21231255 (number)

21231255 is an odd 8-digits composite number following 21231254 and preceding 21231256. In scientific notation, it is written as 2.1231255 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 11299968 positive integers (up to 21231255) that are relatively prime to 21231255.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred thirty-one thousand two hundred fifty-five

Notation

Scientific notation 2.1231255 × 10^7
Engineering notation 2.1231255 × 10^6

Prime Factorization of 21231255

Prime Factorization 15 × 2309 × 613

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21231255
Product of the distinct prime numbers

The prime factorization of 21231255 is 15 × 2309 × 613. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21231255)

Multiplication

n×y
n×2 42462510
n×3 63693765
n×4 84925020
n×5 106156275

Division

n÷y
n÷2 10615627.5
n÷3 7077085
n÷3 5307813.75
n÷5 4246251

Exponentiation

ny
n2 450766188875025
n3 9.5703319013838E+21
n4 2.0319015703291E+29
n5 4.3139820374559E+36

Nth Root

y√n
2√n 4607.7385993565
3√n 276.90144503985
4√n 67.880325569023
5√n 29.200825787804

Divisors of 21231255

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 -21231254
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 21231255 can be divided by 8 positive divisors. The sum of these divisors (counting 21231255) is 1, the average is 0.125.

Base conversion 21231255

Base System Value
2 Binary 1010000111111011010010111
3 Ternary 1110221122210210
4 Quaternary 1100333122113
5 Quinary 20413400010
6 Senary 2035020503
8 Octal 120773227
10 Decimal 21231255
12 Duodecimal 713a733
16 Hexadecimal 143f697
20 Vigesimal 6cdi2f
36 Base36 cn253

Cryptographic Hash Functions

md5 1245b05da59216954d55944f17ee4440
sha1 7f1bc7ad40497a05bff0523bd7e3b93939ca480e
sha256 ce1945e608eaa6eb086f2029c6ceeb10fdf4c1e763e21c07f76ed5e95bb5f781
sha512 404ffd00dd3053446bd355baa8e3fa41cc29a439b4334af910946e3d016fe4b75d39fdeae4de5c0817e7bf27f273e88064e8e2475545ea30c349adea0d46fa13
ripemd-160 95fd453f3aabf37bb7c8be3f0ae63e1bad1b7653

21231255 as geometric shapes

Circle

Radius = n
Diameter 42462510
Circumference 133399909.46898
Area 1.4161237474564E+15

Sphere

Radius = n
Volume 4.0088112525071E+22
Surface area 5.6644949898258E+15
Circumference 133399909.46898

Square

Length = n
Perimeter 84925020
Area 450766188875025
Diagonal 30025528.767202

Cube

Length = n
Surface area 2704597133250150
Volume 9.5703319013838E+21
Space diagonal 36773612.368451

Equilateral Triangle

Length = n
Perimeter 63693765
Area 1.9518748536643E+14
Altitude 18386806.184225

Triangular Pyramid

Length = n
Surface area 1.9518748536643E+14
Volume 1.1278744309457E+21
Height 10008509.589067