21032720 is an even 8-digits composite number following 21032719
and preceding 21032721 . In scientific notation, it is written as 2.1032720 × 10^7.
The sum of its digits is 17. It has a total of 6 prime factors and 20 positive divisors.
There are 8413056 positive integers (up to 21032720) that are relatively prime to 21032720.
21032720 has 20 divisors, whose sum is 48901260
The reverse of 21032720 is 02723012
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty-one million thirty-two thousand seven hundred twenty
Scientific notation
2.1032720 × 10^7
Engineering notation
2.1032720 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 5 × 262909
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2629090
Product of the distinct prime numbers
The prime factorization of 21032720 is 2 × 2 × 2 × 2 × 5 × 262909.
Since it has a total of 6 prime factors.
8 , 5 , 55 , 18 , 66 , 473 , 6118 , 5735 , 2363 , 30203 , 478895 , 350615 , 8684513 , 5235607 , 94525110 , 84104113 , 317359816 , 981726553 , 2454833141 , 86418555
n×2
42065440
n×3
63098160
n×4
84130880
n×5
105163600
n÷2
10516360
n÷3
7010906.6666667
n÷3
5258180
n÷5
4206544
n2
442375310598400
n3
9.3043560427292E+21
n4
1.9569591542703E+29
n5
4.1160173943204E+36
2 √n
4586.144350105
3 √n
276.0356321706
4 √n
67.721077591138
5 √n
29.146008556085
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 40 , 80 , 262909 , 525818 , 1051636 , 1314545 , 2103272 , 2629090 , 4206544 , 5258180 , 10516360 , 21032720
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
-21032719
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 21032720 can be divided by 20 positive divisors.
The sum of these divisors (counting 21032720) is 1, the average is 0.05.
Base
System
Value
2
Binary
1010000001110111100010000
3
Ternary
1110120120110122
4
Quaternary
1100032330100
5
Quinary
20341021340
6
Senary
2030445412
8
Octal
120167420
10
Decimal
21032720
12
Duodecimal
7063868
16
Hexadecimal
140ef10
20
Vigesimal
6b91g0
36
Base36
cisy8
md5
9fcf6c2db41b847447b524b79afc4fb7
sha1
92be0927c9c5c69dc21e7c7f0504b8bd026079a6
sha256
72b81d2caacf0062b96a1367cdbfdbc683e107e0317bcf41a31cf43e92787216
sha512
634373df1ea5ca8fcd191c4ba08fdf08ad1ed993bc1e6d0be6e7343292bcb6ea86ecc1d8bf0fa5a7e1eb835ebd06f5fc34fed8514e67efadbe13083dd75b5b4f
ripemd-160
f3737efe23a972469af765abf667f7f28ef08d83
Diameter
42065440
Circumference
132152477.27402
Area
1.3897630259054E+15
Volume
3.8973995453629E+22
Surface area
5.5590521036217E+15
Circumference
132152477.27402
Perimeter
84130880
Area
442375310598400
Diagonal
29744757.877596
Surface area
2654251863590400
Volume
9.3043560427292E+21
Space diagonal
36429739.66137
Perimeter
63098160
Area
1.9155412849262E+14
Altitude
18214869.830685
Surface area
1.9155412849262E+14
Volume
1.096528875398E+21
Height
9914919.2925319