21897712 (number)

21897712 is an even 8-digits composite number following 21897711 and preceding 21897713. In scientific notation, it is written as 2.1897712 × 10^7. The sum of its digits is 37. It has a total of 6 prime factors and 20 positive divisors. There are 10928960 positive integers (up to 21897712) that are relatively prime to 21897712.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred ninety-seven thousand seven hundred twelve

Notation

Scientific notation 2.1897712 × 10^7
Engineering notation 2.1897712 × 10^6

Prime Factorization of 21897712

Prime Factorization 2 × 2 × 2 × 2 × 821 × 1667

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2737214
Product of the distinct prime numbers

The prime factorization of 21897712 is 2 × 2 × 2 × 2 × 821 × 1667. Since it has a total of 6 prime factors.

Most popular turbo-numbers

3, 8, 41, 68, 565, 978, 2019, 9770, 35492, 32315, 964828, 935188, 6395447, 2767244, 19004542, 94309207, 421613402, 721857137, 9382883896, 4821652908

Basic calculations (n = 21897712)

Multiplication

n×y
n×2 43795424
n×3 65693136
n×4 87590848
n×5 109488560

Division

n÷y
n÷2 10948856
n÷3 7299237.3333333
n÷3 5474428
n÷5 4379542.4

Exponentiation

ny
n2 479509790834944
n3 1.0500167300884E+22
n4 2.2992963950657E+29
n5 5.0349330261787E+36

Nth Root

y√n
2√n 4679.4991184955
3√n 279.76899313956
4√n 68.406864556823
5√n 29.381891314431

Divisors of 21897712

1, 2, 4, 8, 16, 821, 1642, 1667, 3284, 3334, 6568, 6668, 13136, 13336, 26672, 1368607, 2737214, 5474428, 10948856, 21897712

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21897711
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21897712 can be divided by 20 positive divisors. The sum of these divisors (counting 21897712) is 1, the average is 0.05.

Base conversion 21897712

Base System Value
2 Binary 1010011100010000111110000
3 Ternary 1112012112000101
4 Quaternary 1103202013300
5 Quinary 21101211322
6 Senary 2101202144
8 Octal 123420760
10 Decimal 21897712
12 Duodecimal 7400354
16 Hexadecimal 14e21f0
20 Vigesimal 6gh45c
36 Base36 d1cds

Cryptographic Hash Functions

md5 3e21ec8ee007d3541a1c30e98deed7df
sha1 607f199f6e9347a387fe32d927af4b4b641faf24
sha256 93c4e90901e80d3404b9656d519adeb6ebc239c37cc3b1ad91ae307b1f508fca
sha512 511f8b1efe8904b9d9e823992c8046f8f5629ed459e4dd3e37eb787ba303fda3261c98edd822a4c8e46ed9df9c3b55223f955b74f307d62c6628670d0055fc3e
ripemd-160 c5db33919641af3f8a098f59376b4ccd375adcb4

21897712 as geometric shapes

Circle

Radius = n
Diameter 43795424
Circumference 137587382.29925
Area 1.5064244362114E+15

Sphere

Radius = n
Volume 4.3982997938561E+22
Surface area 6.0256977448458E+15
Circumference 137587382.29925

Square

Length = n
Perimeter 87590848
Area 479509790834944
Diagonal 30968041.29534

Cube

Length = n
Surface area 2877058745009664
Volume 1.0500167300884E+22
Space diagonal 37927949.753511

Equilateral Triangle

Length = n
Perimeter 65693136
Area 2.0763383011321E+14
Altitude 18963974.876755

Triangular Pyramid

Length = n
Surface area 2.0763383011321E+14
Volume 1.2374565836747E+21
Height 10322680.43178