21506494 (number)

21506494 is an even 8-digits composite number following 21506493 and preceding 21506495. In scientific notation, it is written as 2.1506494 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 10632336 positive integers (up to 21506494) that are relatively prime to 21506494.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1506494 × 10^7
Engineering notation 2.1506494 × 10^6

Prime Factorization of 21506494

Prime Factorization 2 × 89 × 120823

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21506494
Product of the distinct prime numbers

The prime factorization of 21506494 is 2 × 89 × 120823. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21506494)

Multiplication

n×y
n×2 43012988
n×3 64519482
n×4 86025976
n×5 107532470

Division

n÷y
n÷2 10753247
n÷3 7168831.3333333
n÷3 5376623.5
n÷5 4301298.8

Exponentiation

ny
n2 462529284172036
n3 9.9473832748702E+21
n4 2.139333387167E+29
n5 4.6009560655106E+36

Nth Root

y√n
2√n 4637.5094609068
3√n 278.09288168433
4√n 68.099261823509
5√n 29.276147289728

Divisors of 21506494

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 -21506493
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 21506494 can be divided by 8 positive divisors. The sum of these divisors (counting 21506494) is 1, the average is 0.125.

Base conversion 21506494

Base System Value
2 Binary 1010010000010100110111110
3 Ternary 1111110122100211
4 Quaternary 1102002212332
5 Quinary 21001201434
6 Senary 2044543034
8 Octal 122024676
10 Decimal 21506494
12 Duodecimal 7251a7a
16 Hexadecimal 14829be
20 Vigesimal 6e864e
36 Base36 csyim

Cryptographic Hash Functions

md5 8f1295bfcee1138685835d13f27a44a9
sha1 749c5f00d111f9c9e1aaa989ccbc7885f660ba11
sha256 f802443229f6c6a87eb59b7657f1ce590752f3734c6cf0688527268eff6eabee
sha512 2fa3b25f2f7da25341720c8eda7078a5478bb52e08afaa71587665e0939d943bf2096c533680fd6fe36a877c7abb1b1559cb4c2184a43e9c65327dc004d50752
ripemd-160 6f9b7ce6fb7089913109ebf881e306047f4e735b

21506494 as geometric shapes

Circle

Radius = n
Diameter 43012988
Circumference 135129287.10975
Area 1.453078601225E+15

Sphere

Radius = n
Volume 4.1667501625032E+22
Surface area 5.8123144049001E+15
Circumference 135129287.10975

Square

Length = n
Perimeter 86025976
Area 462529284172036
Diagonal 30414775.493896

Cube

Length = n
Surface area 2775175705032216
Volume 9.9473832748702E+21
Space diagonal 37250340.300675

Equilateral Triangle

Length = n
Perimeter 64519482
Area 2.0028105504361E+14
Altitude 18625170.150338

Triangular Pyramid

Length = n
Surface area 2.0028105504361E+14
Volume 1.1723103614537E+21
Height 10138258.497965