21093385 is an odd 8-digits composite number following 21093384
and preceding 21093386 . In scientific notation, it is written as 2.1093385 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 16588464 positive integers (up to 21093385) that are relatively prime to 21093385.
21093385 has 8 divisors, whose sum is 25741440
The reverse of 21093385 is 58339012
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million ninety-three thousand three hundred eighty-five
Scientific notation
2.1093385 × 10^7
Engineering notation
2.1093385 × 10^6
Prime Factorization
5 × 59 × 71503
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21093385
Product of the distinct prime numbers
The prime factorization of 21093385 is 5 × 59 × 71503.
Since it has a total of 3 prime factors.
2 , 7 , 1 , 9 , 76 , 936 , 574 , 2114 , 98400 , 46846 , 378706 , 836482 , 2270513 , 8675456 , 2079596 , 22394933 , 646697703 , 27249827 , 6760360627 , 4048550634
n×2
42186770
n×3
63280155
n×4
84373540
n×5
105466925
n÷2
10546692.5
n÷3
7031128.3333333
n÷3
5273346.25
n÷5
4218677
n2
444930890758225
n3
9.3850985771562E+21
n4
1.9796349755091E+29
n5
4.1757202697879E+36
2 √n
4592.7535313796
3 √n
276.3007687041
4 √n
67.769857100186
5 √n
29.162802448457
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21093384
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21093385 can be divided by 8 positive divisors.
The sum of these divisors (counting 21093385) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000011101110000001001
3
Ternary
1110200122200111
4
Quaternary
1100131300021
5
Quinary
20344442020
6
Senary
2032034321
8
Octal
120356011
10
Decimal
21093385
12
Duodecimal
70929a1
16
Hexadecimal
141dc09
20
Vigesimal
6bgd95
36
Base36
ck3rd
md5
4376c3c9c111b2a90c45f5f92b69d43a
sha1
eebe6d02fb0438740db6230b6f413538536fe4f0
sha256
97a41c5ee12243d780ff5cb4b47cea7b6ff27a5be2e3cd51cac2331daf6cdcff
sha512
451d40aa58498526411dd3275066ec6788d86c0ac8d975316a420382bda1b00ac1ffb03e87bac68c95288d744ba1c7cef8c1cbec55b02ada76eedf498658bd6f
ripemd-160
05a9e438fc3567c1fc9c194bc2f8c51f5c9ff1fa
Diameter
42186770
Circumference
132533646.71068
Area
1.3977916177612E+15
Volume
3.9312208990947E+22
Surface area
5.5911664710448E+15
Circumference
132533646.71068
Perimeter
84373540
Area
444930890758225
Diagonal
29830551.143357
Surface area
2669585344549350
Volume
9.3850985771562E+21
Space diagonal
36534814.523611
Perimeter
63280155
Area
1.9266072716253E+14
Altitude
18267407.261806
Surface area
1.9266072716253E+14
Volume
1.1060444743352E+21
Height
9943517.0477857