21556087 (number)

21556087 is an odd 8-digits composite number following 21556086 and preceding 21556088. In scientific notation, it is written as 2.1556087 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 18476640 positive integers (up to 21556087) that are relatively prime to 21556087.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-six thousand eighty-seven

Notation

Scientific notation 2.1556087 × 10^7
Engineering notation 2.1556087 × 10^6

Prime Factorization of 21556087

Prime Factorization 7 × 3079441

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21556087
Product of the distinct prime numbers

The prime factorization of 21556087 is 7 × 3079441. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21556087)

Multiplication

n×y
n×2 43112174
n×3 64668261
n×4 86224348
n×5 107780435

Division

n÷y
n÷2 10778043.5
n÷3 7185362.3333333
n÷3 5389021.75
n÷5 4311217.4

Exponentiation

ny
n2 464664886751569
n3 1.0016356724662E+22
n4 2.1591345697985E+29
n5 4.6542492631284E+36

Nth Root

y√n
2√n 4642.8533252732
3√n 278.30647411543
4√n 68.138486373511
5√n 29.289636746667

Divisors of 21556087

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 -21556086
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 21556087 can be divided by 4 positive divisors. The sum of these divisors (counting 21556087) is 1, the average is 0.25.

Base conversion 21556087

Base System Value
2 Binary 1010010001110101101110111
3 Ternary 1111120011101121
4 Quaternary 1102032231313
5 Quinary 21004243322
6 Senary 2050004411
8 Octal 122165567
10 Decimal 21556087
12 Duodecimal 7276707
16 Hexadecimal 148eb77
20 Vigesimal 6eea47
36 Base36 cu0s7

Cryptographic Hash Functions

md5 843806513079f94f0476c447342526fb
sha1 4507a6c8fb935f19dee6231a32b9d8baba2c633d
sha256 0844a383e490f4f9973cf610df7f770484edd429987eb9b63f5dc001b2654d8d
sha512 76c5f941c247d6fb0dfd2559c1dbcc2b6e193f27942a25ab755798491fdd3b62705c15b5703f81ca1f19a22c9e96c2e4d38d68e56d534e125a8a450a11fa031f
ripemd-160 513fdb4fb6700281cdd0cc686ac456a749bec9a0

21556087 as geometric shapes

Circle

Radius = n
Diameter 43112174
Circumference 135440889.11868
Area 1.4597877945999E+15

Sphere

Radius = n
Volume 4.195641693591E+22
Surface area 5.8391511783994E+15
Circumference 135440889.11868

Square

Length = n
Perimeter 86224348
Area 464664886751569
Diagonal 30484910.587094

Cube

Length = n
Surface area 2787989320509414
Volume 1.0016356724662E+22
Space diagonal 37336237.896375

Equilateral Triangle

Length = n
Perimeter 64668261
Area 2.0120579808674E+14
Altitude 18668118.948187

Triangular Pyramid

Length = n
Surface area 2.0120579808674E+14
Volume 1.1804389604653E+21
Height 10161636.862365