20149939 is an odd 8-digits composite number following 20149938
and preceding 20149940 . In scientific notation, it is written as 2.0149939 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 20061720 positive integers (up to 20149939) that are relatively prime to 20149939.
20149939 has 4 divisors, whose sum is 20238160
The reverse of 20149939 is 93994102
Previous prime number is 229
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million one hundred forty-nine thousand nine hundred thirty-nine
Scientific notation
2.0149939 × 10^7
Engineering notation
2.0149939 × 10^6
Prime Factorization
229 × 87991
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20149939
Product of the distinct prime numbers
The prime factorization of 20149939 is 229 × 87991.
Since it has a total of 2 prime factors.
2 , 10 , 30 , 24 , 604 , 262 , 7482 , 2907 , 76205 , 15732 , 125291 , 480296 , 4608393 , 325577 , 85676302 , 76176823 , 106335990 , 246678744 , 3538085896 , 7457803057
n×2
40299878
n×3
60449817
n×4
80599756
n×5
100749695
n÷2
10074969.5
n÷3
6716646.3333333
n÷3
5037484.75
n÷5
4029987.8
n2
406020041703721
n3
8.1812790731074E+21
n4
1.6485227426509E+29
n5
3.3217632704529E+36
2 √n
4488.8683429123
3 √n
272.11840199147
4 √n
66.999017477216
5 √n
28.897132357511
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
-20149938
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 20149939 can be divided by 4 positive divisors.
The sum of these divisors (counting 20149939) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110111011010110011
3
Ternary
1101220201112001
4
Quaternary
1030313122303
5
Quinary
20124244224
6
Senary
1555514431
8
Octal
114673263
10
Decimal
20149939
12
Duodecimal
68b8a17
16
Hexadecimal
13376b3
20
Vigesimal
65iegj
36
Base36
bzvsj
md5
a64cacc6a75e461eaf8c5114991ed64b
sha1
18a053d2bf000141f7c07c711d885dd08e68d8d9
sha256
7bf5c46fbbbb22bea656982b49127f78db92ec79da1b49671999e8a4e24e3718
sha512
12338540068acbc874ad1ab3a563cb18a3ae967ce0969544bd5caf296e4e9571a0c0196b9114b6fee305a72c810286de200cb11b3dbdc8a9242b97f7fdbb67be
ripemd-160
c41ed45e9f6ed7cb49d06818bf7fbf208fc8a369
Diameter
40299878
Circumference
126605800.66536
Area
1.2755495802266E+15
Volume
3.4269661644056E+22
Surface area
5.1021983209065E+15
Circumference
126605800.66536
Perimeter
80599756
Area
406020041703721
Diagonal
28496317.014791
Surface area
2436120250222326
Volume
8.1812790731074E+21
Space diagonal
34900718.117414
Perimeter
60449817
Area
1.7581183528052E+14
Altitude
17450359.058707
Surface area
1.7581183528052E+14
Volume
9.6417298522898E+20
Height
9498772.3382635