21231278 (number)

21231278 is an even 8-digits composite number following 21231277 and preceding 21231279. In scientific notation, it is written as 2.1231278 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 10605600 positive integers (up to 21231278) that are relatively prime to 21231278.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred thirty-one thousand two hundred seventy-eight

Notation

Scientific notation 2.1231278 × 10^7
Engineering notation 2.1231278 × 10^6

Prime Factorization of 21231278

Prime Factorization 2 × 1201 × 8839

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21231278
Product of the distinct prime numbers

The prime factorization of 21231278 is 2 × 1201 × 8839. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21231278)

Multiplication

n×y
n×2 42462556
n×3 63693834
n×4 84925112
n×5 106156390

Division

n÷y
n÷2 10615639
n÷3 7077092.6666667
n÷3 5307819.5
n÷5 4246255.6

Exponentiation

ny
n2 450767165513284
n3 9.5703630042845E+21
n4 2.0319103750488E+29
n5 4.3140054043745E+36

Nth Root

y√n
2√n 4607.7410951571
3√n 276.90154502971
4√n 67.880343952849
5√n 29.200832114502

Divisors of 21231278

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 -21231277
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 21231278 can be divided by 8 positive divisors. The sum of these divisors (counting 21231278) is 1, the average is 0.125.

Base conversion 21231278

Base System Value
2 Binary 1010000111111011010101110
3 Ternary 1110221122211122
4 Quaternary 1100333122232
5 Quinary 20413400103
6 Senary 2035020542
8 Octal 120773256
10 Decimal 21231278
12 Duodecimal 713a752
16 Hexadecimal 143f6ae
20 Vigesimal 6cdi3i
36 Base36 cn25q

Cryptographic Hash Functions

md5 d3c9a1807e9240c3e01e065b3ac2783b
sha1 a90b83cb1d2bf5129cf22060d3cb78f8eabb0fb0
sha256 16bec93474eef43c9c7b434c2d3d49b5278cd9d71c167e0955e864d66bdf0c9c
sha512 9e0ad6293c7329d0abd33f4ef1e7bc6fb6b7e96769aa9879e636747a6c63db49a30fccd2b83949b6a262a164ea18e48e0c260d404449b42e1b3585a08e75438e
ripemd-160 9bbc8dad07858f75706b89531e23996122652851

21231278 as geometric shapes

Circle

Radius = n
Diameter 42462556
Circumference 133400053.98225
Area 1.416126815656E+15

Sphere

Radius = n
Volume 4.0088242808597E+22
Surface area 5.6645072626241E+15
Circumference 133400053.98225

Square

Length = n
Perimeter 84925112
Area 450767165513284
Diagonal 30025561.294114

Cube

Length = n
Surface area 2704602993079704
Volume 9.5703630042845E+21
Space diagonal 36773652.205619

Equilateral Triangle

Length = n
Perimeter 63693834
Area 1.951879082632E+14
Altitude 18386826.10281

Triangular Pyramid

Length = n
Surface area 1.951879082632E+14
Volume 1.1278780964577E+21
Height 10008520.431371