20215995 is an odd 8-digits composite number following 20215994
and preceding 20215996 . In scientific notation, it is written as 2.0215995 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 10781856 positive integers (up to 20215995) that are relatively prime to 20215995.
20215995 has 8 divisors, whose sum is 32345616
The reverse of 20215995 is 59951202
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million two hundred fifteen thousand nine hundred ninety-five
Scientific notation
2.0215995 × 10^7
Engineering notation
2.0215995 × 10^6
Prime Factorization
3 × 5 × 1347733
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20215995
Product of the distinct prime numbers
The prime factorization of 20215995 is 3 × 5 × 1347733.
Since it has a total of 3 prime factors.
9 , 3 , 79 , 45 , 817 , 748 , 9195 , 1938 , 76370 , 49170 , 11258 , 939606 , 4681094 , 2914717 , 56231395 , 26250194 , 676831840 , 439777714 , 8121512854 , 1667342669
n×2
40431990
n×3
60647985
n×4
80863980
n×5
101079975
n÷2
10107997.5
n÷3
6738665
n÷3
5053998.75
n÷5
4043199
n2
408686453840025
n3
8.2620033073977E+21
n4
1.6702461755233E+29
n5
3.3765688333149E+36
2 √n
4496.2200791331
3 √n
272.41543261403
4 √n
67.053859539426
5 √n
28.916053812906
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
-20215994
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 20215995 can be divided by 8 positive divisors.
The sum of these divisors (counting 20215995) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101000111100010111011
3
Ternary
1102001002010120
4
Quaternary
1031013202323
5
Quinary
20133402440
6
Senary
2001144323
8
Octal
115074273
10
Decimal
20215995
12
Duodecimal
692b0a3
16
Hexadecimal
13478bb
20
Vigesimal
666jjf
36
Base36
c1arf
md5
bfc94f1eb38721d575032877500963d3
sha1
3436c59a4b948fb2718dc5dd57a81cb4d049bff4
sha256
a4b0e47ba3efb9fbae663e52a6e9ccf56a940820a5a78b1266deb69e4a9168a9
sha512
d5e77c7b4a5f7a61236bde0eeabf9d8f5680392f349ea111b7e0a85112083cfdf221b4280d57216c3206b215e2b3ec267618666ac07f518f882ab7e74ab2836c
ripemd-160
e0c9a1f9377c9d406b10a930a6950c67f9eece51
Diameter
40431990
Circumference
127020842.75402
Area
1.2839263610055E+15
Volume
3.460779852594E+22
Surface area
5.1357054440219E+15
Circumference
127020842.75402
Perimeter
80863980
Area
408686453840025
Diagonal
28589734.305867
Surface area
2452118723040150
Volume
8.2620033073977E+21
Space diagonal
35015130.465558
Perimeter
60647985
Area
1.7696642560402E+14
Altitude
17507565.232779
Surface area
1.7696642560402E+14
Volume
9.7368642747443E+20
Height
9529911.4352889