20149938 is an even 8-digits composite number following 20149937
and preceding 20149939 . In scientific notation, it is written as 2.0149938 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors.
There are 6499440 positive integers (up to 20149938) that are relatively prime to 20149938.
20149938 has 32 divisors, whose sum is 46225920
The reverse of 20149938 is 83994102
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million one hundred forty-nine thousand nine hundred thirty-eight
Scientific notation
2.0149938 × 10^7
Engineering notation
2.0149938 × 10^6
Prime Factorization
2 × 9 × 3 × 31 × 12037
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20149938
Product of the distinct prime numbers
The prime factorization of 20149938 is 2 × 9 × 3 × 31 × 12037.
Since it has a total of 5 prime factors.
10 , 8 , 38 , 15 , 195 , 697 , 3680 , 8819 , 18779 , 99783 , 633312 , 831402 , 9883865 , 7656755 , 12102446 , 73318755 , 436328286 , 374862043 , 9752940004 , 1857324799
n×2
40299876
n×3
60449814
n×4
80599752
n×5
100749690
n÷2
10074969
n÷3
6716646
n÷3
5037484.5
n÷5
4029987.6
n2
406020001403844
n3
8.1812778550474E+21
n4
1.6485224153998E+29
n5
3.3217624461916E+36
2 √n
4488.8682315256
3 √n
272.11839748991
4 √n
66.99901664596
5 √n
28.89713207069
1 , 2 , 3 , 6 , 9 , 18 , 27 , 31 , 54 , 62 , 93 , 186 , 279 , 558 , 837 , 1674 , 12037 , 24074 , 36111 , 72222 , 108333 , 216666 , 324999 , 373147 , 649998 , 746294 , 1119441 , 2238882 , 3358323 , 6716646 , 10074969 , 20149938
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20149937
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20149938 can be divided by 32 positive divisors.
The sum of these divisors (counting 20149938) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100110111011010110010
3
Ternary
1101220201112000
4
Quaternary
1030313122302
5
Quinary
20124244223
6
Senary
1555514430
8
Octal
114673262
10
Decimal
20149938
12
Duodecimal
68b8a16
16
Hexadecimal
13376b2
20
Vigesimal
65iegi
36
Base36
bzvsi
md5
649c67131df3156447e46e63abc04fc3
sha1
4ddb087c6e1da3e06b2f0f472aeb596a411a0fe2
sha256
9fec8d0c880b106422edc7552b0cc6845f5026abc4a08846a4edaf346f4d2ce0
sha512
1fc7d6aabadd6aa3f4f39668d834a3f840890300588728e1e9a75962358a152c7411e4440f48c38cb4a15eda559db9bad94e99959935e417ef757c65594b47bc
ripemd-160
4260094826bf537ccd5e501923fc1e223fb1912c
Diameter
40299876
Circumference
126605794.38218
Area
1.2755494536208E+15
Volume
3.4269656541858E+22
Surface area
5.1021978144833E+15
Circumference
126605794.38218
Perimeter
80599752
Area
406020001403844
Diagonal
28496315.600577
Surface area
2436120008423064
Volume
8.1812778550474E+21
Space diagonal
34900716.385363
Perimeter
60449814
Area
1.7581181783016E+14
Altitude
17450358.192681
Surface area
1.7581181783016E+14
Volume
9.6417284167922E+20
Height
9498771.866859