20149439 is an odd 8-digits composite number following 20149438
and preceding 20149440 . In scientific notation, it is written as 2.0149439 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 19990656 positive integers (up to 20149439) that are relatively prime to 20149439.
20149439 has 4 divisors, whose sum is 20308224
The reverse of 20149439 is 93494102
Previous prime number is 127
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million one hundred forty-nine thousand four hundred thirty-nine
Scientific notation
2.0149439 × 10^7
Engineering notation
2.0149439 × 10^6
Prime Factorization
127 × 158657
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20149439
Product of the distinct prime numbers
The prime factorization of 20149439 is 127 × 158657.
Since it has a total of 2 prime factors.
3 , 6 , 98 , 49 , 184 , 923 , 5608 , 5174 , 59654 , 5393 , 451891 , 613761 , 1701848 , 1803385 , 70221448 , 10721685 , 140222400 , 223165801 , 2988615634 , 4619560783
n×2
40298878
n×3
60448317
n×4
80597756
n×5
100747195
n÷2
10074719.5
n÷3
6716479.6666667
n÷3
5037359.75
n÷5
4029887.8
n2
405999892014721
n3
8.1806700581572E+21
n4
1.6483591231597E+29
n5
3.3213511602199E+36
2 √n
4488.8126492426
3 √n
272.11615119348
4 √n
66.998601845431
5 √n
28.896988945567
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
-20149438
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 20149439 can be divided by 4 positive divisors.
The sum of these divisors (counting 20149439) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110111010010111111
3
Ternary
1101220200211112
4
Quaternary
1030313102333
5
Quinary
20124240224
6
Senary
1555512235
8
Octal
114672277
10
Decimal
20149439
12
Duodecimal
68b867b
16
Hexadecimal
13374bf
20
Vigesimal
65idbj
36
Base36
bzven
md5
e9643f2cfbbae90999b2b4653dae0fbd
sha1
68dfef1c86b69ac5f1384691844e06ecdea881a9
sha256
0bf6fa56ab46351ed63b77945e66c963a2c3162c55d3b9353aad81d02e3e121f
sha512
581d27467eff76e796f0a9878b442308a8b959e04e15208adefe9abe664ec21a0551beec4c753b2543e9e7d0eea165a7db2d4ddfdd49dd26d3c2403e03c6ff8a
ripemd-160
156b7f2d1766ea531e822c1ea9cc8d8d81604981
Diameter
40298878
Circumference
126602659.07271
Area
1.2754862781117E+15
Volume
3.4267110608198E+22
Surface area
5.1019451124468E+15
Circumference
126602659.07271
Perimeter
80597756
Area
405999892014721
Diagonal
28495609.908009
Surface area
2435999352088326
Volume
8.1806700581572E+21
Space diagonal
34899852.09201
Perimeter
60448317
Area
1.7580311020924E+14
Altitude
17449926.046005
Surface area
1.7580311020924E+14
Volume
9.6410121212879E+20
Height
9498536.6360031