21431447 (number)

21431447 is an odd 8-digits composite number following 21431446 and preceding 21431448. In scientific notation, it is written as 2.1431447 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 20740080 positive integers (up to 21431447) that are relatively prime to 21431447.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred thirty-one thousand four hundred forty-seven

Notation

Scientific notation 2.1431447 × 10^7
Engineering notation 2.1431447 × 10^6

Prime Factorization of 21431447

Prime Factorization 31 × 691337

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21431447
Product of the distinct prime numbers

The prime factorization of 21431447 is 31 × 691337. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21431447)

Multiplication

n×y
n×2 42862894
n×3 64294341
n×4 85725788
n×5 107157235

Division

n÷y
n÷2 10715723.5
n÷3 7143815.6666667
n÷3 5357861.75
n÷5 4286289.4

Exponentiation

ny
n2 459306920513809
n3 9.8436119237249E+21
n4 2.1096284723188E+29
n5 4.5212390794191E+36

Nth Root

y√n
2√n 4629.4110856566
3√n 277.76903595008
4√n 68.039775761363
5√n 29.255686863591

Divisors of 21431447

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21431446
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21431447 can be divided by 4 positive divisors. The sum of these divisors (counting 21431447) is 1, the average is 0.25.

Base conversion 21431447

Base System Value
2 Binary 1010001110000010010010111
3 Ternary 1111022211102022
4 Quaternary 1101300102113
5 Quinary 20441301242
6 Senary 2043203355
8 Octal 121602227
10 Decimal 21431447
12 Duodecimal 721655b
16 Hexadecimal 1470497
20 Vigesimal 6diic7
36 Base36 crclz

Cryptographic Hash Functions

md5 ec50121baad744a313e2a0037bdb483d
sha1 ba70cf0b0144a1dafe82cda85872e82daee6a096
sha256 80e761bd3200a80575de0047337f279c1ebadfcaf6025cd2397783062f471ca6
sha512 44d462443c4206efbeef88ba555c7fe0ea5ec6a41eeba5a53bd0027830d706a9fe8fd905544c9efb54f04b522b20c4b78bbda719ff5651d3b7f4322fec55c1e7
ripemd-160 930f2adb3085151ad03af0a3db59f4e4ba3058c6

21431447 as geometric shapes

Circle

Radius = n
Diameter 42862894
Circumference 134657752.902
Area 1.4429552472291E+15

Sphere

Radius = n
Volume 4.1232825205817E+22
Surface area 5.7718209889165E+15
Circumference 134657752.902

Square

Length = n
Perimeter 85725788
Area 459306920513809
Diagonal 30308643.00868

Cube

Length = n
Surface area 2755841523082854
Volume 9.8436119237249E+21
Space diagonal 37120355.08372

Equilateral Triangle

Length = n
Perimeter 64294341
Area 1.9888573064948E+14
Altitude 18560177.54186

Triangular Pyramid

Length = n
Surface area 1.9888573064948E+14
Volume 1.1600807904391E+21
Height 10102881.002893