21123984 (number)

21123984 is an even 8-digits composite number following 21123983 and preceding 21123985. In scientific notation, it is written as 2.1123984 × 10^7. The sum of its digits is 30. It has a total of 6 prime factors and 20 positive divisors. There are 6035328 positive integers (up to 21123984) that are relatively prime to 21123984.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1123984 × 10^7
Engineering notation 2.1123984 × 10^6

Prime Factorization of 21123984

Prime Factorization 2 × 2 × 2 × 2 × 21 × 62869

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2640498
Product of the distinct prime numbers

The prime factorization of 21123984 is 2 × 2 × 2 × 2 × 21 × 62869. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21123984)

Multiplication

n×y
n×2 42247968
n×3 63371952
n×4 84495936
n×5 105619920

Division

n÷y
n÷2 10561992
n÷3 7041328
n÷3 5280996
n÷5 4224796.8

Exponentiation

ny
n2 446222700032256
n3 9.4260011759182E+21
n4 1.9911469802408E+29
n5 4.2060956952254E+36

Nth Root

y√n
2√n 4596.0835501544
3√n 276.43430886914
4√n 67.794421231798
5√n 29.171258514165

Divisors of 21123984

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21123983
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21123984 can be divided by 20 positive divisors. The sum of these divisors (counting 21123984) is 1, the average is 0.05.

Base conversion 21123984

Base System Value
2 Binary 1010000100101001110010000
3 Ternary 1110202012122210
4 Quaternary 1100211032100
5 Quinary 20401431414
6 Senary 2032432120
8 Octal 120451620
10 Decimal 21123984
12 Duodecimal 70a8640
16 Hexadecimal 1425390
20 Vigesimal 6c09j4
36 Base36 ckrdc

Cryptographic Hash Functions

md5 f29d9d7eb017147f98c45d8b10f81da3
sha1 9beff3eb3e380474ccfa9708cd90b0bd0f284f09
sha256 183fe2364f98050f9c2673e069c28ba46ccaa6ef1a3dbaf642dfd6dad60d93c3
sha512 3d35228e4add46092a6d97cf74c73f74015968782d123324ff84f79c769bf0e973b1636a51f12a2fa3257dbea6d951291b0bba61c9e00cccc9df4426bdb099ef
ripemd-160 8a3bc03e1fc4a52a5b38a4ff343e4db54bf573da

21123984 as geometric shapes

Circle

Radius = n
Diameter 42247968
Circumference 132725905.8979
Area 1.4018499562863E+15

Sphere

Radius = n
Volume 3.9483541395991E+22
Surface area 5.6073998251454E+15
Circumference 132725905.8979

Square

Length = n
Perimeter 84495936
Area 446222700032256
Diagonal 29873824.664152

Cube

Length = n
Surface area 2677336200193536
Volume 9.4260011759182E+21
Space diagonal 36587813.546272

Equilateral Triangle

Length = n
Perimeter 63371952
Area 1.9322009698661E+14
Altitude 18293906.773136

Triangular Pyramid

Length = n
Surface area 1.9322009698661E+14
Volume 1.1108648918274E+21
Height 9957941.5547174