21305475 is an odd 8-digits composite number following 21305474
and preceding 21305476 . In scientific notation, it is written as 2.1305475 × 10^7.
The sum of its digits is 27. It has a total of 6 prime factors and 36 positive divisors.
There are 10808160 positive integers (up to 21305475) that are relatively prime to 21305475.
21305475 has 36 divisors, whose sum is 30857400
The reverse of 21305475 is 57450312
Previous prime number is 179
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million three hundred five thousand four hundred seventy-five
Scientific notation
2.1305475 × 10^7
Engineering notation
2.1305475 × 10^6
Prime Factorization
9 × 5 × 5 × 23 × 179 × 23
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
185265
Product of the distinct prime numbers
The prime factorization of 21305475 is 9 × 5 × 5 × 23 × 179 × 23.
Since it has a total of 6 prime factors.
8 , 1 , 59 , 86 , 311 , 980 , 2549 , 749 , 62310 , 19935 , 355517 , 956626 , 9144941 , 3805569 , 81095673 , 72260824 , 436948046 , 228025124 , 6516657348 , 7387109920
n×2
42610950
n×3
63916425
n×4
85221900
n×5
106527375
n÷2
10652737.5
n÷3
7101825
n÷3
5326368.75
n÷5
4261095
n2
453923264975625
n3
9.6710507738566E+21
n4
2.0604633048613E+29
n5
4.389914943014E+36
2 √n
4615.7854152896
3 √n
277.22373284306
4 √n
67.939571792068
5 √n
29.22121328804
1 , 5 , 9 , 23 , 25 , 45 , 115 , 179 , 207 , 225 , 529 , 575 , 895 , 1035 , 1611 , 2645 , 4117 , 4475 , 4761 , 5175 , 8055 , 13225 , 20585 , 23805 , 37053 , 40275 , 94691 , 102925 , 119025 , 185265 , 473455 , 852219 , 926325 , 2367275 , 4261095 , 21305475
36 divisors
τ
Total Divisors
36
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21305474
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.027777777777778
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
36
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21305475 can be divided by 36 positive divisors.
The sum of these divisors (counting 21305475) is 1, the average is 0.027777777777778.
Base
System
Value
2
Binary
1010001010001100010000011
3
Ternary
1111002102121200
4
Quaternary
1101101202003
5
Quinary
20423233400
6
Senary
2040352243
8
Octal
121214203
10
Decimal
21305475
12
Duodecimal
7175683
16
Hexadecimal
1451883
20
Vigesimal
6d33df
36
Base36
coner
md5
a785e21886847b4f61cd3b24d28b03f3
sha1
42f67f5b2dc01a305cb28e276c9c9ae5f34b7bb8
sha256
b043b371fa554e76e8ddce341c098b4ccce267458639f89a47de3bdf36d2c776
sha512
307da66624532a88687686cc562c056b378ad8064719763cf6890ee6c023f9785264815344efc5cf009e933ab9ce172aca4653a9171191ff0414a207e058d5e8
ripemd-160
5399a07c9f0c566122d66a2db639f709d51f9b68
Diameter
42610950
Circumference
133866247.48248
Area
1.4260419945409E+15
Volume
4.0510002751522E+22
Surface area
5.7041679781637E+15
Circumference
133866247.48248
Perimeter
85221900
Area
453923264975625
Diagonal
30130491.697801
Surface area
2723539589853750
Volume
9.6710507738566E+21
Space diagonal
36902165.179389
Perimeter
63916425
Area
1.9655453941883E+14
Altitude
18451082.589694
Surface area
1.9655453941883E+14
Volume
1.1397442638989E+21
Height
10043497.2326