21492689 (number)

21492689 is an odd 8-digits composite number following 21492688 and preceding 21492690. In scientific notation, it is written as 2.1492689 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 21479280 positive integers (up to 21492689) that are relatively prime to 21492689.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-two thousand six hundred eighty-nine

Notation

Scientific notation 2.1492689 × 10^7
Engineering notation 2.1492689 × 10^6

Prime Factorization of 21492689

Prime Factorization 1861 × 11549

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21492689
Product of the distinct prime numbers

The prime factorization of 21492689 is 1861 × 11549. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21492689)

Multiplication

n×y
n×2 42985378
n×3 64478067
n×4 85970756
n×5 107463445

Division

n÷y
n÷2 10746344.5
n÷3 7164229.6666667
n÷3 5373172.25
n÷5 4298537.8

Exponentiation

ny
n2 461935680450721
n3 9.9282399179307E+21
n4 2.1338457287347E+29
n5 4.5862082621673E+36

Nth Root

y√n
2√n 4636.0208153113
3√n 278.03336642106
4√n 68.088330977572
5√n 29.272387857581

Divisors of 21492689

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 -21492688
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 21492689 can be divided by 4 positive divisors. The sum of these divisors (counting 21492689) is 1, the average is 0.25.

Base conversion 21492689

Base System Value
2 Binary 1010001111111001111010001
3 Ternary 1111102221102112
4 Quaternary 1101333033101
5 Quinary 21000231224
6 Senary 2044355105
8 Octal 121771721
10 Decimal 21492689
12 Duodecimal 7245a95
16 Hexadecimal 147f3d1
20 Vigesimal 6e6be9
36 Base36 csnv5

Cryptographic Hash Functions

md5 316f4212adb7d3ab5d412b2b555210b3
sha1 48afc80361c3b79dd3d8f1f5ade41592c388ae2a
sha256 783f5f23601a55ad58f0875066fdd2afd3ce9add83526be9be824a6349f95e08
sha512 d7522a174908dfdd8f7e950b497246f780fcc1605e199be69956529f70c867eb5fd8e3baf078d3685b3dc12b9b8492956a821dea8fe0da55b24c1b9a0bc32296
ripemd-160 82a4da3ad721f0387f0deb89d95476eac4782fa1

21492689 as geometric shapes

Circle

Radius = n
Diameter 42985378
Circumference 135042547.73658
Area 1.451213740135E+15

Sphere

Radius = n
Volume 4.1587314118997E+22
Surface area 5.8048549605399E+15
Circumference 135042547.73658

Square

Length = n
Perimeter 85970756
Area 461935680450721
Diagonal 30395252.275667

Cube

Length = n
Surface area 2771614082704326
Volume 9.9282399179307E+21
Space diagonal 37226429.339277

Equilateral Triangle

Length = n
Perimeter 64478067
Area 2.0002401709239E+14
Altitude 18613214.669638

Triangular Pyramid

Length = n
Surface area 2.0002401709239E+14
Volume 1.1700542952026E+21
Height 10131750.758556