21085086 is an even 8-digits composite number following 21085085
and preceding 21085087 . In scientific notation, it is written as 2.1085086 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors.
There are 6347840 positive integers (up to 21085086) that are relatively prime to 21085086.
21085086 has 32 divisors, whose sum is 46303488
The reverse of 21085086 is 68058012
Previous prime number is 167
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million eighty-five thousand eighty-six
Scientific notation
2.1085086 × 10^7
Engineering notation
2.1085086 × 10^6
Prime Factorization
2 × 3 × 11 × 167 × 1913
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21085086
Product of the distinct prime numbers
The prime factorization of 21085086 is 2 × 3 × 11 × 167 × 1913.
Since it has a total of 5 prime factors.
7 , 5 , 31 , 98 , 904 , 596 , 1991 , 681 , 22536 , 44228 , 572661 , 901720 , 4363365 , 3015300 , 64343162 , 52243729 , 252603374 , 334746908 , 8420172457 , 8279648637
n×2
42170172
n×3
63255258
n×4
84340344
n×5
105425430
n÷2
10542543
n÷3
7028362
n÷3
5271271.5
n÷5
4217017.2
n2
444580851627396
n3
9.3740254905169E+21
n4
1.9765213363374E+29
n5
4.1675122357509E+36
2 √n
4591.8499539946
3 √n
276.26452794477
4 √n
67.763190258389
5 √n
29.160507319486
1 , 2 , 3 , 6 , 11 , 22 , 33 , 66 , 167 , 334 , 501 , 1002 , 1837 , 1913 , 3674 , 3826 , 5511 , 5739 , 11022 , 11478 , 21043 , 42086 , 63129 , 126258 , 319471 , 638942 , 958413 , 1916826 , 3514181 , 7028362 , 10542543 , 21085086
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21085085
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21085086 can be divided by 32 positive divisors.
The sum of these divisors (counting 21085086) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000011011101110011110
3
Ternary
1110200020022010
4
Quaternary
1100123232132
5
Quinary
20344210321
6
Senary
2031532050
8
Octal
120335636
10
Decimal
21085086
12
Duodecimal
708a026
16
Hexadecimal
141bb9e
20
Vigesimal
6bfce6
36
Base36
cjxcu
md5
6fc39342c31c9c84ac726afb1d7e67cc
sha1
8132b13837b325c49596607359b609245ebf42d5
sha256
13aaae3dac093cea401616683afe3bfb30f91d5f2435372f7fc4176e2529fa95
sha512
79d98413d55204658c6b0571dfb8c09e754cad0315807292c7efa3b567c4410e0660fcb637e4433fa84cb6af7d93f1bb3767628d8c331d139bad808c7976b6af
ripemd-160
3fc4e66ec0d19c5741a1b1c5e870793c018dbdd6
Diameter
42170172
Circumference
132481502.55582
Area
1.3966919373993E+15
Volume
3.9265826154095E+22
Surface area
5.5867677495973E+15
Circumference
132481502.55582
Perimeter
84340344
Area
444580851627396
Diagonal
29818814.585003
Surface area
2667485109764376
Volume
9.3740254905169E+21
Space diagonal
36520440.233959
Perimeter
63255258
Area
1.9250915577272E+14
Altitude
18260220.11698
Surface area
1.9250915577272E+14
Volume
1.10473949856E+21
Height
9939604.8616677