20291205 is an odd 8-digits composite number following 20291204
and preceding 20291206 . In scientific notation, it is written as 2.0291205 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 9518400 positive integers (up to 20291205) that are relatively prime to 20291205.
20291205 has 16 divisors, whose sum is 24379392
The reverse of 20291205 is 50219202
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million two hundred ninety-one thousand two hundred five
Scientific notation
2.0291205 × 10^7
Engineering notation
2.0291205 × 10^6
Prime Factorization
15 × 11 × 31 × 3967
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20291205
Product of the distinct prime numbers
The prime factorization of 20291205 is 15 × 11 × 31 × 3967.
Since it has a total of 4 prime factors.
2 , 5 , 36 , 62 , 2 , 35 , 4040 , 5370 , 52974 , 21359 , 609101 , 769486 , 8745575 , 1031793 , 61426647 , 49881563 , 790752519 , 214368971 , 7260890674 , 8933373851
n×2
40582410
n×3
60873615
n×4
81164820
n×5
101456025
n÷2
10145602.5
n÷3
6763735
n÷3
5072801.25
n÷5
4058241
n2
411733000352025
n3
8.354558715408E+21
n4
1.6952406357888E+29
n5
3.4398475265121E+36
2 √n
4504.5760066848
3 √n
272.75283886592
4 √n
67.116138198534
5 √n
28.937537269601
1 , 11 , 15 , 31 , 165 , 341 , 465 , 3967 , 5115 , 43637 , 59505 , 122977 , 654555 , 1352747 , 1844655 , 20291205
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
-20291204
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 20291205 can be divided by 16 positive divisors.
The sum of these divisors (counting 20291205) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101011001111010000101
3
Ternary
1102011220022010
4
Quaternary
1031121322011
5
Quinary
20143304310
6
Senary
2002524433
8
Octal
115317205
10
Decimal
20291205
12
Duodecimal
6966719
16
Hexadecimal
1359e85
20
Vigesimal
66g805
36
Base36
c2wsl
md5
01765bb3c2e19e604e0d8f2f05af60c0
sha1
a8fff4fda8adc9fc4bdf43e3a9b5bb5ddbddf11e
sha256
53a13ec4d8f680e96923d848612e08bb9f19be41e493ff315217c0fad2fc1721
sha512
3adcd3bc801131b8c63c460d24d2c291c15bee64725564cc32d4b16c20d058694a79879c421e0a53a7e743d8dd909aabfa6c04dce33c02593bbd6c084a5258d0
ripemd-160
78fb47fd2f7b49573e4eb599c9d4dc1765e4d98b
Diameter
40582410
Circumference
127493401.12097
Area
1.2934973691464E+15
Volume
3.4995493712414E+22
Surface area
5.1739894765856E+15
Circumference
127493401.12097
Perimeter
81164820
Area
411733000352025
Diagonal
28696097.307893
Surface area
2470398002112150
Volume
8.354558715408E+21
Space diagonal
35145398.006796
Perimeter
60873615
Area
1.7828561894062E+14
Altitude
17572699.003398
Surface area
1.7828561894062E+14
Volume
9.8459418691436E+20
Height
9565365.7692976