21087344 is an even 8-digits composite number following 21087343
and preceding 21087345 . In scientific notation, it is written as 2.1087344 × 10^7.
The sum of its digits is 29. It has a total of 6 prime factors and 20 positive divisors.
There are 9923328 positive integers (up to 21087344) that are relatively prime to 21087344.
21087344 has 20 divisors, whose sum is 43260624
The reverse of 21087344 is 44378012
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million eighty-seven thousand three hundred forty-four
Scientific notation
2.1087344 × 10^7
Engineering notation
2.1087344 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 17 × 77527
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2635918
Product of the distinct prime numbers
The prime factorization of 21087344 is 2 × 2 × 2 × 2 × 17 × 77527.
Since it has a total of 6 prime factors.
7 , 9 , 33 , 41 , 12 , 541 , 668 , 339 , 84654 , 38796 , 474774 , 113745 , 2980715 , 5257342 , 23203641 , 996341 , 283006555 , 946896495 , 5775135877 , 2866307749
n×2
42174688
n×3
63262032
n×4
84349376
n×5
105436720
n÷2
10543672
n÷3
7029114.6666667
n÷3
5271836
n÷5
4217468.8
n2
444676076974336
n3
9.3770374037283E+21
n4
1.9773681343329E+29
n5
4.1697442063315E+36
2 √n
4592.0958178157
3 √n
276.2743893074
4 √n
67.765004374055
5 √n
29.161131851965
1 , 2 , 4 , 8 , 16 , 17 , 34 , 68 , 136 , 272 , 77527 , 155054 , 310108 , 620216 , 1240432 , 1317959 , 2635918 , 5271836 , 10543672 , 21087344
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21087343
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21087344 can be divided by 20 positive divisors.
The sum of these divisors (counting 21087344) is 1, the average is 0.05.
Base
System
Value
2
Binary
1010000011100010001110000
3
Ternary
1110200100101202
4
Quaternary
1100130101300
5
Quinary
20344243334
6
Senary
2031550332
8
Octal
120342160
10
Decimal
21087344
12
Duodecimal
708b3a8
16
Hexadecimal
141c470
20
Vigesimal
6bfi74
36
Base36
cjz3k
md5
fe7a326ecc9b5cc8ffeaf4964f68b244
sha1
9e6436cc14da1aaabf32c9f1b309ab354da2e0ca
sha256
a2a04c88d169c971875b97729add457c23800b7dff29e74e07a82873c379ab8c
sha512
a596bcaf144a10fc256f572f075906db983570450cd4e819c42441ac44be56d6d97fdf9ca8eaf18550130692f24e6b71faad71fb279e319fc54b35be3bcb8884
ripemd-160
ab036dfa5749c40556e56d695534bf788dc64ae5
Diameter
42174688
Circumference
132495689.98824
Area
1.3969910966497E+15
Volume
3.9278442426653E+22
Surface area
5.5879643865988E+15
Circumference
132495689.98824
Perimeter
84349376
Area
444676076974336
Diagonal
29822007.879227
Surface area
2668056461846016
Volume
9.3770374037283E+21
Space diagonal
36524351.204683
Perimeter
63262032
Area
1.9255038955749E+14
Altitude
18262175.602341
Surface area
1.9255038955749E+14
Volume
1.105094455936E+21
Height
9940669.2930756