21084772 is an even 8-digits composite number following 21084771
and preceding 21084773 . In scientific notation, it is written as 2.1084772 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 10369440 positive integers (up to 21084772) that are relatively prime to 21084772.
21084772 has 12 divisors, whose sum is 37503676
The reverse of 21084772 is 27748012
Previous prime number is 61
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million eighty-four thousand seven hundred seventy-two
Scientific notation
2.1084772 × 10^7
Engineering notation
2.1084772 × 10^6
Prime Factorization
2 × 2 × 61 × 86413
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10542386
Product of the distinct prime numbers
The prime factorization of 21084772 is 2 × 2 × 61 × 86413.
Since it has a total of 4 prime factors.
4 , 6 , 19 , 19 , 907 , 609 , 5379 , 479 , 89763 , 4010 , 405410 , 517790 , 2169623 , 2348150 , 73012270 , 47086062 , 609714106 , 871709290 , 6717434659 , 3305437771
n×2
42169544
n×3
63254316
n×4
84339088
n×5
105423860
n÷2
10542386
n÷3
7028257.3333333
n÷3
5271193
n÷5
4216954.4
n2
444567610291984
n3
9.3736067015913E+21
n4
1.9764036012073E+29
n5
4.1672019311434E+36
2 √n
4591.8157628546
3 √n
276.26315655692
4 √n
67.7629379739
5 √n
29.160420467064
1 , 2 , 4 , 61 , 122 , 244 , 86413 , 172826 , 345652 , 5271193 , 10542386 , 21084772
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21084771
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21084772 can be divided by 12 positive divisors.
The sum of these divisors (counting 21084772) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000011011101001100100
3
Ternary
1110200012212111
4
Quaternary
1100123221210
5
Quinary
20344203042
6
Senary
2031530404
8
Octal
120335144
10
Decimal
21084772
12
Duodecimal
7089a04
16
Hexadecimal
141ba64
20
Vigesimal
6bfbic
36
Base36
cjx44
md5
18d89d43e2a6b4e6e3ca4de61605cd64
sha1
74a8867a0bdbc6aa9ff547fa61a54cd0e1f998ff
sha256
c211d17284cae6861963966c71566b4be451c51318a514000ba8b3721a78e29a
sha512
1a8de196dad14fbed6a310ee6269bdcef19e35fbfb8f1a734b23c5b54a094d79340361acc6e79bc3b8c3ba2346d6008fdf37bcb1bf819207ea5c302338a37eee
ripemd-160
7a727a431dcbf6e791ef813f7a39171ba9b3f42f
Diameter
42169544
Circumference
132479529.63563
Area
1.3966503385173E+15
Volume
3.9264071935146E+22
Surface area
5.5866013540691E+15
Circumference
132479529.63563
Perimeter
84339088
Area
444567610291984
Diagonal
29818370.521944
Surface area
2667405661751904
Volume
9.3736067015913E+21
Space diagonal
36519896.370006
Perimeter
63254316
Area
1.925034221063E+14
Altitude
18259948.185003
Surface area
1.925034221063E+14
Volume
1.1046901438118E+21
Height
9939456.8406482