20215690 is an even 8-digits composite number following 20215689
and preceding 20215691 . In scientific notation, it is written as 2.0215690 × 10^7.
The sum of its digits is 25. It has a total of 5 prime factors and 32 positive divisors.
There are 7151040 positive integers (up to 20215690) that are relatively prime to 20215690.
20215690 has 32 divisors, whose sum is 40777344
The reverse of 20215690 is 09651202
Previous prime number is 37
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million two hundred fifteen thousand six hundred ninety
Scientific notation
2.0215690 × 10^7
Engineering notation
2.0215690 × 10^6
Prime Factorization
2 × 5 × 11 × 37 × 4967
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20215690
Product of the distinct prime numbers
The prime factorization of 20215690 is 2 × 5 × 11 × 37 × 4967.
Since it has a total of 5 prime factors.
8 , 3 , 15 , 47 , 941 , 834 , 8556 , 9774 , 718 , 70556 , 108596 , 50306 , 1437133 , 2601683 , 63361806 , 48797398 , 432583317 , 30709130 , 9625766595 , 1680820484
n×2
40431380
n×3
60647070
n×4
80862760
n×5
101078450
n÷2
10107845
n÷3
6738563.3333333
n÷3
5053922.5
n÷5
4043138
n2
408674122176100
n3
8.2616293649342E+21
n4
1.6701453813641E+29
n5
3.3763141284588E+36
2 √n
4496.1861616263
3 √n
272.41406262417
4 √n
67.053606626537
5 √n
28.915966560711
1 , 2 , 5 , 10 , 11 , 22 , 37 , 55 , 74 , 110 , 185 , 370 , 407 , 814 , 2035 , 4070 , 4967 , 9934 , 24835 , 49670 , 54637 , 109274 , 183779 , 273185 , 367558 , 546370 , 918895 , 1837790 , 2021569 , 4043138 , 10107845 , 20215690
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20215689
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20215690 can be divided by 32 positive divisors.
The sum of these divisors (counting 20215690) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001101000111011110001010
3
Ternary
1102001001201021
4
Quaternary
1031013132022
5
Quinary
20133400230
6
Senary
2001143054
8
Octal
115073612
10
Decimal
20215690
12
Duodecimal
692aa8a
16
Hexadecimal
134778a
20
Vigesimal
666j4a
36
Base36
c1aiy
md5
e75207f04746457763015663b76218ee
sha1
3873f6b6262d9f6356997d37c1b9b94bee77ddb7
sha256
4339c10fa1ab3e77e8809a825dd2d1adcbe4c647093139babae220351e1012bf
sha512
5357c0bc07b4b1c2d1c9b7a5e999721f258ebfbe5ec2aa6ac49ffee19a246480c21939df7b16fdf8d0664f1005961b6302281091f0f147eae750203771ba2b84
ripemd-160
fb1200164f4aeade8caf511264ab1a4e028bdbcf
Diameter
40431380
Circumference
127018926.3825
Area
1.2838876199407E+15
Volume
3.4606232159412E+22
Surface area
5.1355504797628E+15
Circumference
127018926.3825
Perimeter
80862760
Area
408674122176100
Diagonal
28589302.97073
Surface area
2452044733056600
Volume
8.2616293649342E+21
Space diagonal
35014602.190062
Perimeter
60647070
Area
1.769610858369E+14
Altitude
17507301.095031
Surface area
1.769610858369E+14
Volume
9.7364235793248E+20
Height
9529767.6569101