21897412 (number)

21897412 is an even 8-digits composite number following 21897411 and preceding 21897413. In scientific notation, it is written as 2.1897412 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors. There are 10938440 positive integers (up to 21897412) that are relatively prime to 21897412.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1897412 × 10^7
Engineering notation 2.1897412 × 10^6

Prime Factorization of 21897412

Prime Factorization 2 × 2 × 1511 × 3623

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10948706
Product of the distinct prime numbers

The prime factorization of 21897412 is 2 × 2 × 1511 × 3623. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 6, 26, 65, 356, 810, 6004, 642, 28940, 39389, 795244, 386757, 6808414, 5120142, 5004148, 41693573, 636607423, 774307316, 3765151905, 4710124730

Basic calculations (n = 21897412)

Multiplication

n×y
n×2 43794824
n×3 65692236
n×4 87589648
n×5 109487060

Division

n÷y
n÷2 10948706
n÷3 7299137.3333333
n÷3 5474353
n÷5 4379482.4

Exponentiation

ny
n2 479496652297744
n3 1.0499735747984E+22
n4 2.2991703956474E+29
n5 5.0345881411695E+36

Nth Root

y√n
2√n 4679.467063673
3√n 279.76771551626
4√n 68.406630261057
5√n 29.381810807246

Divisors of 21897412

1, 2, 4, 1511, 3022, 3623, 6044, 7246, 14492, 5474353, 10948706, 21897412

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21897411
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21897412 can be divided by 12 positive divisors. The sum of these divisors (counting 21897412) is 1, the average is 0.083333333333333.

Base conversion 21897412

Base System Value
2 Binary 1010011100010000011000100
3 Ternary 1112012111121021
4 Quaternary 1103202003010
5 Quinary 21101204122
6 Senary 2101200524
8 Octal 123420304
10 Decimal 21897412
12 Duodecimal 7400144
16 Hexadecimal 14e20c4
20 Vigesimal 6gh3ac
36 Base36 d1c5g

Cryptographic Hash Functions

md5 1d1e25583c867bb4a0ae6f0f5819afda
sha1 60d156f85e3e1d6ab105f5e8b0d58faf64f728c2
sha256 142fbdb105a9fa5686acd58bf1b330d9d2c56b1d7cec3ef8dee14c17e8eaa95b
sha512 54ffac59f4a75dcb6ae471798825a8838927ce1ab27a2bf994e4d7b510de626b79daa9ed7bbd55d090527315782dc526a9141401aa635f38db8c1e92492dac87
ripemd-160 c53d22ef4ff9bac89fe2be80a492a2d7ceb9e8ad

21897412 as geometric shapes

Circle

Radius = n
Diameter 43794824
Circumference 137585497.34366
Area 1.5063831602795E+15

Sphere

Radius = n
Volume 4.3981190254003E+22
Surface area 6.025532641118E+15
Circumference 137585497.34366

Square

Length = n
Perimeter 87589648
Area 479496652297744
Diagonal 30967617.031271

Cube

Length = n
Surface area 2876979913786464
Volume 1.0499735747984E+22
Space diagonal 37927430.138268

Equilateral Triangle

Length = n
Perimeter 65692236
Area 2.0762814095972E+14
Altitude 18963715.069134

Triangular Pyramid

Length = n
Surface area 2.0762814095972E+14
Volume 1.2374057246778E+21
Height 10322539.010424