21082287 (number)

21082287 is an odd 8-digits composite number following 21082286 and preceding 21082288. In scientific notation, it is written as 2.1082287 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 13576992 positive integers (up to 21082287) that are relatively prime to 21082287.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1082287 × 10^7
Engineering notation 2.1082287 × 10^6

Prime Factorization of 21082287

Prime Factorization 3 × 53 × 67 × 1979

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21082287
Product of the distinct prime numbers

The prime factorization of 21082287 is 3 × 53 × 67 × 1979. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21082287)

Multiplication

n×y
n×2 42164574
n×3 63246861
n×4 84329148
n×5 105411435

Division

n÷y
n÷2 10541143.5
n÷3 7027429
n÷3 5270571.75
n÷5 4216457.4

Exponentiation

ny
n2 444462825150369
n3 9.3702928406509E+21
n4 1.9754720294065E+29
n5 4.164746828442E+36

Nth Root

y√n
2√n 4591.5451647566
3√n 276.2523028957
4√n 67.760941291843
5√n 29.159733079397

Divisors of 21082287

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21082286
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21082287 can be divided by 16 positive divisors. The sum of these divisors (counting 21082287) is 1, the average is 0.0625.

Base conversion 21082287

Base System Value
2 Binary 1010000011011000010101111
3 Ternary 1110200002110110
4 Quaternary 1100123002233
5 Quinary 20344113122
6 Senary 2031511103
8 Octal 120330257
10 Decimal 21082287
12 Duodecimal 7088493
16 Hexadecimal 141b0af
20 Vigesimal 6bf5e7
36 Base36 cjv73

Cryptographic Hash Functions

md5 410c209ed556c7fd31923c1d93bff5b1
sha1 eb77e052c7a72f168940959d228278ea4ac58211
sha256 1f19755fbec38e320871560bca4403dedd7c57870e7b3bfcce04d5f9604ea25b
sha512 9ec7512f9530fac2a3487aa7ab4a93fb69ba6dea6a2ac8e5839728797b2e0a953fe4da58f053988162fbfb7a61e2b85bc3d313144ad69b59af3b496572b7781d
ripemd-160 dcbc3f3f3fd52e7e9c0d5ef87662c783253f146b

21082287 as geometric shapes

Circle

Radius = n
Diameter 42164574
Circumference 132463915.92014
Area 1.3963211462862E+15

Sphere

Radius = n
Volume 3.9250190866899E+22
Surface area 5.5852845851447E+15
Circumference 132463915.92014

Square

Length = n
Perimeter 84329148
Area 444462825150369
Diagonal 29814856.201242

Cube

Length = n
Surface area 2666776950902214
Volume 9.3702928406509E+21
Space diagonal 36515592.223749

Equilateral Triangle

Length = n
Perimeter 63246861
Area 1.9245804880901E+14
Altitude 18257796.111874

Triangular Pyramid

Length = n
Surface area 1.9245804880901E+14
Volume 1.1042996015547E+21
Height 9938285.400414