
n÷3
6729046.3333333
n÷3
5046784.75
n÷5
4037427.8
n2
407520581005321
n3
8.2266746141152E+21
n4
1.6607302394291E+29
n5
3.3525392184859E+36
2 √n
4493.0100155686
3 √n
272.28575703075
4 √n
67.029918809205
5 √n
28.907794229718
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20187138
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20187139 can be divided by 8 positive divisors.
The sum of these divisors (counting 20187139) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101000000100000000011
3
Ternary
1101222121112211
4
Quaternary
1031000200003
5
Quinary
20131442024
6
Senary
2000402551
8
Octal
115004003
10
Decimal
20187139
12
Duodecimal
6916457
16
Hexadecimal
1340803
20
Vigesimal
6637gj
36
Base36
c0ohv
md5
e14ac8a2bf95d881d11e0c25ad30c94c
sha1
ddcefcc690a281798065ec2022996c34902a5ebb
sha256
3c9ba6ad03a2f76080ac21d453b2a1a26a12678fb0aaa489b410b021bdd80d5b
sha512
eb5265731f6316afc673ee72812edb29f489954847c44428555e2a64dcf313333afd2cc1ef494c5ccbec95f1c2baa2976bd8e10c226aa12ef27297d7e20ea2c5
ripemd-160
32b7719cd0e6458a0f9bf6851cbdc14c4b509773
Diameter
40374278
Circumference
126839535.15879
Area
1.280263663473E+15
Volume
3.4459814041571E+22
Surface area
5.1210546538918E+15
Circumference
126839535.15879
Perimeter
80748556
Area
407520581005321
Diagonal
28548925.759311
Surface area
2445123486031926
Volume
8.2266746141152E+21
Space diagonal
34965150.407455
Perimeter
60561417
Area
1.764615878578E+14
Altitude
17482575.203728
Surface area
1.764615878578E+14
Volume
9.6952290104268E+20
Height
9516308.5864369