21897415 (number)

21897415 is an odd 8-digits composite number following 21897414 and preceding 21897416. In scientific notation, it is written as 2.1897415 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 17517928 positive integers (up to 21897415) that are relatively prime to 21897415.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1897415 × 10^7
Engineering notation 2.1897415 × 10^6

Prime Factorization of 21897415

Prime Factorization 5 × 4379483

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21897415
Product of the distinct prime numbers

The prime factorization of 21897415 is 5 × 4379483. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21897415)

Multiplication

n×y
n×2 43794830
n×3 65692245
n×4 87589660
n×5 109487075

Division

n÷y
n÷2 10948707.5
n÷3 7299138.3333333
n÷3 5474353.75
n÷5 4379483

Exponentiation

ny
n2 479496783682225
n3 1.0499740063455E+22
n4 2.299171655616E+29
n5 5.034591589926E+36

Nth Root

y√n
2√n 4679.4673842223
3√n 279.76772829255
4√n 68.406632604027
5√n 29.381811612323

Divisors of 21897415

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 -21897414
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 21897415 can be divided by 4 positive divisors. The sum of these divisors (counting 21897415) is 1, the average is 0.25.

Base conversion 21897415

Base System Value
2 Binary 1010011100010000011000111
3 Ternary 1112012111121101
4 Quaternary 1103202003013
5 Quinary 21101204130
6 Senary 2101200531
8 Octal 123420307
10 Decimal 21897415
12 Duodecimal 7400147
16 Hexadecimal 14e20c7
20 Vigesimal 6gh3af
36 Base36 d1c5j

Cryptographic Hash Functions

md5 b7b494b6419887a73ab4928757207fd9
sha1 e247cf980ede5326aba411ba2b18063605decaff
sha256 762988896ecf9be89437d076552d49c43d691e1cc34e5e20561538f5a0791575
sha512 fa0dbdd964ede40aba2af4bb3065b42c4d0c0a8b938349c206ab2d64831e61bbc4c24a5413a83ca70a4c3d85a84b66dcd92aa6a57ab2288d20efb23127cd70dc
ripemd-160 45978b0c5fc5281b01ee0a48e80e9e752fefaa69

21897415 as geometric shapes

Circle

Radius = n
Diameter 43794830
Circumference 137585516.19321
Area 1.506383573036E+15

Sphere

Radius = n
Volume 4.3981208330603E+22
Surface area 6.025534292144E+15
Circumference 137585516.19321

Square

Length = n
Perimeter 87589660
Area 479496783682225
Diagonal 30967621.273912

Cube

Length = n
Surface area 2876980702093350
Volume 1.0499740063455E+22
Space diagonal 37927435.334421

Equilateral Triangle

Length = n
Perimeter 65692245
Area 2.0762819785087E+14
Altitude 18963717.66721

Triangular Pyramid

Length = n
Surface area 2.0762819785087E+14
Volume 1.2374062332608E+21
Height 10322540.424637