21006984 (number)

21006984 is an even 8-digits composite number following 21006983 and preceding 21006985. In scientific notation, it is written as 2.1006984 × 10^7. The sum of its digits is 30. It has a total of 6 prime factors and 32 positive divisors. There are 6982272 positive integers (up to 21006984) that are relatively prime to 21006984.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1006984 × 10^7
Engineering notation 2.1006984 × 10^6

Prime Factorization of 21006984

Prime Factorization 2 × 2 × 2 × 3 × 419 × 2089

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5251746
Product of the distinct prime numbers

The prime factorization of 21006984 is 2 × 2 × 2 × 3 × 419 × 2089. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21006984)

Multiplication

n×y
n×2 42013968
n×3 63020952
n×4 84027936
n×5 105034920

Division

n÷y
n÷2 10503492
n÷3 7002328
n÷3 5251746
n÷5 4201396.8

Exponentiation

ny
n2 441293376776256
n3 9.2702429052448E+21
n4 1.9473984438659E+29
n5 4.0908967951916E+36

Nth Root

y√n
2√n 4583.3376484828
3√n 275.92299889337
4√n 67.700351908117
5√n 29.138872350393

Divisors of 21006984

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21006983
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21006984 can be divided by 32 positive divisors. The sum of these divisors (counting 21006984) is 1, the average is 0.03125.

Base conversion 21006984

Base System Value
2 Binary 1010000001000101010001000
3 Ternary 1110112021011110
4 Quaternary 1100020222020
5 Quinary 20334210414
6 Senary 2030130320
8 Octal 120105210
10 Decimal 21006984
12 Duodecimal 70509a0
16 Hexadecimal 1408a88
20 Vigesimal 6b5h94
36 Base36 ci93c

Cryptographic Hash Functions

md5 5f3e5d29894ffaf8c92d9b235cd9603d
sha1 f07a50e6b14f206aff1f97c038fa983cc51083c5
sha256 09a1214083cd1f7f7a5d9b769b5479be0d812b0c0b4a2354c6161acde8cb7e12
sha512 fbe0c33ff11c7fa1ead93803cb63d8137b05e5a1080b13648ce5062c7a229593e0256f458d660c2b421a98518f3b7aac207f86ff72cc730a7d42beb5d364b055
ripemd-160 ac5329e803897c1d4f8d79abb6a0a23b3db9dffc

21006984 as geometric shapes

Circle

Radius = n
Diameter 42013968
Circumference 131990773.21696
Area 1.3863640305581E+15

Sphere

Radius = n
Volume 3.883110267748E+22
Surface area 5.5454561222325E+15
Circumference 131990773.21696

Square

Length = n
Perimeter 84027936
Area 441293376776256
Diagonal 29708361.677355

Cube

Length = n
Surface area 2647760260657536
Volume 9.2702429052448E+21
Space diagonal 36385163.601786

Equilateral Triangle

Length = n
Perimeter 63020952
Area 1.9108563740503E+14
Altitude 18192581.800893

Triangular Pyramid

Length = n
Surface area 1.9108563740503E+14
Volume 1.0925086035908E+21
Height 9902787.2257849