20215644 is an even 8-digits composite number following 20215643
and preceding 20215645 . In scientific notation, it is written as 2.0215644 × 10^7.
The sum of its digits is 24. It has a total of 5 prime factors and 24 positive divisors.
There are 6627840 positive integers (up to 20215644) that are relatively prime to 20215644.
20215644 has 24 divisors, whose sum is 47944848
The reverse of 20215644 is 44651202
Previous prime number is 61
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million two hundred fifteen thousand six hundred forty-four
Scientific notation
2.0215644 × 10^7
Engineering notation
2.0215644 × 10^6
Prime Factorization
2 × 2 × 3 × 61 × 27617
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10107822
Product of the distinct prime numbers
The prime factorization of 20215644 is 2 × 2 × 3 × 61 × 27617.
Since it has a total of 5 prime factors.
6 , 9 , 89 , 51 , 989 , 753 , 1087 , 1554 , 33556 , 71671 , 37591 , 608221 , 9807061 , 7710863 , 56556209 , 70184568 , 822443762 , 178561786 , 9104310048 , 9427553764
n×2
40431288
n×3
60646932
n×4
80862576
n×5
101078220
n÷2
10107822
n÷3
6738548
n÷3
5053911
n÷5
4043128.8
n2
408672262334736
n3
8.2615729680336E+21
n4
1.6701301800179E+29
n5
3.3762757152898E+36
2 √n
4496.1810461769
3 √n
272.41385600155
4 √n
67.053568482049
5 √n
28.915953401272
1 , 2 , 3 , 4 , 6 , 12 , 61 , 122 , 183 , 244 , 366 , 732 , 27617 , 55234 , 82851 , 110468 , 165702 , 331404 , 1684637 , 3369274 , 5053911 , 6738548 , 10107822 , 20215644
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
-20215643
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 20215644 can be divided by 24 positive divisors.
The sum of these divisors (counting 20215644) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001101000111011101011100
3
Ternary
1102001001122120
4
Quaternary
1031013131130
5
Quinary
20133400034
6
Senary
2001142540
8
Octal
115073534
10
Decimal
20215644
12
Duodecimal
692aa50
16
Hexadecimal
134775c
20
Vigesimal
666j24
36
Base36
c1aho
md5
373721a81af5009fbb11c22719aa5eeb
sha1
36a3feff8f58044950b570acc534a1376883e983
sha256
9c64d397470371dc330a689a241220b38da296511286585eeb642f5acf9478e6
sha512
42049b808454abb0f90f59597e8fb0406972e199e5632f63695566dd4020a4de8417e83dcb98b0c88b4d3f5ef1f09625761822f8457610948cb048694c8003bb
ripemd-160
2a5d5cc0f632be5f06ee7829220d83482872a0b4
Diameter
40431288
Circumference
127018637.35597
Area
1.2838817770767E+15
Volume
3.4605995924627E+22
Surface area
5.1355271083069E+15
Circumference
127018637.35597
Perimeter
80862576
Area
408672262334736
Diagonal
28589237.916906
Surface area
2452033574008416
Volume
8.2615729680336E+21
Space diagonal
35014522.515725
Perimeter
60646932
Area
1.7696028050197E+14
Altitude
17507261.257862
Surface area
1.7696028050197E+14
Volume
9.7363571149401E+20
Height
9529745.9723021