21132815 (number)

21132815 is an odd 8-digits composite number following 21132814 and preceding 21132816. In scientific notation, it is written as 2.1132815 × 10^7. The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors. There are 15273600 positive integers (up to 21132815) that are relatively prime to 21132815.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred thirty-two thousand eight hundred fifteen

Notation

Scientific notation 2.1132815 × 10^7
Engineering notation 2.1132815 × 10^6

Prime Factorization of 21132815

Prime Factorization 5 × 11 × 173 × 2221

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21132815
Product of the distinct prime numbers

The prime factorization of 21132815 is 5 × 11 × 173 × 2221. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21132815)

Multiplication

n×y
n×2 42265630
n×3 63398445
n×4 84531260
n×5 105664075

Division

n÷y
n÷2 10566407.5
n÷3 7044271.6666667
n÷3 5283203.75
n÷5 4226563

Exponentiation

ny
n2 446595869824225
n3 9.4378278967594E+21
n4 1.9944787094406E+29
n5 4.2148949588046E+36

Nth Root

y√n
2√n 4597.0441590222
3√n 276.47282514012
4√n 67.801505580792
5√n 29.173697148055

Divisors of 21132815

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 -21132814
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 21132815 can be divided by 16 positive divisors. The sum of these divisors (counting 21132815) is 1, the average is 0.0625.

Base conversion 21132815

Base System Value
2 Binary 1010000100111011000001111
3 Ternary 1110202122202212
4 Quaternary 1100213120033
5 Quinary 20402222230
6 Senary 2032541035
8 Octal 120473017
10 Decimal 21132815
12 Duodecimal 70b177b
16 Hexadecimal 142760f
20 Vigesimal 6c1c0f
36 Base36 cky6n

Cryptographic Hash Functions

md5 85a8aed99e969c6f72c909ca2b940ddb
sha1 2c9dc3ab032a47529ce80e181838e6740331e4cc
sha256 31dc0cad09639039ab566dfe17d8b42578ba07c77610e62fbd76ec1288ab16e8
sha512 a2bdb2cff2fc3434bc60eb51f5e6b2cec367df552b41b02bbe2259db5d99569518211ddcef535d555a584be1faaad43b427e59865e9c3b7029bd874d76c064ba
ripemd-160 0ddd766b72851f580422c45d3930acbcc1f79350

21132815 as geometric shapes

Circle

Radius = n
Diameter 42265630
Circumference 132781392.70734
Area 1.4030223037633E+15

Sphere

Radius = n
Volume 3.9533081048406E+22
Surface area 5.6120892150533E+15
Circumference 132781392.70734

Square

Length = n
Perimeter 84531260
Area 446595869824225
Diagonal 29886313.584122

Cube

Length = n
Surface area 2679575218945350
Volume 9.4378278967594E+21
Space diagonal 36603109.286954

Equilateral Triangle

Length = n
Perimeter 63398445
Area 1.9338168424649E+14
Altitude 18301554.643477

Triangular Pyramid

Length = n
Surface area 1.9338168424649E+14
Volume 1.112258684245E+21
Height 9962104.5280405