21304845 is an odd 8-digits composite number following 21304844
and preceding 21304846 . In scientific notation, it is written as 2.1304845 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 11362560 positive integers (up to 21304845) that are relatively prime to 21304845.
21304845 has 8 divisors, whose sum is 30300288
The reverse of 21304845 is 54840312
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million three hundred four thousand eight hundred forty-five
Scientific notation
2.1304845 × 10^7
Engineering notation
2.1304845 × 10^6
Prime Factorization
15 × 3 × 473441
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21304845
Product of the distinct prime numbers
The prime factorization of 21304845 is 15 × 3 × 473441.
Since it has a total of 3 prime factors.
9 , 5 , 25 , 97 , 820 , 350 , 378 , 5094 , 23848 , 33553 , 385370 , 178480 , 8684612 , 8139648 , 74899474 , 6317103 , 836168404 , 711319394 , 643444862 , 6928456972
n×2
42609690
n×3
63914535
n×4
85219380
n×5
106524225
n÷2
10652422.5
n÷3
7101615
n÷3
5326211.25
n÷5
4260969
n2
453896420474025
n3
9.6701928842539E+21
n4
2.0602196051913E+29
n5
4.3892659354562E+36
2 √n
4615.7171707114
3 √n
277.22100032676
4 √n
67.939069545523
5 √n
29.221040472534
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
-21304844
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 21304845 can be divided by 8 positive divisors.
The sum of these divisors (counting 21304845) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001010001011000001101
3
Ternary
1111002101202100
4
Quaternary
1101101120031
5
Quinary
20423223340
6
Senary
2040345313
8
Octal
121213015
10
Decimal
21304845
12
Duodecimal
7175239
16
Hexadecimal
145160d
20
Vigesimal
6d3225
36
Base36
comx9
md5
e0053171baaf4924d8ac124d712163ec
sha1
a7f06c1864cd17b5b9ab7230fc370735dfc56e8e
sha256
a4c60a4ed5c018153e0eb90d84379edff96b0a7ab21d898aa09e93950dadd09f
sha512
6823b1c2d6e1208913fc1cd9f5fa81e63f355a599f263ab31c82ade397d3be1746caa972f8faa00e79b7b14578e60df697d7e0be815ddc5f6c3f0d4977332855
ripemd-160
c6783354be0df6826c98d25e8245aac85550d61b
Diameter
42609690
Circumference
133862289.07574
Area
1.4259576600519E+15
Volume
4.0506409231958E+22
Surface area
5.7038306402076E+15
Circumference
133862289.07574
Perimeter
85219380
Area
453896420474025
Diagonal
30129600.743257
Surface area
2723378522844150
Volume
9.6701928842539E+21
Space diagonal
36901073.98738
Perimeter
63914535
Area
1.9654291540866E+14
Altitude
18450536.99369
Surface area
1.9654291540866E+14
Volume
1.1396431606396E+21
Height
10043200.247752