21431423 (number)

21431423 is an odd 8-digits composite number following 21431422 and preceding 21431424. In scientific notation, it is written as 2.1431423 × 10^7. The sum of its digits is 20. It has a total of 4 prime factors and 16 positive divisors. There are 18779904 positive integers (up to 21431423) that are relatively prime to 21431423.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1431423 × 10^7
Engineering notation 2.1431423 × 10^6

Prime Factorization of 21431423

Prime Factorization 13 × 23 × 313 × 229

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21431423
Product of the distinct prime numbers

The prime factorization of 21431423 is 13 × 23 × 313 × 229. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21431423)

Multiplication

n×y
n×2 42862846
n×3 64294269
n×4 85725692
n×5 107157115

Division

n÷y
n÷2 10715711.5
n÷3 7143807.6666667
n÷3 5357855.75
n÷5 4286284.6

Exponentiation

ny
n2 459305891804929
n3 9.8435788536637E+21
n4 2.1096190224672E+29
n5 4.5212137639341E+36

Nth Root

y√n
2√n 4629.4084935335
3√n 277.76893226351
4√n 68.039756712774
5√n 29.255680311193

Divisors of 21431423

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21431422
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21431423 can be divided by 16 positive divisors. The sum of these divisors (counting 21431423) is 1, the average is 0.0625.

Base conversion 21431423

Base System Value
2 Binary 1010001110000010001111111
3 Ternary 1111022211101102
4 Quaternary 1101300101333
5 Quinary 20441301143
6 Senary 2043203315
8 Octal 121602177
10 Decimal 21431423
12 Duodecimal 721653b
16 Hexadecimal 147047f
20 Vigesimal 6diib3
36 Base36 crclb

Cryptographic Hash Functions

md5 2a5310362824c655405433edfd75daf2
sha1 c8594b0760236c42c6611576d17576ad3318fab6
sha256 435df965fff8b6aff180184514e20a9ae747bad02a566889a195850b85f9b64c
sha512 1ed0743c3d192a1d6c9f4876d5adc400965c3edecb885fc6723c3bd6fd7a35838bccaffe87fe94d668674950b7159edbe5b496759c1702ab90d97e7ddfc152e5
ripemd-160 51dab827083a748cc547158d5a75d245a0857ffe

21431423 as geometric shapes

Circle

Radius = n
Diameter 42862846
Circumference 134657602.10555
Area 1.4429520154449E+15

Sphere

Radius = n
Volume 4.1232686682269E+22
Surface area 5.7718080617795E+15
Circumference 134657602.10555

Square

Length = n
Perimeter 85725692
Area 459305891804929
Diagonal 30308609.067555

Cube

Length = n
Surface area 2755835350829574
Volume 9.8435788536637E+21
Space diagonal 37120313.5145

Equilateral Triangle

Length = n
Perimeter 64294269
Area 1.9888528520547E+14
Altitude 18560156.75725

Triangular Pyramid

Length = n
Surface area 1.9888528520547E+14
Volume 1.160076893095E+21
Height 10102869.689185