21431429 (number)

21431429 is an odd 8-digits composite number following 21431428 and preceding 21431430. In scientific notation, it is written as 2.1431429 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 21384480 positive integers (up to 21431429) that are relatively prime to 21431429.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred thirty-one thousand four hundred twenty-nine

Notation

Scientific notation 2.1431429 × 10^7
Engineering notation 2.1431429 × 10^6

Prime Factorization of 21431429

Prime Factorization 461 × 46489

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21431429
Product of the distinct prime numbers

The prime factorization of 21431429 is 461 × 46489. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21431429)

Multiplication

n×y
n×2 42862858
n×3 64294287
n×4 85725716
n×5 107157145

Division

n÷y
n÷2 10715714.5
n÷3 7143809.6666667
n÷3 5357857.25
n÷5 4286285.8

Exponentiation

ny
n2 459306148982041
n3 9.843587121172E+21
n4 2.1096213849271E+29
n5 4.5212200927947E+36

Nth Root

y√n
2√n 4629.4091415644
3√n 277.76895818516
4√n 68.039761474923
5√n 29.255681949293

Divisors of 21431429

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 -21431428
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 21431429 can be divided by 4 positive divisors. The sum of these divisors (counting 21431429) is 1, the average is 0.25.

Base conversion 21431429

Base System Value
2 Binary 1010001110000010010000101
3 Ternary 1111022211101122
4 Quaternary 1101300102011
5 Quinary 20441301204
6 Senary 2043203325
8 Octal 121602205
10 Decimal 21431429
12 Duodecimal 7216545
16 Hexadecimal 1470485
20 Vigesimal 6diib9
36 Base36 crclh

Cryptographic Hash Functions

md5 46eaa41c40e43c7c0967ac6d99cbfbe5
sha1 f759c59818596fde6f508a4a8f319c90b98daae8
sha256 a48beb8993af893e97e0c3d259d2a3ea677457c566641bcc6ab5ea3df7b22f58
sha512 c97a8aef156afc7ff4bf97622ccb8319246aa2a116810c4cb9b625c141b575b94bed0d2bb6a0194d8db2193670409edd8b8dc7efa0f31e8d1b5aa74f951e640b
ripemd-160 e4d85dd66ab875389523c35416f8a962ec3c250a

21431429 as geometric shapes

Circle

Radius = n
Diameter 42862858
Circumference 134657639.80466
Area 1.4429528233906E+15

Sphere

Radius = n
Volume 4.1232721313127E+22
Surface area 5.7718112935624E+15
Circumference 134657639.80466

Square

Length = n
Perimeter 85725716
Area 459306148982041
Diagonal 30308617.552836

Cube

Length = n
Surface area 2755836893892246
Volume 9.843587121172E+21
Space diagonal 37120323.906805

Equilateral Triangle

Length = n
Perimeter 64294287
Area 1.9888539656642E+14
Altitude 18560161.953403

Triangular Pyramid

Length = n
Surface area 1.9888539656642E+14
Volume 1.1600778674302E+21
Height 10102872.517612