21471381 (number)

21471381 is an odd 8-digits composite number following 21471380 and preceding 21471382. In scientific notation, it is written as 2.1471381 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 6 positive divisors. There are 14314248 positive integers (up to 21471381) that are relatively prime to 21471381.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred seventy-one thousand three hundred eighty-one

Notation

Scientific notation 2.1471381 × 10^7
Engineering notation 2.1471381 × 10^6

Prime Factorization of 21471381

Prime Factorization 3 × 3 × 2385709

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 7157127
Product of the distinct prime numbers

The prime factorization of 21471381 is 3 × 3 × 2385709. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21471381)

Multiplication

n×y
n×2 42942762
n×3 64414143
n×4 85885524
n×5 107356905

Division

n÷y
n÷2 10735690.5
n÷3 7157127
n÷3 5367845.25
n÷5 4294276.2

Exponentiation

ny
n2 461020202047161
n3 9.8987404068516E+21
n4 2.1253962669561E+29
n5 4.5635193023791E+36

Nth Root

y√n
2√n 4633.7221539492
3√n 277.94145464183
4√n 68.071448889746
5√n 29.266581385081

Divisors of 21471381

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21471380
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21471381 can be divided by 6 positive divisors. The sum of these divisors (counting 21471381) is 1, the average is 0.16666666666667.

Base conversion 21471381

Base System Value
2 Binary 1010001111010000010010101
3 Ternary 1111101212012100
4 Quaternary 1101322002111
5 Quinary 20444041011
6 Senary 2044112313
8 Octal 121720225
10 Decimal 21471381
12 Duodecimal 7235699
16 Hexadecimal 147a095
20 Vigesimal 6e3i91
36 Base36 cs7f9

Cryptographic Hash Functions

md5 d6689a3c82801dd4d975705f2551a727
sha1 232429e9e0a0210f34925017c1882d070af6ea9f
sha256 fc4a696d0e2d39b9a78a0c51dcbe191f04f774ce590b20a529e0fa666063c988
sha512 9eb33eb4679a364f827d4c0d95a2913b5d172d4209ff2565b30bbeb0d8673d0896511515a51fcc562c4fb2a4deb9a0e2c079a9ee0f095803b2a66470a0a67a1e
ripemd-160 21d9f87c5cd3e2b76adac2240b298ef30d968dd4

21471381 as geometric shapes

Circle

Radius = n
Diameter 42942762
Circumference 134908665.62405
Area 1.4483376799078E+15

Sphere

Radius = n
Volume 4.1463746855943E+22
Surface area 5.7933507196314E+15
Circumference 134908665.62405

Square

Length = n
Perimeter 85885524
Area 461020202047161
Diagonal 30365118.21308

Cube

Length = n
Surface area 2766121212282966
Volume 9.8987404068516E+21
Space diagonal 37189522.800669

Equilateral Triangle

Length = n
Perimeter 64414143
Area 1.9962760331534E+14
Altitude 18594761.400335

Triangular Pyramid

Length = n
Surface area 1.9962760331534E+14
Volume 1.1665777444817E+21
Height 10121706.071027