21131944 is an even 8-digits composite number following 21131943
and preceding 21131945 . In scientific notation, it is written as 2.1131944 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 8 positive divisors.
There are 10565968 positive integers (up to 21131944) that are relatively prime to 21131944.
21131944 has 8 divisors, whose sum is 39622410
The reverse of 21131944 is 44913112
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million one hundred thirty-one thousand nine hundred forty-four
Scientific notation
2.1131944 × 10^7
Engineering notation
2.1131944 × 10^6
Prime Factorization
2 × 2 × 2 × 2641493
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
5282986
Product of the distinct prime numbers
The prime factorization of 21131944 is 2 × 2 × 2 × 2641493.
Since it has a total of 4 prime factors.
2 , 8 , 34 , 80 , 914 , 867 , 9462 , 408 , 34117 , 52097 , 544662 , 834165 , 6138703 , 8564858 , 66031276 , 44114597 , 26296179 , 647558485 , 4948284002 , 735994639
n×2
42263888
n×3
63395832
n×4
84527776
n×5
105659720
n÷2
10565972
n÷3
7043981.3333333
n÷3
5282986
n÷5
4226388.8
n2
446559057219136
n3
9.4366609898476E+21
n4
1.9941499158444E+29
n5
4.2140264349229E+36
2 √n
4596.9494232589
3 √n
276.46902676401
4 √n
67.800806951384
5 √n
29.173456662259
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21131943
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21131944 can be divided by 8 positive divisors.
The sum of these divisors (counting 21131944) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000100111001010101000
3
Ternary
1110202121120121
4
Quaternary
1100213022220
5
Quinary
20402210234
6
Senary
2032533024
8
Octal
120471250
10
Decimal
21131944
12
Duodecimal
70b1174
16
Hexadecimal
14272a8
20
Vigesimal
6c19h4
36
Base36
ckxig
md5
e74b0bd5fa6dce7247d1440d0a00afdb
sha1
3f63cc7a71f1c6a8429500b98583a0a6e203dd1c
sha256
32546aed41801fb2e85eb57f31a7f6f30a701b9ffbca4683b34d84a736a60285
sha512
0b7ab24d6fec12f6748f4dea57ff05fa75945fc35ad98f89ceb2bab07cf5ff02e062fd1e623c1ffe72f4c174c0aa002753077ed83355c48e82737f3766f36e39
ripemd-160
46ebaab0f276ed3850d32e24c97081d21c1435e0
Diameter
42263888
Circumference
132775920.05294
Area
1.4029066535536E+15
Volume
3.9528193120163E+22
Surface area
5.6116266142145E+15
Circumference
132775920.05294
Perimeter
84527776
Area
446559057219136
Diagonal
29885081.804109
Surface area
2679354343314816
Volume
9.4366609898476E+21
Space diagonal
36601600.6707
Perimeter
63395832
Area
1.933657439209E+14
Altitude
18300800.33535
Surface area
1.933657439209E+14
Volume
1.1121211629466E+21
Height
9961693.9347029