21369984 (number)

21369984 is an even 8-digits composite number following 21369983 and preceding 21369985. In scientific notation, it is written as 2.1369984 × 10^7. The sum of its digits is 42. It has a total of 11 prime factors and 128 positive divisors. There are 6451200 positive integers (up to 21369984) that are relatively prime to 21369984.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1369984 × 10^7
Engineering notation 2.1369984 × 10^6

Prime Factorization of 21369984

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 19 × 101 × 29

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 11
Total number of prime factors
rad Radical 333906
Product of the distinct prime numbers

The prime factorization of 21369984 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 19 × 101 × 29. Since it has a total of 11 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21369984)

Multiplication

n×y
n×2 42739968
n×3 64109952
n×4 85479936
n×5 106849920

Division

n÷y
n÷2 10684992
n÷3 7123328
n÷3 5342496
n÷5 4273996.8

Exponentiation

ny
n2 456676216160256
n3 9.7591634325252E+21
n4 2.0855316640645E+29
n5 4.4567778292551E+36

Nth Root

y√n
2√n 4622.7680019659
3√n 277.50324482855
4√n 67.990940587448
5√n 29.238887171186

Divisors of 21369984

128 divisors

τ Total Divisors 128
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21369983
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0078125
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 128
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21369984 can be divided by 128 positive divisors. The sum of these divisors (counting 21369984) is 1, the average is 0.0078125.

Base conversion 21369984

Base System Value
2 Binary 1010001100001010010000000
3 Ternary 1111012201002220
4 Quaternary 1101201102000
5 Quinary 20432314414
6 Senary 2042011040
8 Octal 121412200
10 Decimal 21369984
12 Duodecimal 71a6a80
16 Hexadecimal 1461480
20 Vigesimal 6db4j4
36 Base36 cq16o

Cryptographic Hash Functions

md5 9a26259c4114950577eeaf1252554885
sha1 a4bf08f53d4db07fac78fc4c2aef9f316e315c39
sha256 6c25c0cc41c2aca0a18451fa85341b0b831cb00d59505469827db144d28f6906
sha512 2882ae205a90b1d9f73154ff74a9c9f008ebc5989289c983c25cb638472791218508c012e6782ca75b0051e2f24148ed3feaa5f635a6a0c396234d947b4b2e69
ripemd-160 7a1415c6faa154562bbf9a71707883d19841efff

21369984 as geometric shapes

Circle

Radius = n
Diameter 42739968
Circumference 134271569.48346
Area 1.4346906457582E+15

Sphere

Radius = n
Volume 4.0879088193071E+22
Surface area 5.738762583033E+15
Circumference 134271569.48346

Square

Length = n
Perimeter 85479936
Area 456676216160256
Diagonal 30221721.200496

Cube

Length = n
Surface area 2740057296961536
Volume 9.7591634325252E+21
Space diagonal 37013898.044934

Equilateral Triangle

Length = n
Perimeter 64109952
Area 1.9774660224947E+14
Altitude 18506949.022467

Triangular Pyramid

Length = n
Surface area 1.9774660224947E+14
Volume 1.1501284403077E+21
Height 10073907.066832