21272085 is an odd 8-digits composite number following 21272084
and preceding 21272086 . In scientific notation, it is written as 2.1272085 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 11345040 positive integers (up to 21272085) that are relatively prime to 21272085.
21272085 has 8 divisors, whose sum is 25211520
The reverse of 21272085 is 58027212
Previous prime number is 15
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million two hundred seventy-two thousand eighty-five
Scientific notation
2.1272085 × 10^7
Engineering notation
2.1272085 × 10^6
Prime Factorization
9 × 15 × 157571
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21272085
Product of the distinct prime numbers
The prime factorization of 21272085 is 9 × 15 × 157571.
Since it has a total of 3 prime factors.
9 , 4 , 86 , 57 , 685 , 76 , 5403 , 8927 , 9061 , 61872 , 199531 , 115550 , 6112745 , 7323161 , 79199398 , 34372320 , 400034039 , 532584504 , 632399046 , 138449138
n×2
42544170
n×3
63816255
n×4
85088340
n×5
106360425
n÷2
10636042.5
n÷3
7090695
n÷3
5318021.25
n÷5
4254417
n2
452501600247225
n3
9.625652503095E+21
n4
2.047576982263E+29
n5
4.3556231610742E+36
2 √n
4612.1670611547
3 √n
277.07883518555
4 √n
67.912937362145
5 √n
29.212048427523
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
-21272084
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 21272085 can be divided by 8 positive divisors.
The sum of these divisors (counting 21272085) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001001001011000010101
3
Ternary
1111000201211000
4
Quaternary
1101021120111
5
Quinary
20421201320
6
Senary
2035533513
8
Octal
121113025
10
Decimal
21272085
12
Duodecimal
715a299
16
Hexadecimal
1449615
20
Vigesimal
6cj045
36
Base36
cnxn9
md5
17ce80e4cb704627fa13794dca49f8c4
sha1
7733039389f2a8ec580420f99b89707773dc86fd
sha256
629e5b2082195880f90b7f30bd570b20df2b4744ff727af04835b89163455a13
sha512
331e0f73853d07a81101c0bcc1e047127ca7065aaabda195b2221fe60698de1334f493bf29c8f73944108e537283998694661134ea1ac7b61f83d2b8eee70e95
ripemd-160
d9ecc50ae33436bf46d61b909fc02a2be242b225
Diameter
42544170
Circumference
133656451.92508
Area
1.4215757030743E+15
Volume
4.0319838919642E+22
Surface area
5.6863028122972E+15
Circumference
133656451.92508
Perimeter
85088340
Area
452501600247225
Diagonal
30083271.106953
Surface area
2715009601483350
Volume
9.625652503095E+21
Space diagonal
36844332.002924
Perimeter
63816255
Area
1.959389405336E+14
Altitude
18422166.001462
Surface area
1.959389405336E+14
Volume
1.1343940263806E+21
Height
10027757.035651