21897425 (number)

21897425 is an odd 8-digits composite number following 21897424 and preceding 21897426. In scientific notation, it is written as 2.1897425 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors. There are 15925200 positive integers (up to 21897425) that are relatively prime to 21897425.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1897425 × 10^7
Engineering notation 2.1897425 × 10^6

Prime Factorization of 21897425

Prime Factorization 11 × 5 × 5 × 79627

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 4379485
Product of the distinct prime numbers

The prime factorization of 21897425 is 11 × 5 × 5 × 79627. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 10, 15, 8, 852, 836, 3992, 7075, 69531, 82349, 802540, 565315, 7195560, 1317118, 28234498, 72895722, 64854947, 233971403, 5217632153, 7412796723

Basic calculations (n = 21897425)

Multiplication

n×y
n×2 43794850
n×3 65692275
n×4 87589700
n×5 109487125

Division

n÷y
n÷2 10948712.5
n÷3 7299141.6666667
n÷3 5474356.25
n÷5 4379485

Exponentiation

ny
n2 479497221630625
n3 1.0499754448365E+22
n4 2.2991758555149E+29
n5 5.0346030857948E+36

Nth Root

y√n
2√n 4679.4684527198
3√n 279.76777088018
4√n 68.406640413923
5√n 29.381814295909

Divisors of 21897425

1, 5, 11, 25, 55, 275, 79627, 398135, 875897, 1990675, 4379485, 21897425

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 -21897424
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 21897425 can be divided by 12 positive divisors. The sum of these divisors (counting 21897425) is 1, the average is 0.083333333333333.

Base conversion 21897425

Base System Value
2 Binary 1010011100010000011010001
3 Ternary 1112012111121202
4 Quaternary 1103202003101
5 Quinary 21101204200
6 Senary 2101200545
8 Octal 123420321
10 Decimal 21897425
12 Duodecimal 7400155
16 Hexadecimal 14e20d1
20 Vigesimal 6gh3b5
36 Base36 d1c5t

Cryptographic Hash Functions

md5 75f8d13732d641d52d62b6bf92318772
sha1 42f910b3c59c9eaf084489880ded89944fe9bdaf
sha256 e41bfe1a85f7ad673eef2e991a68665de8a1dd48b807cff0a6271e99baad31d0
sha512 f087433a4b9b9796046bcce297f1839d744f9d15571446a60145d9049b5289fd28b0546cf1bc89957a15e6cc5cf06c20def83dc88bd339ae2364e021aada31a4
ripemd-160 2d07873fd72ca3b9c5b2a58f9e73579c508e8dce

21897425 as geometric shapes

Circle

Radius = n
Diameter 43794850
Circumference 137585579.02507
Area 1.5063849488915E+15

Sphere

Radius = n
Volume 4.3981268585974E+22
Surface area 6.025539795566E+15
Circumference 137585579.02507

Square

Length = n
Perimeter 87589700
Area 479497221630625
Diagonal 30967635.416048

Cube

Length = n
Surface area 2876983329783750
Volume 1.0499754448365E+22
Space diagonal 37927452.654929

Equilateral Triangle

Length = n
Perimeter 65692275
Area 2.0762838748809E+14
Altitude 18963726.327464

Triangular Pyramid

Length = n
Surface area 2.0762838748809E+14
Volume 1.2374079285388E+21
Height 10322545.138683