21304987 (number)

21304987 is an odd 8-digits composite number following 21304986 and preceding 21304988. In scientific notation, it is written as 2.1304987 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 19368160 positive integers (up to 21304987) that are relatively prime to 21304987.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred four thousand nine hundred eighty-seven

Notation

Scientific notation 2.1304987 × 10^7
Engineering notation 2.1304987 × 10^6

Prime Factorization of 21304987

Prime Factorization 11 × 1936817

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21304987
Product of the distinct prime numbers

The prime factorization of 21304987 is 11 × 1936817. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21304987)

Multiplication

n×y
n×2 42609974
n×3 63914961
n×4 85219948
n×5 106524935

Division

n÷y
n÷2 10652493.5
n÷3 7101662.3333333
n÷3 5326246.75
n÷5 4260997.4

Exponentiation

ny
n2 453902471070169
n3 9.6703862454178E+21
n4 2.0602745324361E+29
n5 4.3894122129981E+36

Nth Root

y√n
2√n 4615.7325529108
3√n 277.22161623196
4√n 67.939182751272
5√n 29.221079424958

Divisors of 21304987

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 -21304986
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 21304987 can be divided by 4 positive divisors. The sum of these divisors (counting 21304987) is 1, the average is 0.25.

Base conversion 21304987

Base System Value
2 Binary 1010001010001011010011011
3 Ternary 1111002101221121
4 Quaternary 1101101122123
5 Quinary 20423224422
6 Senary 2040350111
8 Octal 121213233
10 Decimal 21304987
12 Duodecimal 7175337
16 Hexadecimal 145169b
20 Vigesimal 6d3297
36 Base36 con17

Cryptographic Hash Functions

md5 44bc100ed38566abd3872c008c6cdfdd
sha1 e2d44ca3be00bae148f562397d6907b56453b28b
sha256 17460d61fc6e3bafd3194dc088ca1161fffec01437ac9ce6fb9183c6bc7351ff
sha512 8d36e078e561c82929ce4efe20964723013e717bae051b04ad34a1d7b8df6816920d5dd994620968fbd99edfdc995357b28985fc3dda955a2c27b7c30430b312
ripemd-160 bdb87fbdafc90e302d40ff466790ca5d85d8a5c9

21304987 as geometric shapes

Circle

Radius = n
Diameter 42609974
Circumference 133863181.28805
Area 1.4259766685603E+15

Sphere

Radius = n
Volume 4.0507219181307E+22
Surface area 5.7039066742412E+15
Circumference 133863181.28805

Square

Length = n
Perimeter 85219948
Area 453902471070169
Diagonal 30129801.561582

Cube

Length = n
Surface area 2723414826421014
Volume 9.6703862454178E+21
Space diagonal 36901319.938594

Equilateral Triangle

Length = n
Perimeter 63914961
Area 1.9654553539365E+14
Altitude 18450659.969297

Triangular Pyramid

Length = n
Surface area 1.9654553539365E+14
Volume 1.1396659484713E+21
Height 10043267.187194