21132585 is an odd 8-digits composite number following 21132584
and preceding 21132586 . In scientific notation, it is written as 2.1132585 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 11270688 positive integers (up to 21132585) that are relatively prime to 21132585.
21132585 has 8 divisors, whose sum is 28176840
The reverse of 21132585 is 58523112
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million one hundred thirty-two thousand five hundred eighty-five
Scientific notation
2.1132585 × 10^7
Engineering notation
2.1132585 × 10^6
Prime Factorization
9 × 5 × 469613
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21132585
Product of the distinct prime numbers
The prime factorization of 21132585 is 9 × 5 × 469613.
Since it has a total of 3 prime factors.
7 , 1 , 46 , 96 , 130 , 631 , 7106 , 5640 , 27658 , 98124 , 394980 , 171529 , 4084999 , 9893197 , 73264547 , 66075371 , 856603652 , 898854712 , 5668550495 , 1104901200
n×2
42265170
n×3
63397755
n×4
84530340
n×5
105662925
n÷2
10566292.5
n÷3
7044195
n÷3
5283146.25
n÷5
4226517
n2
446586148782225
n3
9.437519748963E+21
n4
1.9943918828414E+29
n5
4.2146655987456E+36
2 √n
4597.0191428794
3 √n
276.47182213476
4 √n
67.801321099809
5 √n
29.173633645114
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
-21132584
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 21132585 can be divided by 8 positive divisors.
The sum of these divisors (counting 21132585) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000100111010100101001
3
Ternary
1110202122110100
4
Quaternary
1100213110221
5
Quinary
20402220320
6
Senary
2032540013
8
Octal
120472451
10
Decimal
21132585
12
Duodecimal
70b1609
16
Hexadecimal
1427529
20
Vigesimal
6c1b95
36
Base36
cky09
md5
90b33a1bc648c1d3747490ed40b00197
sha1
1baaa9acfbd37d3ace729073b6d31958b7326e4f
sha256
d27ab746cdc1c9790d27908f740b12a17b72c7942c2387224b8a81581ad82409
sha512
3a22bc573fb9e41356575ac953be241e5c00838e6ed528b4a547e45c93e58dd7b1d5d5e0108f914eb4fb9bdad0daac60a02d585ecc1176d8a709302e918ec305
ripemd-160
2204a5ef01fec055656d7ac6d52b0e1367ea452c
Diameter
42265170
Circumference
132779947.57472
Area
1.4029917642092E+15
Volume
3.9531790281934E+22
Surface area
5.6119670568368E+15
Circumference
132779947.57472
Perimeter
84530340
Area
446586148782225
Diagonal
29885988.315002
Surface area
2679516892693350
Volume
9.437519748963E+21
Space diagonal
36602710.915268
Perimeter
63397755
Area
1.9337747491183E+14
Altitude
18301355.457634
Surface area
1.9337747491183E+14
Volume
1.112222368679E+21
Height
9961996.1050007