20149139 is an odd 8-digits composite number following 20149138
and preceding 20149140 . In scientific notation, it is written as 2.0149139 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 19088640 positive integers (up to 20149139) that are relatively prime to 20149139.
20149139 has 4 divisors, whose sum is 21209640
The reverse of 20149139 is 93194102
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million one hundred forty-nine thousand one hundred thirty-nine
Scientific notation
2.0149139 × 10^7
Engineering notation
2.0149139 × 10^6
Prime Factorization
19 × 1060481
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20149139
Product of the distinct prime numbers
The prime factorization of 20149139 is 19 × 1060481.
Since it has a total of 2 prime factors.
5 , 1 , 60 , 27 , 94 , 810 , 8700 , 7389 , 31402 , 26176 , 931015 , 496721 , 8993037 , 7695819 , 7116857 , 59916643 , 219885107 , 887641125 , 4959185548 , 2998779786
n×2
40298278
n×3
60447417
n×4
80596556
n×5
100745695
n÷2
10074569.5
n÷3
6716379.6666667
n÷3
5037284.75
n÷5
4029827.8
n2
405987802441321
n3
8.1803046636947E+21
n4
1.6482609573113E+29
n5
3.3211039137139E+36
2 √n
4488.779232709
3 √n
272.11480069682
4 √n
66.998352462647
5 √n
28.896902897034
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
-20149138
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 20149139 can be divided by 4 positive divisors.
The sum of these divisors (counting 20149139) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110111001110010011
3
Ternary
1101220200102102
4
Quaternary
1030313032103
5
Quinary
20124233024
6
Senary
1555511015
8
Octal
114671623
10
Decimal
20149139
12
Duodecimal
68b846b
16
Hexadecimal
1337393
20
Vigesimal
65icgj
36
Base36
bzv6b
md5
a669fd3f48e550f5c2fb48ce06e499e6
sha1
d22a0d24e2959f897320a47dd8cc14d71431f656
sha256
abe9298220a936a29105c486ff2f3fcefdd81022e52d1c53723b2ab2c6d7b430
sha512
b370558e6f55b069a4c35a9483c5fe7d49b1acb3a5fbf3b0c04fb6fd18a3445d946814171881b137128dacd7c30978d47fb3200a1d2ba91265360b3b7788650a
ripemd-160
7ff5ac3ac64ea24349a7ad02b72ec104f68e62f0
Diameter
40298278
Circumference
126600774.11712
Area
1.2754482975967E+15
Volume
3.4265580047453E+22
Surface area
5.1017931903869E+15
Circumference
126600774.11712
Perimeter
80596556
Area
405987802441321
Diagonal
28495185.643941
Surface area
2435926814647926
Volume
8.1803046636947E+21
Space diagonal
34899332.476768
Perimeter
60447417
Area
1.757978752704E+14
Altitude
17449666.238384
Surface area
1.757978752704E+14
Volume
9.6405814997841E+20
Height
9498395.2146469