20159979 is an odd 8-digits composite number following 20159978
and preceding 20159980 . In scientific notation, it is written as 2.0159979 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 11494368 positive integers (up to 20159979) that are relatively prime to 20159979.
20159979 has 8 divisors, whose sum is 21166992
The reverse of 20159979 is 97995102
Previous prime number is 643
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty million one hundred fifty-nine thousand nine hundred seventy-nine
Scientific notation
2.0159979 × 10^7
Engineering notation
2.0159979 × 10^6
Prime Factorization
21 × 643 × 1493
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20159979
Product of the distinct prime numbers
The prime factorization of 20159979 is 21 × 643 × 1493.
Since it has a total of 3 prime factors.
4 , 3 , 60 , 68 , 77 , 531 , 1209 , 1327 , 88542 , 64681 , 559308 , 791472 , 7579288 , 1344787 , 9277646 , 71526550 , 468856456 , 401943543 , 9279833845 , 5792594050
n×2
40319958
n×3
60479937
n×4
80639916
n×5
100799895
n÷2
10079989.5
n÷3
6719993
n÷3
5039994.75
n÷5
4031995.8
n2
406424753280441
n3
8.1935144912139E+21
n4
1.6518108007907E+29
n5
3.3300471055913E+36
2 √n
4489.9865255923
3 √n
272.16359013682
4 √n
67.007361726845
5 √n
28.900011466992
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
-20159978
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 20159979 can be divided by 8 positive divisors.
The sum of these divisors (counting 20159979) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100111001110111101011
3
Ternary
1101221020021220
4
Quaternary
1030321313223
5
Quinary
20130104404
6
Senary
2000033123
8
Octal
114716753
10
Decimal
20159979
12
Duodecimal
69027a3
16
Hexadecimal
1339deb
20
Vigesimal
65jjij
36
Base36
c03jf
md5
94fab7b147da332605979c5196c848dd
sha1
dc06b0bf6847ad59dfd2d95120e136a381965752
sha256
feb4645ee4e69d5c0e42545d6119e4fdfd9b79cc8182e0adeb70c2e5714111c9
sha512
d93ad0e5c5156057836d3db0da27d3b8ceedc44ed3dbfdbc3a1127321bc9b6eecaa7ce3b6693fe4bf09119291ff60f4227b0dd0c837e3db889af28a3f454666d
ripemd-160
61edebca6bc259c2ea91a0690b0298d36cbb54b8
Diameter
40319958
Circumference
126668883.84585
Area
1.2768210191429E+15
Volume
3.4320913243572E+22
Surface area
5.1072840765715E+15
Circumference
126668883.84585
Perimeter
80639916
Area
406424753280441
Diagonal
28510515.718957
Surface area
2438548519682646
Volume
8.1935144912139E+21
Space diagonal
34918107.907522
Perimeter
60479937
Area
1.7598708053384E+14
Altitude
17459053.953761
Surface area
1.7598708053384E+14
Volume
9.6561494308126E+20
Height
9503505.2396523