20797929 is an odd 8-digits composite number following 20797928
and preceding 20797930 . In scientific notation, it is written as 2.0797929 × 10^7.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 13846392 positive integers (up to 20797929) that are relatively prime to 20797929.
20797929 has 8 divisors, whose sum is 23140320
The reverse of 20797929 is 92979702
Previous prime number is 1987
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty million seven hundred ninety-seven thousand nine hundred twenty-nine
Scientific notation
2.0797929 × 10^7
Engineering notation
2.0797929 × 10^6
Prime Factorization
9 × 1987 × 1163
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20797929
Product of the distinct prime numbers
The prime factorization of 20797929 is 9 × 1987 × 1163.
Since it has a total of 3 prime factors.
3 , 9 , 9 , 36 , 756 , 632 , 642 , 8313 , 2775 , 79219 , 133925 , 614265 , 2686309 , 412792 , 82681498 , 43017841 , 499404253 , 644298550 , 1725554413 , 68171093
n×2
41595858
n×3
62393787
n×4
83191716
n×5
103989645
n÷2
10398964.5
n÷3
6932643
n÷3
5199482.25
n÷5
4159585.8
n2
432553850689041
n3
8.9962242753073E+21
n4
1.8710283374592E+29
n5
3.8913514519464E+36
2 √n
4560.4746463499
3 √n
275.00464565155
4 √n
67.531286425996
5 √n
29.080643891138
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
-20797928
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 20797929 can be divided by 8 positive divisors.
The sum of these divisors (counting 20797929) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111010101100111101001
3
Ternary
1110010122101200
4
Quaternary
1033111213221
5
Quinary
20311013204
6
Senary
2021434413
8
Octal
117254751
10
Decimal
20797929
12
Duodecimal
6b6ba09
16
Hexadecimal
13d59e9
20
Vigesimal
69jeg9
36
Base36
cdrs9
md5
9e0d6d0d1727f8451d5af7ea63f57319
sha1
efa3d94eac883080f4162cf6cb84b5477c9ebd35
sha256
92302824c86f8d46fc5512664dc9c9a686530daef7c6caee09ad1879f91574eb
sha512
6371014d7fd81b4a77b7a1de95433f3153d9e0750f898be38ff87d1338dc2ad20cf9b9901bc237db4a51e9eabd854ca5d8a318a38a7b910ccd5770eb4ce9feb6
ripemd-160
c22784f4f163f42995190ee4a69d98b414a943fe
Diameter
41595858
Circumference
130677241.91256
Area
1.3589079996067E+15
Volume
3.7683296124469E+22
Surface area
5.4356319984267E+15
Circumference
130677241.91256
Perimeter
83191716
Area
432553850689041
Diagonal
29412713.261073
Surface area
2595323104134246
Volume
8.9962242753073E+21
Space diagonal
36023069.72021
Perimeter
62393787
Area
1.8730131160075E+14
Altitude
18011534.860105
Surface area
1.8730131160075E+14
Volume
1.0602151983575E+21
Height
9804237.7536909