20215997 is an odd 8-digits prime number following 20215996
and preceding 20215998 . In scientific notation, it is written as 2.0215997 × 10^7.
The sum of its digits is 35. It has a total of 1 prime factors and 2 positive divisors.
There are 20215996 positive integers (up to 20215997) that are relatively prime to 20215997.
20215997 has 2 divisors, whose sum is 20215998
The reverse of 20215997 is 79951202
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million two hundred fifteen thousand nine hundred ninety-seven
Scientific notation
2.0215997 × 10^7
Engineering notation
2.0215997 × 10^6
Prime Factorization
20215997
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20215997
Product of the distinct prime numbers
The prime factorization of 20215997 is 20215997.
Since it has a total of 1 prime factors.
5 , 5 , 45 , 10 , 847 , 526 , 4602 , 4088 , 18242 , 29074 , 602424 , 825641 , 2237869 , 8673916 , 8294824 , 26356000 , 645695580 , 99125059 , 5609512795 , 3297946488
n×2
40431994
n×3
60647991
n×4
80863988
n×5
101079985
n÷2
10107998.5
n÷3
6738665.6666667
n÷3
5053999.25
n÷5
4043199.4
n2
408686534704009
n3
8.2620057595166E+21
n4
1.6702468364837E+29
n5
3.3765705035614E+36
2 √n
4496.2203015422
3 √n
272.41544159753
4 √n
67.053861197862
5 √n
28.916054385048
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20215998
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10107999
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4496.2204127467
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999010685
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20215997 can be divided by 2 positive divisors.
The sum of these divisors (counting 20215997) is 20215998, the average is 10107999.
Base
System
Value
2
Binary
1001101000111100010111101
3
Ternary
1102001002010122
4
Quaternary
1031013202331
5
Quinary
20133402442
6
Senary
2001144325
8
Octal
115074275
10
Decimal
20215997
12
Duodecimal
692b0a5
16
Hexadecimal
13478bd
20
Vigesimal
666jjh
36
Base36
c1arh
md5
b0439c7c22a05e80fef6ac0e26754ab3
sha1
3ad146c3070a59ebf9739aa70f02b835af85dc38
sha256
9ebf46af0074cbdcaf3cd4e66605808fb8ee49cfd76d46977de41292b0eb540f
sha512
b6f0e0569a4f8411938ccafb53a9bae37bcbfa129c85bfa5b817d927750eb9a2aa276698cc4ccb9278c5f723f0de989471dcdc904c4e64a20d9e63d584f1ffa8
ripemd-160
ee5f123cadf0bd36451b46c82b2c3bcabbf3d4fe
Diameter
40431994
Circumference
127020855.32039
Area
1.2839266150472E+15
Volume
3.4607808797352E+22
Surface area
5.1357064601887E+15
Circumference
127020855.32039
Perimeter
80863988
Area
408686534704009
Diagonal
28589737.134294
Surface area
2452119208224054
Volume
8.2620057595166E+21
Space diagonal
35015133.92966
Perimeter
60647991
Area
1.7696646061915E+14
Altitude
17507566.96483
Surface area
1.7696646061915E+14
Volume
9.7368671645942E+20
Height
9529912.3780979