21132891 (number)

21132891 is an odd 8-digits composite number following 21132890 and preceding 21132892. In scientific notation, it is written as 2.1132891 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 13004784 positive integers (up to 21132891) that are relatively prime to 21132891.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1132891 × 10^7
Engineering notation 2.1132891 × 10^6

Prime Factorization of 21132891

Prime Factorization 9 × 13 × 180623

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21132891
Product of the distinct prime numbers

The prime factorization of 21132891 is 9 × 13 × 180623. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21132891)

Multiplication

n×y
n×2 42265782
n×3 63398673
n×4 84531564
n×5 105664455

Division

n÷y
n÷2 10566445.5
n÷3 7044297
n÷3 5283222.75
n÷5 4226578.2

Exponentiation

ny
n2 446599082017881
n3 9.4379297209839E+21
n4 1.9945074005921E+29
n5 4.2149707495407E+36

Nth Root

y√n
2√n 4597.052425196
3√n 276.47315656638
4√n 67.801566539395
5√n 29.173718131514

Divisors of 21132891

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 -21132890
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 21132891 can be divided by 8 positive divisors. The sum of these divisors (counting 21132891) is 1, the average is 0.125.

Base conversion 21132891

Base System Value
2 Binary 1010000100111011001011011
3 Ternary 1110202122212200
4 Quaternary 1100213121123
5 Quinary 20402223031
6 Senary 2032541243
8 Octal 120473133
10 Decimal 21132891
12 Duodecimal 70b1823
16 Hexadecimal 142765b
20 Vigesimal 6c1c4b
36 Base36 cky8r

Cryptographic Hash Functions

md5 c6122ee79fa80ce5806195291ca5191c
sha1 59471af9097c54d12eb9c02af202d1b4132ca1a4
sha256 0abf57d07fbb61323a763d7f81267cfcc9583cbcde703c99f574c00a3d73b78f
sha512 52d3f94c36b66ff9ea645cffd6b5a1710df47bcd58e76c8568e50ae38aeb8af74df2a3450c5d4e3669cd7ca549f9b9aeea433c56a446298ea408ac7c138fcbc2
ripemd-160 68eee7bd22d741a2a4a59264a8a5351486063320

21132891 as geometric shapes

Circle

Radius = n
Diameter 42265782
Circumference 132781870.22943
Area 1.4030323951673E+15

Sphere

Radius = n
Volume 3.953350756872E+22
Surface area 5.6121295806693E+15
Circumference 132781870.22943

Square

Length = n
Perimeter 84531564
Area 446599082017881
Diagonal 29886421.064352

Cube

Length = n
Surface area 2679594492107286
Volume 9.4379297209839E+21
Space diagonal 36603240.922815

Equilateral Triangle

Length = n
Perimeter 63398673
Area 1.9338307516715E+14
Altitude 18301620.461408

Triangular Pyramid

Length = n
Surface area 1.9338307516715E+14
Volume 1.112270684345E+21
Height 9962140.3547841