21897448 (number)

21897448 is an even 8-digits composite number following 21897447 and preceding 21897449. In scientific notation, it is written as 2.1897448 × 10^7. The sum of its digits is 43. It has a total of 5 prime factors and 16 positive divisors. There are 10927728 positive integers (up to 21897448) that are relatively prime to 21897448.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1897448 × 10^7
Engineering notation 2.1897448 × 10^6

Prime Factorization of 21897448

Prime Factorization 2 × 2 × 2 × 587 × 4663

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5474362
Product of the distinct prime numbers

The prime factorization of 21897448 is 2 × 2 × 2 × 587 × 4663. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21897448)

Multiplication

n×y
n×2 43794896
n×3 65692344
n×4 87589792
n×5 109487240

Division

n÷y
n÷2 10948724
n÷3 7299149.3333333
n÷3 5474362
n÷5 4379489.6

Exponentiation

ny
n2 479498228912704
n3 1.0499787533708E+22
n4 2.2991855153042E+29
n5 5.0346295263727E+36

Nth Root

y√n
2√n 4679.4709102633
3√n 279.76786883167
4√n 68.406658376676
5√n 29.381820468155

Divisors of 21897448

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 -21897447
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 21897448 can be divided by 16 positive divisors. The sum of these divisors (counting 21897448) is 1, the average is 0.0625.

Base conversion 21897448

Base System Value
2 Binary 1010011100010000011101000
3 Ternary 1112012111122121
4 Quaternary 1103202003220
5 Quinary 21101204243
6 Senary 2101201024
8 Octal 123420350
10 Decimal 21897448
12 Duodecimal 7400174
16 Hexadecimal 14e20e8
20 Vigesimal 6gh3c8
36 Base36 d1c6g

Cryptographic Hash Functions

md5 7ded768696920bb652ac6f60dca21e72
sha1 6abacb3bfb19618b4856f9f79c21aa33d91ef134
sha256 183a38221fc2a15756b27e1020cfeef380f2cdad7ff388639dbcbef90fdcb295
sha512 6d8f0e8a663431dbbdc99d2136e4b9dc4aee3cec1d89b7dd589b2a3c2a0c290d4bbf3ba3a5b5128929bcfeb5de562740ed47aa749d15d6db99890d70bc0d37e9
ripemd-160 0b2ec59367673539822d25e9ca40a18765db803a

21897448 as geometric shapes

Circle

Radius = n
Diameter 43794896
Circumference 137585723.53833
Area 1.5063881133615E+15

Sphere

Radius = n
Volume 4.3981407173534E+22
Surface area 6.0255524534459E+15
Circumference 137585723.53833

Square

Length = n
Perimeter 87589792
Area 479498228912704
Diagonal 30967667.94296

Cube

Length = n
Surface area 2876989373476224
Volume 1.0499787533708E+22
Space diagonal 37927492.492097

Equilateral Triangle

Length = n
Perimeter 65692344
Area 2.0762882365402E+14
Altitude 18963746.246049

Triangular Pyramid

Length = n
Surface area 2.0762882365402E+14
Volume 1.2374118276838E+21
Height 10322555.980987