21628305 is an odd 8-digits composite number following 21628304
and preceding 21628306 . In scientific notation, it is written as 2.1628305 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 11481120 positive integers (up to 21628305) that are relatively prime to 21628305.
21628305 has 8 divisors, whose sum is 22212480
The reverse of 21628305 is 50382612
Previous prime number is 239
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million six hundred twenty-eight thousand three hundred five
Scientific notation
2.1628305 × 10^7
Engineering notation
2.1628305 × 10^6
Prime Factorization
45 × 239 × 2011
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21628305
Product of the distinct prime numbers
The prime factorization of 21628305 is 45 × 239 × 2011.
Since it has a total of 3 prime factors.
6 , 1 , 52 , 98 , 134 , 510 , 6626 , 9368 , 20541 , 34299 , 632700 , 375468 , 7049127 , 4570853 , 15676388 , 59505597 , 894675238 , 939119359 , 9157900388 , 5410816009
n×2
43256610
n×3
64884915
n×4
86513220
n×5
108141525
n÷2
10814152.5
n÷3
7209435
n÷3
5407076.25
n÷5
4325661
n2
467783577173025
n3
1.0117365881089E+22
n4
2.1882147507279E+29
n5
4.7327376034242E+36
2 √n
4650.6241516596
3 √n
278.61692522611
4 √n
68.195484833379
5 √n
29.309235944337
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
-21628304
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 21628305 can be divided by 8 positive divisors.
The sum of these divisors (counting 21628305) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010100000010110010001
3
Ternary
1111200211110100
4
Quaternary
1102200112101
5
Quinary
21014101210
6
Senary
2051323013
8
Octal
122402621
10
Decimal
21628305
12
Duodecimal
72b0469
16
Hexadecimal
14a0591
20
Vigesimal
6f3af5
36
Base36
cvki9
md5
ff766dc2b2f74f299a19c3ea5486459e
sha1
1d7e7abd9ac04f32f04d5931d7a2754f5d52953c
sha256
5409c107f9ead9bacd9e0f26b38d64caed19c8fb6084157084019a194b633433
sha512
71ab94f2eee307069feecb2411707d52a0bca2ebbe98d695858cfa58d97f80444143c549e9ff917c0963233a43b418065bc6927a878d1ce89ce085b54583875b
ripemd-160
9ce157947b2069337c1fcdf56837aeefe65c67de
Diameter
43256610
Circumference
135894648.1952
Area
1.4695854495167E+15
Volume
4.2379523100947E+22
Surface area
5.8783417980669E+15
Circumference
135894648.1952
Perimeter
86513220
Area
467783577173025
Diagonal
30587042.262142
Surface area
2806701463038150
Volume
1.0117365881089E+22
Space diagonal
37461323.141596
Perimeter
64884915
Area
2.025562306525E+14
Altitude
18730661.570798
Surface area
2.025562306525E+14
Volume
1.1923430037106E+21
Height
10195680.754047