21006940 (number)

21006940 is an even 8-digits composite number following 21006939 and preceding 21006941. In scientific notation, it is written as 2.1006940 × 10^7. The sum of its digits is 22. It has a total of 5 prime factors and 24 positive divisors. There are 8379840 positive integers (up to 21006940) that are relatively prime to 21006940.

Interesting facts

Basic properties

Name

Name twenty-one million six thousand nine hundred forty

Notation

Scientific notation 2.1006940 × 10^7
Engineering notation 2.1006940 × 10^6

Prime Factorization of 21006940

Prime Factorization 2 × 2 × 5 × 431 × 2437

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10503470
Product of the distinct prime numbers

The prime factorization of 21006940 is 2 × 2 × 5 × 431 × 2437. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 1, 85, 21, 49, 344, 8209, 4508, 49531, 16178, 393164, 501612, 5957100, 3748106, 21857837, 52565360, 266771858, 640704370, 6131698327, 4435026212

Basic calculations (n = 21006940)

Multiplication

n×y
n×2 42013880
n×3 63020820
n×4 84027760
n×5 105034700

Division

n÷y
n÷2 10503470
n÷3 7002313.3333333
n÷3 5251735
n÷5 4201388

Exponentiation

ny
n2 441291528163600
n3 9.2701846546411E+21
n4 1.9473821282897E+29
n5 4.0908539526053E+36

Nth Root

y√n
2√n 4583.3328484848
3√n 275.92280624917
4√n 67.700316457789
5√n 29.138860143867

Divisors of 21006940

1, 2, 4, 5, 10, 20, 431, 862, 1724, 2155, 2437, 4310, 4874, 8620, 9748, 12185, 24370, 48740, 1050347, 2100694, 4201388, 5251735, 10503470, 21006940

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21006939
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21006940 can be divided by 24 positive divisors. The sum of these divisors (counting 21006940) is 1, the average is 0.041666666666667.

Base conversion 21006940

Base System Value
2 Binary 1010000001000101001011100
3 Ternary 1110112021002211
4 Quaternary 1100020221130
5 Quinary 20334210230
6 Senary 2030130204
8 Octal 120105134
10 Decimal 21006940
12 Duodecimal 7050964
16 Hexadecimal 1408a5c
20 Vigesimal 6b5h70
36 Base36 ci924

Cryptographic Hash Functions

md5 3d9e238aa14102313a9c85f643ee490b
sha1 cc50a858a4ce14a8ec8f72fc67841cad890506d6
sha256 c9c618196f2f35800158f6403b4f818a4ad131f59ba2957bc41ef14662a7a987
sha512 238883b30b464c920a493dc7fa934ff2a777943d3304ac5b0bdb1d06772431937a75d4d2e69fb270b0a6b3afb1aaa79cebfa187da0bcd0845a01b702a20b93d4
ripemd-160 1d5b8185542e2435b35299cae1f0b31573fe1b7f

21006940 as geometric shapes

Circle

Radius = n
Diameter 42013880
Circumference 131990496.7568
Area 1.3863582229702E+15

Sphere

Radius = n
Volume 3.8830858677922E+22
Surface area 5.5454328918807E+15
Circumference 131990496.7568

Square

Length = n
Perimeter 84027760
Area 441291528163600
Diagonal 29708299.451958

Cube

Length = n
Surface area 2647749168981600
Volume 9.2701846546411E+21
Space diagonal 36385087.391551

Equilateral Triangle

Length = n
Perimeter 63020820
Area 1.9108483693227E+14
Altitude 18192543.695775

Triangular Pyramid

Length = n
Surface area 1.9108483693227E+14
Volume 1.0925017386914E+21
Height 9902766.483986