20281621 is an odd 8-digits prime number following 20281620
and preceding 20281622 . In scientific notation, it is written as 2.0281621 × 10^7.
The sum of its digits is 22. It has a total of 1 prime factors and 2 positive divisors.
There are 20281620 positive integers (up to 20281621) that are relatively prime to 20281621.
20281621 has 2 divisors, whose sum is 20281622
The reverse of 20281621 is 12618202
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million two hundred eighty-one thousand six hundred twenty-one
Scientific notation
2.0281621 × 10^7
Engineering notation
2.0281621 × 10^6
Prime Factorization
20281621
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20281621
Product of the distinct prime numbers
The prime factorization of 20281621 is 20281621.
Since it has a total of 1 prime factors.
9 , 5 , 12 , 10 , 503 , 9 , 299 , 3385 , 79661 , 49371 , 105085 , 492274 , 4569318 , 6501348 , 19466401 , 31437227 , 402483304 , 959686245 , 1793721545 , 9201260348
n×2
40563242
n×3
60844863
n×4
81126484
n×5
101408105
n÷2
10140810.5
n÷3
6760540.3333333
n÷3
5070405.25
n÷5
4056324.2
n2
411344150387641
n3
8.3427261587291E+21
n4
1.6920401005813E+29
n5
3.4317316036792E+36
2 √n
4503.5120739263
3 √n
272.70988963617
4 √n
67.108211672837
5 √n
28.934803180924
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20281622
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10140811
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4503.5121849508
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999013886
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20281621 can be divided by 2 positive divisors.
The sum of these divisors (counting 20281621) is 20281622, the average is 10140811.
Base
System
Value
2
Binary
1001101010111100100010101
3
Ternary
1102011102011011
4
Quaternary
1031113210111
5
Quinary
20143002441
6
Senary
2002412221
8
Octal
115274425
10
Decimal
20281621
12
Duodecimal
6961071
16
Hexadecimal
1357915
20
Vigesimal
66f411
36
Base36
c2ped
md5
033ebc11096737990c6c2b48f2395e5f
sha1
dd7fd077fa6dd7b446642d8622d26354d9b88b96
sha256
9bfc2f17b543768bdf3603cc41a583c693b037f3904234ef7be7ddaa269b29e5
sha512
040d0fca48ec7e5b89346cfbf0f1222a44d732221b0c5c0fcb3e8776b17742a389ad1280f4ce0c6c45f6c3ec9d5adb58a469a4c6155ad94ce79ab745ca28c205
ripemd-160
b1e317eb8bbc18f9ec721453bfdc3e3db0399c85
Diameter
40563242
Circumference
127433183.07298
Area
1.2922757609549E+15
Volume
3.49459296149E+22
Surface area
5.1691030438198E+15
Circumference
127433183.07298
Perimeter
81126484
Area
411344150387641
Diagonal
28682543.485111
Surface area
2468064902325846
Volume
8.3427261587291E+21
Space diagonal
35128798.031856
Perimeter
60844863
Area
1.7811724196691E+14
Altitude
17564399.015928
Surface area
1.7811724196691E+14
Volume
9.8319970673663E+20
Height
9560847.8283703