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 4 prime factors and 16 positive divisors.
There are 11494368 positive integers (up to 20159979) that are relatively prime to 20159979.
20159979 has 16 divisors, whose sum is 30788352
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
3 × 7 × 643 × 1493
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20159979
Product of the distinct prime numbers
The prime factorization of 20159979 is 3 × 7 × 643 × 1493.
Since it has a total of 4 prime factors.
10 , 6 , 47 , 69 , 336 , 864 , 7340 , 2335 , 76174 , 77544 , 92132 , 713170 , 5996224 , 9980338 , 6370846 , 30083828 , 176240141 , 660559797 , 4552163732 , 9245071389
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
1 , 3 , 7 , 21 , 643 , 1493 , 1929 , 4479 , 4501 , 10451 , 13503 , 31353 , 959999 , 2879997 , 6719993 , 20159979
16 divisors
τ
Total Divisors
16
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
0.0625
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
16
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 16 positive divisors.
The sum of these divisors (counting 20159979) is 1, the average is 0.0625.
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