21490746 (number)

21490746 is an even 8-digits composite number following 21490745 and preceding 21490747. In scientific notation, it is written as 2.1490746 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 7163580 positive integers (up to 21490746) that are relatively prime to 21490746.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1490746 × 10^7
Engineering notation 2.1490746 × 10^6

Prime Factorization of 21490746

Prime Factorization 2 × 3 × 3581791

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21490746
Product of the distinct prime numbers

The prime factorization of 21490746 is 2 × 3 × 3581791. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 3, 43, 48, 653, 182, 3694, 3218, 61253, 58875, 294713, 792530, 823705, 9606869, 65577167, 79681137, 549652372, 776030685, 4701433713, 2551396157

Basic calculations (n = 21490746)

Multiplication

n×y
n×2 42981492
n×3 64472238
n×4 85962984
n×5 107453730

Division

n÷y
n÷2 10745373
n÷3 7163582
n÷3 5372686.5
n÷5 4298149.2

Exponentiation

ny
n2 461852163636516
n3 9.9255475382628E+21
n4 2.1330742105573E+29
n5 4.5841356058238E+36

Nth Root

y√n
2√n 4635.8112558645
3√n 278.0249878338
4√n 68.086792080876
5√n 29.271858577076

Divisors of 21490746

1, 2, 3, 6, 3581791, 7163582, 10745373, 21490746

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21490745
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21490746 can be divided by 8 positive divisors. The sum of these divisors (counting 21490746) is 1, the average is 0.125.

Base conversion 21490746

Base System Value
2 Binary 1010001111110110000111010
3 Ternary 1111102211202120
4 Quaternary 1101332300322
5 Quinary 21000200441
6 Senary 2044342110
8 Octal 121766072
10 Decimal 21490746
12 Duodecimal 7244936
16 Hexadecimal 147ec3a
20 Vigesimal 6e66h6
36 Base36 csmd6

Cryptographic Hash Functions

md5 b995ade708a3d0596a65e7a118cbe59e
sha1 8063d7332945df77295a90b6679bcd094a9c05c9
sha256 4b3adfeee0a40ab4c20ba7f32e57e7a336a89b4e8289768fa43529aea81b0bdf
sha512 a9de1884fa7609a2fa25e7b5a6b980749f8bf49bda8fdef8713a14b5728ce2665f52e905ba1e9cb5057fa2e62e256cdc88f97f1be3eaa053ec7bea11ceecbd10
ripemd-160 b6cca056e71bcb73691f6a78d6b744c5ff8fe4cd

21490746 as geometric shapes

Circle

Radius = n
Diameter 42981492
Circumference 135030339.50753
Area 1.450951364325E+15

Sphere

Radius = n
Volume 4.1576036305417E+22
Surface area 5.8038054573001E+15
Circumference 135030339.50753

Square

Length = n
Perimeter 85962984
Area 461852163636516
Diagonal 30392504.458715

Cube

Length = n
Surface area 2771112981819096
Volume 9.9255475382628E+21
Space diagonal 37223063.964558

Equilateral Triangle

Length = n
Perimeter 64472238
Area 1.9998785325102E+14
Altitude 18611531.982279

Triangular Pyramid

Length = n
Surface area 1.9998785325102E+14
Volume 1.1697369952158E+21
Height 10130834.819572