20215972 is an even 8-digits composite number following 20215971
and preceding 20215973 . In scientific notation, it is written as 2.0215972 × 10^7.
The sum of its digits is 28. It has a total of 5 prime factors and 24 positive divisors.
There are 8541120 positive integers (up to 20215972) that are relatively prime to 20215972.
20215972 has 24 divisors, whose sum is 41005440
The reverse of 20215972 is 27951202
Previous prime number is 71
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million two hundred fifteen thousand nine hundred seventy-two
Scientific notation
2.0215972 × 10^7
Engineering notation
2.0215972 × 10^6
Prime Factorization
2 × 2 × 7 × 71 × 10169
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10107986
Product of the distinct prime numbers
The prime factorization of 20215972 is 2 × 2 × 7 × 71 × 10169.
Since it has a total of 5 prime factors.
9 , 8 , 45 , 28 , 232 , 638 , 9322 , 6128 , 6062 , 23867 , 803499 , 444493 , 9088098 , 2137836 , 61779068 , 6968323 , 287018355 , 148872179 , 8692310461 , 211720975
n×2
40431944
n×3
60647916
n×4
80863888
n×5
101079860
n÷2
10107986
n÷3
6738657.3333333
n÷3
5053993
n÷5
4043194.4
n2
408685523904784
n3
8.2619751080644E+21
n4
1.6702385744933E+29
n5
3.3765496255276E+36
2 √n
4496.2175214284
3 √n
272.4153293038
4 √n
67.053840467407
5 √n
28.916047233269
1 , 2 , 4 , 7 , 14 , 28 , 71 , 142 , 284 , 497 , 994 , 1988 , 10169 , 20338 , 40676 , 71183 , 142366 , 284732 , 721999 , 1443998 , 2887996 , 5053993 , 10107986 , 20215972
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20215971
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20215972 can be divided by 24 positive divisors.
The sum of these divisors (counting 20215972) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001101000111100010100100
3
Ternary
1102001002002201
4
Quaternary
1031013202210
5
Quinary
20133402342
6
Senary
2001144244
8
Octal
115074244
10
Decimal
20215972
12
Duodecimal
692b084
16
Hexadecimal
13478a4
20
Vigesimal
666jic
36
Base36
c1aqs
md5
cc84441aeeae8b078d3cfaf6a8e8f19f
sha1
c17a1c3615ac71883d7664f056af137682ad37cf
sha256
20ceb78176bd7c2edc8a7094388837cf54c47072397441d2a0ba3c00ac9765f7
sha512
9560d4c91e94f09e4c6ebef3b3076f30a3a4bd8b5964a90121e435fe2d08a5242979f4914fd6bc8d5a8ba9545cc4ade195e705485fa806081984a833d8a349e9
ripemd-160
9a96073df32edb5ad7faa1c947d65320d858b7ba
Diameter
40431944
Circumference
127020698.24075
Area
1.2839234395278E+15
Volume
3.4607680404849E+22
Surface area
5.1356937581111E+15
Circumference
127020698.24075
Perimeter
80863888
Area
408685523904784
Diagonal
28589701.778955
Surface area
2452113143428704
Volume
8.2619751080644E+21
Space diagonal
35015090.62839
Perimeter
60647916
Area
1.7696602293025E+14
Altitude
17507545.314195
Surface area
1.7696602293025E+14
Volume
9.7368310415114E+20
Height
9529900.5929849