21490744 (number)

21490744 is an even 8-digits composite number following 21490743 and preceding 21490745. In scientific notation, it is written as 2.1490744 × 10^7. The sum of its digits is 31. It has a total of 6 prime factors and 32 positive divisors. There are 9669600 positive integers (up to 21490744) that are relatively prime to 21490744.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1490744 × 10^7
Engineering notation 2.1490744 × 10^6

Prime Factorization of 21490744

Prime Factorization 2 × 2 × 2 × 11 × 103 × 2371

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5372686
Product of the distinct prime numbers

The prime factorization of 21490744 is 2 × 2 × 2 × 11 × 103 × 2371. Since it has a total of 6 prime factors.

Most popular turbo-numbers

3, 5, 70, 76, 166, 906, 1540, 6269, 8646, 62806, 162885, 361233, 5481883, 7220212, 26146048, 53209148, 628487886, 537777164, 136605997, 6830512638

Basic calculations (n = 21490744)

Multiplication

n×y
n×2 42981488
n×3 64472232
n×4 85962976
n×5 107453720

Division

n÷y
n÷2 10745372
n÷3 7163581.3333333
n÷3 5372686
n÷5 4298148.8

Exponentiation

ny
n2 461852077673536
n3 9.9255447671501E+21
n4 2.1330734165136E+29
n5 4.58413347275E+36

Nth Root

y√n
2√n 4635.8110401525
3√n 278.02497920916
4√n 68.086790496781
5√n 29.271858032249

Divisors of 21490744

1, 2, 4, 8, 11, 22, 44, 88, 103, 206, 412, 824, 1133, 2266, 2371, 4532, 4742, 9064, 9484, 18968, 26081, 52162, 104324, 208648, 244213, 488426, 976852, 1953704, 2686343, 5372686, 10745372, 21490744

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 -21490743
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 21490744 can be divided by 32 positive divisors. The sum of these divisors (counting 21490744) is 1, the average is 0.03125.

Base conversion 21490744

Base System Value
2 Binary 1010001111110110000111000
3 Ternary 1111102211202111
4 Quaternary 1101332300320
5 Quinary 21000200434
6 Senary 2044342104
8 Octal 121766070
10 Decimal 21490744
12 Duodecimal 7244934
16 Hexadecimal 147ec38
20 Vigesimal 6e66h4
36 Base36 csmd4

Cryptographic Hash Functions

md5 b1118668eb7126b5b1457c81682382da
sha1 eacb93d463cf6d13088567e1c60bb4529c08f5ec
sha256 166536e2ae6455a168291405f2fd5ffbbcf877573000d2848f79134e5f2b4ca9
sha512 6f53a3bcfb723d484c2c668224ae97a1bd047af1673cd288b8a7128246eee0c6c1a22b08e50cbd4d0f63038af5321558711e2f9d458855da09e6cc5036fbecc3
ripemd-160 8ddc225d5a79505825a67b0639606248132b3383

21490744 as geometric shapes

Circle

Radius = n
Diameter 42981488
Circumference 135030326.94116
Area 1.4509510942644E+15

Sphere

Radius = n
Volume 4.1576024697807E+22
Surface area 5.8038043770575E+15
Circumference 135030326.94116

Square

Length = n
Perimeter 85962976
Area 461852077673536
Diagonal 30392501.630288

Cube

Length = n
Surface area 2771112466041216
Volume 9.9255447671501E+21
Space diagonal 37223060.500456

Equilateral Triangle

Length = n
Perimeter 64472232
Area 1.9998781602795E+14
Altitude 18611530.250228

Triangular Pyramid

Length = n
Surface area 1.9998781602795E+14
Volume 1.1697366686371E+21
Height 10130833.876763