21897429 (number)

21897429 is an odd 8-digits composite number following 21897428 and preceding 21897430. In scientific notation, it is written as 2.1897429 × 10^7. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 14598284 positive integers (up to 21897429) that are relatively prime to 21897429.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred ninety-seven thousand four hundred twenty-nine

Notation

Scientific notation 2.1897429 × 10^7
Engineering notation 2.1897429 × 10^6

Prime Factorization of 21897429

Prime Factorization 3 × 7299143

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21897429
Product of the distinct prime numbers

The prime factorization of 21897429 is 3 × 7299143. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21897429)

Multiplication

n×y
n×2 43794858
n×3 65692287
n×4 87589716
n×5 109487145

Division

n÷y
n÷2 10948714.5
n÷3 7299143
n÷3 5474357.25
n÷5 4379485.8

Exponentiation

ny
n2 479497396810041
n3 1.0499760202333E+22
n4 2.2991775354761E+29
n5 5.0346076841482E+36

Nth Root

y√n
2√n 4679.4688801188
3√n 279.76778791523
4√n 68.406643537881
5√n 29.381815369344

Divisors of 21897429

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 -21897428
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 21897429 can be divided by 4 positive divisors. The sum of these divisors (counting 21897429) is 1, the average is 0.25.

Base conversion 21897429

Base System Value
2 Binary 1010011100010000011010101
3 Ternary 1112012111121220
4 Quaternary 1103202003111
5 Quinary 21101204204
6 Senary 2101200553
8 Octal 123420325
10 Decimal 21897429
12 Duodecimal 7400159
16 Hexadecimal 14e20d5
20 Vigesimal 6gh3b9
36 Base36 d1c5x

Cryptographic Hash Functions

md5 89a343b0cfb0307342f28b5f75da2d99
sha1 5cca0108eab74bc1b72ef09f96296f37990ce429
sha256 6de1b626d2f3125691b31670d99f27e7743f788de2c9115f87936073b213a751
sha512 c516d1bbe52012a855b870fdfde239386c59cbb02c67a862a2f84da6e685ce8c9657d9f0411fd7d5598b3f77ee713854347a90fb4f87f463347695b55a5268f1
ripemd-160 d0572f30279c03c5e9272349167fff0284558735

21897429 as geometric shapes

Circle

Radius = n
Diameter 43794858
Circumference 137585604.15781
Area 1.5063854992339E+15

Sphere

Radius = n
Volume 4.3981292688137E+22
Surface area 6.0255419969354E+15
Circumference 137585604.15781

Square

Length = n
Perimeter 87589716
Area 479497396810041
Diagonal 30967641.072902

Cube

Length = n
Surface area 2876984380860246
Volume 1.0499760202333E+22
Space diagonal 37927459.583132

Equilateral Triangle

Length = n
Perimeter 65692287
Area 2.07628463343E+14
Altitude 18963729.791566

Triangular Pyramid

Length = n
Surface area 2.07628463343E+14
Volume 1.2374086066503E+21
Height 10322547.024301