21491146 (number)

21491146 is an even 8-digits composite number following 21491145 and preceding 21491147. In scientific notation, it is written as 2.1491146 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 10375008 positive integers (up to 21491146) that are relatively prime to 21491146.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1491146 × 10^7
Engineering notation 2.1491146 × 10^6

Prime Factorization of 21491146

Prime Factorization 2 × 29 × 370537

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21491146
Product of the distinct prime numbers

The prime factorization of 21491146 is 2 × 29 × 370537. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21491146)

Multiplication

n×y
n×2 42982292
n×3 64473438
n×4 85964584
n×5 107455730

Division

n÷y
n÷2 10745573
n÷3 7163715.3333333
n÷3 5372786.5
n÷5 4298229.2

Exponentiation

ny
n2 461869356393316
n3 9.9261017711748E+21
n4 2.1332330237518E+29
n5 4.5845622365471E+36

Nth Root

y√n
2√n 4635.8543980587
3√n 278.02671275151
4√n 68.087108897784
5√n 29.271967541709

Divisors of 21491146

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 -21491145
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 21491146 can be divided by 8 positive divisors. The sum of these divisors (counting 21491146) is 1, the average is 0.125.

Base conversion 21491146

Base System Value
2 Binary 1010001111110110111001010
3 Ternary 1111102212022101
4 Quaternary 1101332313022
5 Quinary 21000204041
6 Senary 2044344014
8 Octal 121766712
10 Decimal 21491146
12 Duodecimal 724500a
16 Hexadecimal 147edca
20 Vigesimal 6e67h6
36 Base36 csmoa

Cryptographic Hash Functions

md5 b1cbbcefa64c75732e5204eacb6607f6
sha1 e3d9926dc4875a9e108ea83cbca53e55ecd47c1e
sha256 c668d024a5cf83d1fee28521483d23d5786cb28fb42fdc707d5956863e431d68
sha512 b81520c593125f6df47e48625717a9a0ea192e16bfd6c49b0302a4d40095586c6e6f47ce84327bbc113ae7679519875d7a1e4da41f73e6f9a6d3e880831af7b2
ripemd-160 0c962056604c7aa068c52693cfb1c6cbbd512abb

21491146 as geometric shapes

Circle

Radius = n
Diameter 42982292
Circumference 135032852.78165
Area 1.4510053769635E+15

Sphere

Radius = n
Volume 4.157835787081E+22
Surface area 5.804021507854E+15
Circumference 135032852.78165

Square

Length = n
Perimeter 85964584
Area 461869356393316
Diagonal 30393070.14414

Cube

Length = n
Surface area 2771216138359896
Volume 9.9261017711748E+21
Space diagonal 37223756.784881

Equilateral Triangle

Length = n
Perimeter 64473438
Area 1.9999529793309E+14
Altitude 18611878.39244

Triangular Pyramid

Length = n
Surface area 1.9999529793309E+14
Volume 1.1698023121909E+21
Height 10131023.38138