21087744 (number)

21087744 is an even 8-digits composite number following 21087743 and preceding 21087745. In scientific notation, it is written as 2.1087744 × 10^7. The sum of its digits is 33. It has a total of 11 prime factors and 40 positive divisors. There are 7028736 positive integers (up to 21087744) that are relatively prime to 21087744.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-seven thousand seven hundred forty-four

Notation

Scientific notation 2.1087744 × 10^7
Engineering notation 2.1087744 × 10^6

Prime Factorization of 21087744

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 13729

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 11
Total number of prime factors
rad Radical 82374
Product of the distinct prime numbers

The prime factorization of 21087744 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 13729. Since it has a total of 11 prime factors.

Most popular turbo-numbers

3, 10, 35, 48, 207, 952, 278, 4095, 70127, 34976, 913603, 453353, 6512526, 3779199, 64855657, 34515139, 397664420, 171874971, 9251959874, 4813641545

Basic calculations (n = 21087744)

Multiplication

n×y
n×2 42175488
n×3 63263232
n×4 84350976
n×5 105438720

Division

n÷y
n÷2 10543872
n÷3 7029248
n÷3 5271936
n÷5 4217548.8

Exponentiation

ny
n2 444692947009536
n3 9.3775710251427E+21
n4 1.9775181712003E+29
n5 4.1701396949619E+36

Nth Root

y√n
2√n 4592.1393707073
3√n 276.27613615387
4√n 67.765325725678
5√n 29.161242481016

Divisors of 21087744

1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, 1536, 13729, 27458, 41187, 54916, 82374, 109832, 164748, 219664, 329496, 439328, 658992, 878656, 1317984, 1757312, 2635968, 3514624, 5271936, 7029248, 10543872, 21087744

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21087743
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21087744 can be divided by 40 positive divisors. The sum of these divisors (counting 21087744) is 1, the average is 0.025.

Base conversion 21087744

Base System Value
2 Binary 1010000011100011000000000
3 Ternary 1110200100221120
4 Quaternary 1100130120000
5 Quinary 20344301434
6 Senary 2031552240
8 Octal 120343000
10 Decimal 21087744
12 Duodecimal 708b680
16 Hexadecimal 141c600
20 Vigesimal 6bfj74
36 Base36 cjzeo

Cryptographic Hash Functions

md5 7fec13f2d702ef5511201dc1ec6372bc
sha1 7b9191b8aa4574ac54e3c3e6f0be477da765f2d6
sha256 b91cb8512e1c246fcdca93eca28c11c4a5f895c71145797ee2ef674b5a21e036
sha512 9852d21d40658b01997bb02dde43f9ea93ad0b6c1f736b2a75218744f79b89f453595b6bcd81434258e1958c125cface01f4dccebd4f584fc6565c9b4f1c913e
ripemd-160 9513b74c93daf9fe5fe5ddd2b58f550b2db12e37

21087744 as geometric shapes

Circle

Radius = n
Diameter 42175488
Circumference 132498203.26236
Area 1.3970440954284E+15

Sphere

Radius = n
Volume 3.9280677654806E+22
Surface area 5.5881763817134E+15
Circumference 132498203.26236

Square

Length = n
Perimeter 84350976
Area 444692947009536
Diagonal 29822573.564652

Cube

Length = n
Surface area 2668157682057216
Volume 9.3775710251427E+21
Space diagonal 36525044.025006

Equilateral Triangle

Length = n
Perimeter 63263232
Area 1.9255769449701E+14
Altitude 18262522.012503

Triangular Pyramid

Length = n
Surface area 1.9255769449701E+14
Volume 1.1051573438228E+21
Height 9940857.854884