21756087 (number)

21756087 is an odd 8-digits composite number following 21756086 and preceding 21756088. In scientific notation, it is written as 2.1756087 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 14391000 positive integers (up to 21756087) that are relatively prime to 21756087.

Interesting facts

Basic properties

Name

Name twenty-one million seven hundred fifty-six thousand eighty-seven

Notation

Scientific notation 2.1756087 × 10^7
Engineering notation 2.1756087 × 10^6

Prime Factorization of 21756087

Prime Factorization 9 × 3 × 131 × 6151

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21756087
Product of the distinct prime numbers

The prime factorization of 21756087 is 9 × 3 × 131 × 6151. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 3, 64, 60, 797, 266, 9796, 7563, 35446, 49487, 552111, 519238, 6137007, 4930065, 7335201, 30293612, 686454762, 550830262, 1858727044, 4604810521

Basic calculations (n = 21756087)

Multiplication

n×y
n×2 43512174
n×3 65268261
n×4 87024348
n×5 108780435

Division

n÷y
n÷2 10878043.5
n÷3 7252029
n÷3 5439021.75
n÷5 4351217.4

Exponentiation

ny
n2 473327321551569
n3 1.0297750387153E+22
n4 2.2403875332718E+29
n5 4.8742066087577E+36

Nth Root

y√n
2√n 4664.3420757916
3√n 279.1645462476
4√n 68.295988724021
5√n 29.343786717101

Divisors of 21756087

1, 3, 9, 27, 131, 393, 1179, 3537, 6151, 18453, 55359, 166077, 805781, 2417343, 7252029, 21756087

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21756086
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21756087 can be divided by 16 positive divisors. The sum of these divisors (counting 21756087) is 1, the average is 0.0625.

Base conversion 21756087

Base System Value
2 Binary 1010010111111100010110111
3 Ternary 1111221022202000
4 Quaternary 1102333202313
5 Quinary 21032143322
6 Senary 2054150343
8 Octal 122774267
10 Decimal 21756087
12 Duodecimal 73523b3
16 Hexadecimal 14bf8b7
20 Vigesimal 6fja47
36 Base36 cyb3r

Cryptographic Hash Functions

md5 55cc5f7ef8f44b161346b063170223bd
sha1 88a28523fd6b782171b4acf28104d1166dccbce7
sha256 df95c0910c8ee919a3eed800cbd05e375832e347e99657bb66858024372f2188
sha512 6ee7543c8d8c85b3da5649a0a3f2f085af3a3bac47092826006c1dac55a8fc113e2ca0eed63e42ba4a264eb89e5079ad8c078c8cb52a88f4bf6bb73fb17cb03e
ripemd-160 f9828030fce6f34068de059e480f367dec5f0fbb

21756087 as geometric shapes

Circle

Radius = n
Diameter 43512174
Circumference 136697526.18012
Area 1.4870016361297E+15

Sphere

Radius = n
Volume 4.3135115953041E+22
Surface area 5.948006544519E+15
Circumference 136697526.18012

Square

Length = n
Perimeter 87024348
Area 473327321551569
Diagonal 30767753.299569

Cube

Length = n
Surface area 2839963929309414
Volume 1.0297750387153E+22
Space diagonal 37682648.057889

Equilateral Triangle

Length = n
Perimeter 65268261
Area 2.0495674238445E+14
Altitude 18841324.028944

Triangular Pyramid

Length = n
Surface area 2.0495674238445E+14
Volume 1.2136015216204E+21
Height 10255917.766523