21494840 (number)

21494840 is an even 8-digits composite number following 21494839 and preceding 21494841. In scientific notation, it is written as 2.1494840 × 10^7. The sum of its digits is 32. It has a total of 6 prime factors and 32 positive divisors. There are 8397312 positive integers (up to 21494840) that are relatively prime to 21494840.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-four thousand eight hundred forty

Notation

Scientific notation 2.1494840 × 10^7
Engineering notation 2.1494840 × 10^6

Prime Factorization of 21494840

Prime Factorization 2 × 2 × 2 × 5 × 43 × 12497

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5373710
Product of the distinct prime numbers

The prime factorization of 21494840 is 2 × 2 × 2 × 5 × 43 × 12497. Since it has a total of 6 prime factors.

Most popular turbo-numbers

9, 9, 4, 73, 922, 240, 1482, 3168, 98186, 83051, 720253, 692260, 806899, 2305720, 79716434, 81266058, 268098535, 909523474, 1447888159, 6528040291

Basic calculations (n = 21494840)

Multiplication

n×y
n×2 42989680
n×3 64484520
n×4 85979360
n×5 107474200

Division

n÷y
n÷2 10747420
n÷3 7164946.6666667
n÷3 5373710
n÷5 4298968

Exponentiation

ny
n2 462028146625600
n3 9.9312210872138E+21
n4 2.1347000827429E+29
n5 4.5885036726545E+36

Nth Root

y√n
2√n 4636.2527972491
3√n 278.04264135514
4√n 68.090034492935
5√n 29.272973753425

Divisors of 21494840

1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 12497, 24994, 49988, 62485, 99976, 124970, 249940, 499880, 537371, 1074742, 2149484, 2686855, 4298968, 5373710, 10747420, 21494840

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21494839
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21494840 can be divided by 32 positive divisors. The sum of these divisors (counting 21494840) is 1, the average is 0.03125.

Base conversion 21494840

Base System Value
2 Binary 1010001111111110000111000
3 Ternary 1111110001101012
4 Quaternary 1101333300320
5 Quinary 21000313330
6 Senary 2044413052
8 Octal 121776070
10 Decimal 21494840
12 Duodecimal 7247188
16 Hexadecimal 147fc38
20 Vigesimal 6e6h20
36 Base36 cspiw

Cryptographic Hash Functions

md5 dc149c96e2816e40b969413e388d0cde
sha1 d5f3ddbbebd09cae2cd20731d462be8df3d3faca
sha256 56154e25068b608673479bdf5b48d987e4730f57fcc88d2f20f827cafd496a1b
sha512 2a633b63c47fe14761416bf859f2d90fea1eb809913b989b70d5917e4ccd7ff24fb11980bd13bafbe10cd35205331145bd096ee1e00accc8c45e5a44f5fedcc6
ripemd-160 3f6acc9e7db1e6b4b8be71f0c5c6030434fb4cfc

21494840 as geometric shapes

Circle

Radius = n
Diameter 42989680
Circumference 135056062.86818
Area 1.4515042311907E+15

Sphere

Radius = n
Volume 4.1599801611689E+22
Surface area 5.8060169247628E+15
Circumference 135056062.86818

Square

Length = n
Perimeter 85979360
Area 462028146625600
Diagonal 30398294.24904

Cube

Length = n
Surface area 2772168879753600
Volume 9.9312210872138E+21
Space diagonal 37230154.980564

Equilateral Triangle

Length = n
Perimeter 64484520
Area 2.0006405612061E+14
Altitude 18615077.490282

Triangular Pyramid

Length = n
Surface area 2.0006405612061E+14
Volume 1.170405629372E+21
Height 10132764.74968