20139989 is an odd 8-digits composite number following 20139988
and preceding 20139990 . In scientific notation, it is written as 2.0139989 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 20059500 positive integers (up to 20139989) that are relatively prime to 20139989.
20139989 has 4 divisors, whose sum is 20220480
The reverse of 20139989 is 98993102
Previous prime number is 251
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty million one hundred thirty-nine thousand nine hundred eighty-nine
Scientific notation
2.0139989 × 10^7
Engineering notation
2.0139989 × 10^6
Prime Factorization
251 × 80239
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20139989
Product of the distinct prime numbers
The prime factorization of 20139989 is 251 × 80239.
Since it has a total of 2 prime factors.
4 , 10 , 17 , 63 , 423 , 218 , 5024 , 9236 , 65419 , 3732 , 156875 , 606783 , 7026835 , 2711192 , 38136438 , 57763306 , 837130596 , 248868547 , 7505524423 , 505918221
n×2
40279978
n×3
60419967
n×4
80559956
n×5
100699945
n÷2
10069994.5
n÷3
6713329.6666667
n÷3
5034997.25
n÷5
4027997.8
n2
405619156920121
n3
8.1691653585605E+21
n4
1.6452690046059E+29
n5
3.3135699654804E+36
2 √n
4487.7599089078
3 √n
272.0736041075
4 √n
66.990744949641
5 √n
28.894277924296
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
-20139988
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 20139989 can be divided by 4 positive divisors.
The sum of these divisors (counting 20139989) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110100111111010101
3
Ternary
1101220012212112
4
Quaternary
1030310333111
5
Quinary
20123434424
6
Senary
1555400405
8
Octal
114647725
10
Decimal
20139989
12
Duodecimal
68b3105
16
Hexadecimal
1334fd5
20
Vigesimal
65h9j9
36
Base36
bzo45
md5
0a4d8474c6aa7d2f9c9c75e40f9d6ce8
sha1
c15fd72cd02e934ffbd627a967e73eb550684856
sha256
9c804dad2cc8986307b3c2fbe80836de5d8d031cdcec67bf11de401abd854137
sha512
2e93b44150cff9f6ceb77a4d839d4bbaebff1c953561725844b9f9ff53272bb7f02748076f8edb6360a0a89f07982dc26427c844cb35519753a24648ff296dab
ripemd-160
ee11fdc180dabd6cf7617f614f9b76141d6d785b
Diameter
40279978
Circumference
126543282.97156
Area
1.2742901635355E+15
Volume
3.4218919835219E+22
Surface area
5.0971606541422E+15
Circumference
126543282.97156
Perimeter
80559956
Area
405619156920121
Diagonal
28482245.589845
Surface area
2433714941520726
Volume
8.1691653585605E+21
Space diagonal
34883484.211878
Perimeter
60419967
Area
1.7563824707723E+14
Altitude
17441742.105939
Surface area
1.7563824707723E+14
Volume
9.6274537027873E+20
Height
9494081.8632817