21897423 (number)

21897423 is an odd 8-digits composite number following 21897422 and preceding 21897424. In scientific notation, it is written as 2.1897423 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 6 positive divisors. There are 14598276 positive integers (up to 21897423) that are relatively prime to 21897423.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1897423 × 10^7
Engineering notation 2.1897423 × 10^6

Prime Factorization of 21897423

Prime Factorization 3 × 3 × 2433047

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 7299141
Product of the distinct prime numbers

The prime factorization of 21897423 is 3 × 3 × 2433047. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 2, 24, 70, 373, 967, 2280, 6543, 19777, 99321, 152030, 53370, 3642165, 8198972, 20922266, 53403598, 844857620, 374657075, 148675643, 2784592190

Basic calculations (n = 21897423)

Multiplication

n×y
n×2 43794846
n×3 65692269
n×4 87589692
n×5 109487115

Division

n÷y
n÷2 10948711.5
n÷3 7299141
n÷3 5474355.75
n÷5 4379484.6

Exponentiation

ny
n2 479497134040929
n3 1.0499751571382E+22
n4 2.2991750155346E+29
n5 5.0346007866194E+36

Nth Root

y√n
2√n 4679.4682390203
3√n 279.76776236266
4√n 68.406638851944
5√n 29.381813759192

Divisors of 21897423

1, 3, 9, 2433047, 7299141, 21897423

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21897422
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21897423 can be divided by 6 positive divisors. The sum of these divisors (counting 21897423) is 1, the average is 0.16666666666667.

Base conversion 21897423

Base System Value
2 Binary 1010011100010000011001111
3 Ternary 1112012111121200
4 Quaternary 1103202003033
5 Quinary 21101204143
6 Senary 2101200543
8 Octal 123420317
10 Decimal 21897423
12 Duodecimal 7400153
16 Hexadecimal 14e20cf
20 Vigesimal 6gh3b3
36 Base36 d1c5r

Cryptographic Hash Functions

md5 6452d962c57b53d93d22a7b93b42b7c9
sha1 4b933d9b228c1637ae43d57c1825babcb340ceff
sha256 7e22190706c80f4b7c64e9415879c2df5390613c80b1b6acb59c729ab34967bf
sha512 6066347ce42d3c05bcb79c3ae1e6be59b80a85b15d87723dc938665b3c94651f7f6d0d3945ad46c38ca3248058911517c1778983d2008d9a0b31689b3c322f40
ripemd-160 557ab02c33cfeb5d4c48d1d41caee3a61ccf791b

21897423 as geometric shapes

Circle

Radius = n
Diameter 43794846
Circumference 137585566.4587
Area 1.5063846737203E+15

Sphere

Radius = n
Volume 4.3981256534895E+22
Surface area 6.0255386948814E+15
Circumference 137585566.4587

Square

Length = n
Perimeter 87589692
Area 479497134040929
Diagonal 30967632.587621

Cube

Length = n
Surface area 2876982804245574
Volume 1.0499751571382E+22
Space diagonal 37927449.190827

Equilateral Triangle

Length = n
Perimeter 65692269
Area 2.0762834956064E+14
Altitude 18963724.595414

Triangular Pyramid

Length = n
Surface area 2.0762834956064E+14
Volume 1.237407589483E+21
Height 10322544.195874