21628305 (number)

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.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred twenty-eight thousand three hundred five

Notation

Scientific notation 2.1628305 × 10^7
Engineering notation 2.1628305 × 10^6

Prime Factorization of 21628305

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.

Most popular turbo-numbers

Basic calculations (n = 21628305)

Multiplication

n×y
n×2 43256610
n×3 64884915
n×4 86513220
n×5 108141525

Division

n÷y
n÷2 10814152.5
n÷3 7209435
n÷3 5407076.25
n÷5 4325661

Exponentiation

ny
n2 467783577173025
n3 1.0117365881089E+22
n4 2.1882147507279E+29
n5 4.7327376034242E+36

Nth Root

y√n
2√n 4650.6241516596
3√n 278.61692522611
4√n 68.195484833379
5√n 29.309235944337

Divisors of 21628305

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 conversion 21628305

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

Cryptographic Hash Functions

md5 ff766dc2b2f74f299a19c3ea5486459e
sha1 1d7e7abd9ac04f32f04d5931d7a2754f5d52953c
sha256 5409c107f9ead9bacd9e0f26b38d64caed19c8fb6084157084019a194b633433
sha512 71ab94f2eee307069feecb2411707d52a0bca2ebbe98d695858cfa58d97f80444143c549e9ff917c0963233a43b418065bc6927a878d1ce89ce085b54583875b
ripemd-160 9ce157947b2069337c1fcdf56837aeefe65c67de

21628305 as geometric shapes

Circle

Radius = n
Diameter 43256610
Circumference 135894648.1952
Area 1.4695854495167E+15

Sphere

Radius = n
Volume 4.2379523100947E+22
Surface area 5.8783417980669E+15
Circumference 135894648.1952

Square

Length = n
Perimeter 86513220
Area 467783577173025
Diagonal 30587042.262142

Cube

Length = n
Surface area 2806701463038150
Volume 1.0117365881089E+22
Space diagonal 37461323.141596

Equilateral Triangle

Length = n
Perimeter 64884915
Area 2.025562306525E+14
Altitude 18730661.570798

Triangular Pyramid

Length = n
Surface area 2.025562306525E+14
Volume 1.1923430037106E+21
Height 10195680.754047