21492287 (number)

21492287 is an odd 8-digits composite number following 21492286 and preceding 21492288. In scientific notation, it is written as 2.1492287 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 20252160 positive integers (up to 21492287) that are relatively prime to 21492287.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-two thousand two hundred eighty-seven

Notation

Scientific notation 2.1492287 × 10^7
Engineering notation 2.1492287 × 10^6

Prime Factorization of 21492287

Prime Factorization 19 × 193 × 5861

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21492287
Product of the distinct prime numbers

The prime factorization of 21492287 is 19 × 193 × 5861. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21492287)

Multiplication

n×y
n×2 42984574
n×3 64476861
n×4 85969148
n×5 107461435

Division

n÷y
n÷2 10746143.5
n÷3 7164095.6666667
n÷3 5373071.75
n÷5 4298457.4

Exponentiation

ny
n2 461918400490369
n3 9.92768283392E+21
n4 2.1336860871158E+29
n5 4.58577937522E+36

Nth Root

y√n
2√n 4635.9774589616
3√n 278.03163296168
4√n 68.088012593713
5√n 29.272278354411

Divisors of 21492287

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21492286
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21492287 can be divided by 8 positive divisors. The sum of these divisors (counting 21492287) is 1, the average is 0.125.

Base conversion 21492287

Base System Value
2 Binary 1010001111111001000111111
3 Ternary 1111102220212122
4 Quaternary 1101333020333
5 Quinary 21000223122
6 Senary 2044353155
8 Octal 121771077
10 Decimal 21492287
12 Duodecimal 72457bb
16 Hexadecimal 147f23f
20 Vigesimal 6e6ae7
36 Base36 csnjz

Cryptographic Hash Functions

md5 da5aa357796cb50b74b2d3a28a8c90a6
sha1 e6f84fbaf4e6fe00dc307035e958496b16031e7b
sha256 59427c710c0d123a467171fc25fa1f5984e08ec0a15a189202d61e5d5d3bd331
sha512 0741837d31c536b0e99322e7c09d6f585897bc664babc0c6f207c365589c4c5eff4b02b4a5fb228e059b23b6c1c349ddf553657da301fe58e4f5616284ce0da8
ripemd-160 d97bb0e5ced6ef5b7ef71e5004e6bf2b2f952ef3

21492287 as geometric shapes

Circle

Radius = n
Diameter 42984574
Circumference 135040021.89609
Area 1.4511594535385E+15

Sphere

Radius = n
Volume 4.158498061095E+22
Surface area 5.804637814154E+15
Circumference 135040021.89609

Square

Length = n
Perimeter 85969148
Area 461918400490369
Diagonal 30394683.761815

Cube

Length = n
Surface area 2771510402942214
Volume 9.92768283392E+21
Space diagonal 37225733.054852

Equilateral Triangle

Length = n
Perimeter 64476861
Area 2.0001653465007E+14
Altitude 18612866.527426

Triangular Pyramid

Length = n
Surface area 2.0001653465007E+14
Volume 1.1699886422223E+21
Height 10131561.253938