21073209 is an odd 8-digits composite number following 21073208
and preceding 21073210 . In scientific notation, it is written as 2.1073209 × 10^7.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 14003856 positive integers (up to 21073209) that are relatively prime to 21073209.
21073209 has 8 divisors, whose sum is 28187520
The reverse of 21073209 is 90237012
Previous prime number is 317
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million seventy-three thousand two hundred nine
Scientific notation
2.1073209 × 10^7
Engineering notation
2.1073209 × 10^6
Prime Factorization
3 × 317 × 22159
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21073209
Product of the distinct prime numbers
The prime factorization of 21073209 is 3 × 317 × 22159.
Since it has a total of 3 prime factors.
1 , 9 , 95 , 82 , 108 , 688 , 1818 , 5137 , 57424 , 72405 , 482160 , 596614 , 7542416 , 1797478 , 56440300 , 89373638 , 776667355 , 850177469 , 7053971477 , 2254033621
n×2
42146418
n×3
63219627
n×4
84292836
n×5
105366045
n÷2
10536604.5
n÷3
7024403
n÷3
5268302.25
n÷5
4214641.8
n2
444080137557681
n3
9.3581935515018E+21
n4
1.9720716857325E+29
n5
4.1557878796423E+36
2 √n
4590.5565022119
3 √n
276.21264593239
4 √n
67.753645674693
5 √n
29.157221419608
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
-21073208
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 21073209 can be divided by 8 positive divisors.
The sum of these divisors (counting 21073209) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000011000110100111001
3
Ternary
1110122122000020
4
Quaternary
1100120310321
5
Quinary
20343320314
6
Senary
2031401053
8
Octal
120306471
10
Decimal
21073209
12
Duodecimal
7083189
16
Hexadecimal
1418d39
20
Vigesimal
6be309
36
Base36
cjo6x
md5
9c4a20cb0c8c8bf002a67a71cde6c44b
sha1
9801dfed65fe09bb07ebfbb721c5e49b7551ba8d
sha256
c95b59799af62771193dda8249d8242c7e1341a9ee2d01a16fbedc944261a1d9
sha512
cab7e0fe237db3805f7531e2eb3650a965fc405dd44338e040811d9b18b28b219f0bf846f20700b0fef6c16532232d87f5f03dde9c3443d0cdcbd7371820e261
ripemd-160
2bab3535e15f675a22083af13c5bdade3569fb97
Diameter
42146418
Circumference
132406877.16392
Area
1.3951188977564E+15
Volume
3.9199509483026E+22
Surface area
5.5804755910254E+15
Circumference
132406877.16392
Perimeter
84292836
Area
444080137557681
Diagonal
29802017.970523
Surface area
2664480825346086
Volume
9.3581935515018E+21
Space diagonal
36499868.666518
Perimeter
63219627
Area
1.9229234022052E+14
Altitude
18249934.333259
Surface area
1.9229234022052E+14
Volume
1.1028736866539E+21
Height
9934005.9901743