20149909 is an odd 8-digits composite number following 20149908
and preceding 20149910 . In scientific notation, it is written as 2.0149909 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 17790960 positive integers (up to 20149909) that are relatively prime to 20149909.
20149909 has 8 divisors, whose sum is 22643712
The reverse of 20149909 is 90994102
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million one hundred forty-nine thousand nine hundred nine
Scientific notation
2.0149909 × 10^7
Engineering notation
2.0149909 × 10^6
Prime Factorization
13 × 23 × 67391
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20149909
Product of the distinct prime numbers
The prime factorization of 20149909 is 13 × 23 × 67391.
Since it has a total of 3 prime factors.
2 , 7 , 66 , 41 , 491 , 392 , 6961 , 4874 , 63593 , 90612 , 600857 , 767709 , 3818174 , 6480327 , 88064833 , 73305046 , 78056601 , 498497371 , 2881317672 , 8487941248
n×2
40299818
n×3
60449727
n×4
80599636
n×5
100749545
n÷2
10074954.5
n÷3
6716636.3333333
n÷3
5037477.25
n÷5
4029981.8
n2
406018832708281
n3
8.1812425313581E+21
n4
1.648512925138E+29
n5
3.3217385426854E+36
2 √n
4488.8650013116
3 √n
272.11826694464
4 √n
66.998992539527
5 √n
28.897123752875
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
-20149908
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 20149909 can be divided by 8 positive divisors.
The sum of these divisors (counting 20149909) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110111011010010101
3
Ternary
1101220201110221
4
Quaternary
1030313122111
5
Quinary
20124244114
6
Senary
1555514341
8
Octal
114673225
10
Decimal
20149909
12
Duodecimal
68b89b1
16
Hexadecimal
1337695
20
Vigesimal
65ief9
36
Base36
bzvrp
md5
582e0ccc26e713b332255e217b5f9176
sha1
8c6e9dd89b6e69d095f3ecb9e1ec92b607310aad
sha256
f110fea67ee6961113d61436ca98bc2d2f0362e4bd182f90d17a07836b0e3d87
sha512
b8f11d890b7faab20a6f46380658c5a5e2c970c1c9692741bf0cb49c8921166bde07abe1db4e31d7b708e6e27c1444de08a9139c32f0fcf81188e87e56c76f3d
ripemd-160
c2156c30b1af40160089b4422d31282873e69358
Diameter
40299818
Circumference
126605612.16981
Area
1.2755457820554E+15
Volume
3.4269508578335E+22
Surface area
5.1021831282218E+15
Circumference
126605612.16981
Perimeter
80599636
Area
406018832708281
Diagonal
28496274.588384
Surface area
2436112996249686
Volume
8.1812425313581E+21
Space diagonal
34900666.155889
Perimeter
60449727
Area
1.7581131177014E+14
Altitude
17450333.077945
Surface area
1.7581131177014E+14
Volume
9.6416867874252E+20
Height
9498758.1961279