21557055 (number)

21557055 is an odd 8-digits composite number following 21557054 and preceding 21557056. In scientific notation, it is written as 2.1557055 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 10544256 positive integers (up to 21557055) that are relatively prime to 21557055.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-seven thousand fifty-five

Notation

Scientific notation 2.1557055 × 10^7
Engineering notation 2.1557055 × 10^6

Prime Factorization of 21557055

Prime Factorization 15 × 13 × 227 × 487

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21557055
Product of the distinct prime numbers

The prime factorization of 21557055 is 15 × 13 × 227 × 487. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21557055)

Multiplication

n×y
n×2 43114110
n×3 64671165
n×4 86228220
n×5 107785275

Division

n÷y
n÷2 10778527.5
n÷3 7185685
n÷3 5389263.75
n÷5 4311411

Exponentiation

ny
n2 464706620273025
n3 1.001770617209E+22
n4 2.1595224292558E+29
n5 4.65529437812E+36

Nth Root

y√n
2√n 4642.9575703424
3√n 278.31063994006
4√n 68.13925131921
5√n 29.289899798669

Divisors of 21557055

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 -21557054
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 21557055 can be divided by 16 positive divisors. The sum of these divisors (counting 21557055) is 1, the average is 0.0625.

Base conversion 21557055

Base System Value
2 Binary 1010010001110111100111111
3 Ternary 1111120012201110
4 Quaternary 1102032330333
5 Quinary 21004311210
6 Senary 2050013103
8 Octal 122167477
10 Decimal 21557055
12 Duodecimal 7277193
16 Hexadecimal 148ef3f
20 Vigesimal 6eeccf
36 Base36 cu1j3

Cryptographic Hash Functions

md5 1d521f72d9ea1fada859b1674be4bd2e
sha1 75275bf9273ae884627b0a14bad0270e3705150b
sha256 533cb91fd5bbcbbb67726dc9b4c2a080ffde01dd0b9ba0a8cee3981e0982c09a
sha512 37e977f8a68ac7ea9cad73976d58ab66db8160528ceaf85b496c6b7099b419c24494250cc7fd5c95cdda50f50cd8fdd67f40f1e0d9c1a458ca12993bd795b4c6
ripemd-160 b72bc64f47aedbb32557bca856c00e1a29bbfb10

21557055 as geometric shapes

Circle

Radius = n
Diameter 43114110
Circumference 135446971.24206
Area 1.4599189043243E+15

Sphere

Radius = n
Volume 4.1962069488078E+22
Surface area 5.8396756172971E+15
Circumference 135446971.24206

Square

Length = n
Perimeter 86228220
Area 464706620273025
Diagonal 30486279.545823

Cube

Length = n
Surface area 2788239721638150
Volume 1.001770617209E+22
Space diagonal 37337914.521557

Equilateral Triangle

Length = n
Perimeter 64671165
Area 2.0122386923162E+14
Altitude 18668957.260778

Triangular Pyramid

Length = n
Surface area 2.0122386923162E+14
Volume 1.1805979943698E+21
Height 10162093.181941