21897460 (number)

21897460 is an even 8-digits composite number following 21897459 and preceding 21897461. In scientific notation, it is written as 2.1897460 × 10^7. The sum of its digits is 37. It has a total of 5 prime factors and 24 positive divisors. There are 8085120 positive integers (up to 21897460) that are relatively prime to 21897460.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1897460 × 10^7
Engineering notation 2.1897460 × 10^6

Prime Factorization of 21897460

Prime Factorization 2 × 2 × 5 × 13 × 84221

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10948730
Product of the distinct prime numbers

The prime factorization of 21897460 is 2 × 2 × 5 × 13 × 84221. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 9, 63, 70, 683, 359, 7716, 6740, 84465, 80419, 373663, 823286, 1157229, 6008422, 69303247, 75897676, 41768990, 854811937, 4365688890, 3314618563

Basic calculations (n = 21897460)

Multiplication

n×y
n×2 43794920
n×3 65692380
n×4 87589840
n×5 109487300

Division

n÷y
n÷2 10948730
n÷3 7299153.3333333
n÷3 5474365
n÷5 4379492

Exponentiation

ny
n2 479498754451600
n3 1.0499804795654E+22
n4 2.2991905552064E+29
n5 5.0346433215009E+36

Nth Root

y√n
2√n 4679.4721924593
3√n 279.76791993677
4√n 68.406667748541
5√n 29.381823688455

Divisors of 21897460

1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 84221, 168442, 336884, 421105, 842210, 1094873, 1684420, 2189746, 4379492, 5474365, 10948730, 21897460

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21897459
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21897460 can be divided by 24 positive divisors. The sum of these divisors (counting 21897460) is 1, the average is 0.041666666666667.

Base conversion 21897460

Base System Value
2 Binary 1010011100010000011110100
3 Ternary 1112012111200001
4 Quaternary 1103202003310
5 Quinary 21101204320
6 Senary 2101201044
8 Octal 123420364
10 Decimal 21897460
12 Duodecimal 7400184
16 Hexadecimal 14e20f4
20 Vigesimal 6gh3d0
36 Base36 d1c6s

Cryptographic Hash Functions

md5 e27d78094f135907b894bfd9a27616bc
sha1 ac8ae247eb838bf411971095de93c6eb9c97c332
sha256 da548b18465c64cce6ccd72ca85506f6a58ae12e4f0d17b73730a7ec5141d882
sha512 61a158f751aa0815894db8efbcaa878cee3f4cd99db3d4896b93c89a2ec5d98de65dbed66d41182d57ad54124331718fc451cf337917fe7a7627b0e793624923
ripemd-160 206e3a19731e203f1141cee3f2166fe09201db7e

21897460 as geometric shapes

Circle

Radius = n
Diameter 43794920
Circumference 137585798.93655
Area 1.5063897643906E+15

Sphere

Radius = n
Volume 4.3981479480204E+22
Surface area 6.0255590575624E+15
Circumference 137585798.93655

Square

Length = n
Perimeter 87589840
Area 479498754451600
Diagonal 30967684.913522

Cube

Length = n
Surface area 2876992526709600
Volume 1.0499804795654E+22
Space diagonal 37927513.276707

Equilateral Triangle

Length = n
Perimeter 65692380
Area 2.0762905121904E+14
Altitude 18963756.638354

Triangular Pyramid

Length = n
Surface area 2.0762905121904E+14
Volume 1.2374138620236E+21
Height 10322561.637841