21038085 is an odd 8-digits composite number following 21038084
and preceding 21038086 . In scientific notation, it is written as 2.1038085 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors.
There are 11007360 positive integers (up to 21038085) that are relatively prime to 21038085.
21038085 has 24 divisors, whose sum is 37158264
The reverse of 21038085 is 58083012
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million thirty-eight thousand eighty-five
Scientific notation
2.1038085 × 10^7
Engineering notation
2.1038085 × 10^6
Prime Factorization
3 × 3 × 5 × 53 × 8821
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
7012695
Product of the distinct prime numbers
The prime factorization of 21038085 is 3 × 3 × 5 × 53 × 8821.
Since it has a total of 5 prime factors.
7 , 3 , 32 , 52 , 543 , 416 , 2767 , 1173 , 38414 , 45708 , 237076 , 181029 , 4153651 , 7044843 , 20128664 , 73616804 , 606154004 , 893176682 , 6693849966 , 8241070428
n×2
42076170
n×3
63114255
n×4
84152340
n×5
105190425
n÷2
10519042.5
n÷3
7012695
n÷3
5259521.25
n÷5
4207617
n2
442601020467225
n3
9.3114778896762E+21
n4
1.9589566331863E+29
n5
4.1212696160287E+36
2 √n
4586.729226802
3 √n
276.05910045029
4 √n
67.725395730125
5 √n
29.147495309903
1 , 3 , 5 , 9 , 15 , 45 , 53 , 159 , 265 , 477 , 795 , 2385 , 8821 , 26463 , 44105 , 79389 , 132315 , 396945 , 467513 , 1402539 , 2337565 , 4207617 , 7012695 , 21038085
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21038084
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21038085 can be divided by 24 positive divisors.
The sum of these divisors (counting 21038085) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000010000010000000101
3
Ternary
1110120211211100
4
Quaternary
1100100100011
5
Quinary
20341204320
6
Senary
2030530313
8
Octal
120202005
10
Decimal
21038085
12
Duodecimal
7066999
16
Hexadecimal
1410405
20
Vigesimal
6b9f45
36
Base36
cix39
md5
b6f0f8627973b7800f0f2ce09b9aa4f5
sha1
fbe1134ce83c923dd6647062eaa1fcb7a7b220a6
sha256
d74cd53a640532422db7e85360dc88934002f94b1837d759f06974abb5e214a2
sha512
64e6277514fd81ba6a68380c6b5317907407e2003143492bdedebc73fe8871180523097d0a14039447fe49128af0d81e4046964ce88223651bb9b1d51000010e
ripemd-160
8e42a9a2414009e1ddb29f90bf391e59bbfa292a
Diameter
42076170
Circumference
132186186.5632
Area
1.3904721143712E+15
Volume
3.9003827376361E+22
Surface area
5.5618884574847E+15
Circumference
132186186.5632
Perimeter
84152340
Area
442601020467225
Diagonal
29752345.133358
Surface area
2655606122803350
Volume
9.3114778896762E+21
Space diagonal
36439032.113953
Perimeter
63114255
Area
1.9165186373277E+14
Altitude
18219516.056976
Surface area
1.9165186373277E+14
Volume
1.0973681931098E+21
Height
9917448.377786