21132845 (number)

21132845 is an odd 8-digits composite number following 21132844 and preceding 21132846. In scientific notation, it is written as 2.1132845 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors. There are 15672384 positive integers (up to 21132845) that are relatively prime to 21132845.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred thirty-two thousand eight hundred forty-five

Notation

Scientific notation 2.1132845 × 10^7
Engineering notation 2.1132845 × 10^6

Prime Factorization of 21132845

Prime Factorization 5 × 19 × 47 × 4733

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21132845
Product of the distinct prime numbers

The prime factorization of 21132845 is 5 × 19 × 47 × 4733. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21132845)

Multiplication

n×y
n×2 42265690
n×3 63398535
n×4 84531380
n×5 105664225

Division

n÷y
n÷2 10566422.5
n÷3 7044281.6666667
n÷3 5283211.25
n÷5 4226569

Exponentiation

ny
n2 446597137794025
n3 9.4378680904448E+21
n4 1.9944900348582E+29
n5 4.2149248760702E+36

Nth Root

y√n
2√n 4597.0474219873
3√n 276.47295596637
4√n 67.801529643418
5√n 29.173705431007

Divisors of 21132845

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21132844
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21132845 can be divided by 16 positive divisors. The sum of these divisors (counting 21132845) is 1, the average is 0.0625.

Base conversion 21132845

Base System Value
2 Binary 1010000100111011000101101
3 Ternary 1110202122210222
4 Quaternary 1100213120231
5 Quinary 20402222340
6 Senary 2032541125
8 Octal 120473055
10 Decimal 21132845
12 Duodecimal 70b17a5
16 Hexadecimal 142762d
20 Vigesimal 6c1c25
36 Base36 cky7h

Cryptographic Hash Functions

md5 399360c83a9fc369f9ef66944fce3766
sha1 605515f31e45bdf2ea0f6da814b519c6defcf83f
sha256 8e0e2cab73afabeaf30b2afffdfbd69855238d1fe20cee1ac7eef9fbc5a7c894
sha512 38ac5a957df9c51a4072c84fc6f950c723a0e450f68f80616b3ce69efdb8c140aa7c2446fe44f0af5d3151d83e80d2c57c99e94c4f36e63567d6f49c33319078
ripemd-160 7c68a1eae6721a1c9e94170d0f8e3c0238b558d7

21132845 as geometric shapes

Circle

Radius = n
Diameter 42265690
Circumference 132781581.2029
Area 1.4030262872079E+15

Sphere

Radius = n
Volume 3.9533249411321E+22
Surface area 5.6121051488318E+15
Circumference 132781581.2029

Square

Length = n
Perimeter 84531380
Area 446597137794025
Diagonal 29886356.010528

Cube

Length = n
Surface area 2679582826764150
Volume 9.4378680904448E+21
Space diagonal 36603161.248478

Equilateral Triangle

Length = n
Perimeter 63398535
Area 1.9338223329352E+14
Altitude 18301580.624239

Triangular Pyramid

Length = n
Surface area 1.9338223329352E+14
Volume 1.1122634211163E+21
Height 9962118.6701762