21031328 is an even 8-digits composite number following 21031327
and preceding 21031329 . In scientific notation, it is written as 2.1031328 × 10^7.
The sum of its digits is 20. It has a total of 7 prime factors and 24 positive divisors.
There are 9961920 positive integers (up to 21031328) that are relatively prime to 21031328.
21031328 has 24 divisors, whose sum is 43585920
The reverse of 21031328 is 82313012
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty-one million thirty-one thousand three hundred twenty-eight
Scientific notation
2.1031328 × 10^7
Engineering notation
2.1031328 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 19 × 34591
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
1314458
Product of the distinct prime numbers
The prime factorization of 21031328 is 2 × 2 × 2 × 2 × 2 × 19 × 34591.
Since it has a total of 7 prime factors.
3 , 2 , 31 , 75 , 843 , 707 , 2567 , 3116 , 76907 , 46262 , 172469 , 72040 , 7360054 , 7516066 , 20013258 , 42403661 , 191594882 , 42190957 , 9386975815 , 4560443273
n×2
42062656
n×3
63093984
n×4
84125312
n×5
105156640
n÷2
10515664
n÷3
7010442.6666667
n÷3
5257832
n÷5
4206265.6
n2
442316757443584
n3
9.3025088056925E+21
n4
1.9564411391541E+29
n5
4.1146555310243E+36
2 √n
4585.9925861257
3 √n
276.02954245139
4 √n
67.719957074157
5 √n
29.145622754173
1 , 2 , 4 , 8 , 16 , 19 , 32 , 38 , 76 , 152 , 304 , 608 , 34591 , 69182 , 138364 , 276728 , 553456 , 657229 , 1106912 , 1314458 , 2628916 , 5257832 , 10515664 , 21031328
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
-21031327
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 21031328 can be divided by 24 positive divisors.
The sum of these divisors (counting 21031328) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000001110100110100000
3
Ternary
1110120111120002
4
Quaternary
1100032212200
5
Quinary
20341000303
6
Senary
2030435132
8
Octal
120164640
10
Decimal
21031328
12
Duodecimal
7062aa8
16
Hexadecimal
140e9a0
20
Vigesimal
6b8i68
36
Base36
cirvk
md5
8037adeb8f9cb0ea8c241218176fcf78
sha1
c6922dc224ec1292a613fe56003c994563c5186e
sha256
2b84a30ff75e3effad5dd1d68171149954fe737ef1c7d1efbe994eb4eb7f2f74
sha512
bdf15644569e250ce8480c3028f553531824aa9e9c6bfc60997f65c8bf00d26386cc9a449334ef83501ed0aca99bd7daf12c28d1de15bea9237f88bc0047c144
ripemd-160
0190e092556cd0a9fdee496b87fbba66f9c3ec12
Diameter
42062656
Circumference
132143731.08007
Area
1.3895790757444E+15
Volume
3.8966257765224E+22
Surface area
5.5583163029777E+15
Circumference
132143731.08007
Perimeter
84125312
Area
442316757443584
Diagonal
29742789.292317
Surface area
2653900544661504
Volume
9.3025088056925E+21
Space diagonal
36427328.646646
Perimeter
63093984
Area
1.9152877423285E+14
Altitude
18213664.323323
Surface area
1.9152877423285E+14
Volume
1.0963111764255E+21
Height
9914263.097439