21328305 is an odd 8-digits composite number following 21328304
and preceding 21328306 . In scientific notation, it is written as 2.1328305 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 11307968 positive integers (up to 21328305) that are relatively prime to 21328305.
21328305 has 16 divisors, whose sum is 34326720
The reverse of 21328305 is 50382312
Previous prime number is 173
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million three hundred twenty-eight thousand three hundred five
Scientific notation
2.1328305 × 10^7
Engineering notation
2.1328305 × 10^6
Prime Factorization
3 × 5 × 173 × 8219
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21328305
Product of the distinct prime numbers
The prime factorization of 21328305 is 3 × 5 × 173 × 8219.
Since it has a total of 4 prime factors.
9 , 9 , 56 , 32 , 798 , 945 , 5813 , 3562 , 26880 , 67395 , 296997 , 382066 , 2604201 , 1495703 , 15000989 , 77951910 , 644061393 , 497453382 , 7286179857 , 907600637
n×2
42656610
n×3
63984915
n×4
85313220
n×5
106641525
n÷2
10664152.5
n÷3
7109435
n÷3
5332076.25
n÷5
4265661
n2
454896594173025
n3
9.7021733039835E+21
n4
2.0693091139022E+29
n5
4.4134855920585E+36
2 √n
4618.2577883873
3 √n
277.32271770546
4 √n
67.957764739486
5 √n
29.227473036207
1 , 3 , 5 , 15 , 173 , 519 , 865 , 2595 , 8219 , 24657 , 41095 , 123285 , 1421887 , 4265661 , 7109435 , 21328305
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21328304
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21328305 can be divided by 16 positive divisors.
The sum of these divisors (counting 21328305) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001010111000110110001
3
Ternary
1111010120221020
4
Quaternary
1101113012301
5
Quinary
20430001210
6
Senary
2041050053
8
Octal
121270661
10
Decimal
21328305
12
Duodecimal
7186929
16
Hexadecimal
14571b1
20
Vigesimal
6d60f5
36
Base36
cp50x
md5
44ef905ff5fb855ecbf2c10490d89159
sha1
684cefb8a05c643b97ee500f355d052a12708997
sha256
edb0f7705dbfce3f706a8bb3ff944d5f631963a73dca9ab43dd5439c3dfc97f8
sha512
517e23971b01defdb3424f2d7446b1fb9254b1f8e511a26570a4eabb702f4f13151d339fa64be9a74f991fe2b9ee7b646dac6a697045f765ee0f14d67f4c275f
ripemd-160
805f9658362dbfc0c66fb0a63a6ed9d562f2069e
Diameter
42656610
Circumference
134009692.60304
Area
1.429099798397E+15
Volume
4.0640368500866E+22
Surface area
5.716399193588E+15
Circumference
134009692.60304
Perimeter
85313220
Area
454896594173025
Diagonal
30162778.19343
Surface area
2729379565038150
Volume
9.7021733039835E+21
Space diagonal
36941707.899325
Perimeter
63984915
Area
1.9697600332443E+14
Altitude
18470853.949663
Surface area
1.9697600332443E+14
Volume
1.143412089249E+21
Height
10054259.39781