21132881 (number)

21132881 is an odd 8-digits composite number following 21132880 and preceding 21132882. In scientific notation, it is written as 2.1132881 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 16467120 positive integers (up to 21132881) that are relatively prime to 21132881.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1132881 × 10^7
Engineering notation 2.1132881 × 10^6

Prime Factorization of 21132881

Prime Factorization 11 × 7 × 274453

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21132881
Product of the distinct prime numbers

The prime factorization of 21132881 is 11 × 7 × 274453. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21132881)

Multiplication

n×y
n×2 42265762
n×3 63398643
n×4 84531524
n×5 105664405

Division

n÷y
n÷2 10566440.5
n÷3 7044293.6666667
n÷3 5283220.25
n÷5 4226576.2

Exponentiation

ny
n2 446598659360161
n3 9.4379163230178E+21
n4 1.9945036254229E+29
n5 4.2149607770131E+36

Nth Root

y√n
2√n 4597.0513375424
3√n 276.47311295771
4√n 67.801558518535
5√n 29.173715370536

Divisors of 21132881

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 -21132880
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 21132881 can be divided by 8 positive divisors. The sum of these divisors (counting 21132881) is 1, the average is 0.125.

Base conversion 21132881

Base System Value
2 Binary 1010000100111011001010001
3 Ternary 1110202122212022
4 Quaternary 1100213121101
5 Quinary 20402223011
6 Senary 2032541225
8 Octal 120473121
10 Decimal 21132881
12 Duodecimal 70b1815
16 Hexadecimal 1427651
20 Vigesimal 6c1c41
36 Base36 cky8h

Cryptographic Hash Functions

md5 1d661f36ab59ff4a00ce525cc674962b
sha1 f354945fdc5a69b895c18dd0263027cbfb653196
sha256 8be2aceae7e2f35cd5018b2d05e9d76f6afe1c9feb03ae8cb43e0cb512ee96a4
sha512 70ad48347a02088dad85f9136d4c72afc6218825cdc44aa550b42ed8dc40075e8dbb957497cf3621ce853b52a0de3ff19c85688f0b0e3362dddb2b1ff10cfa17
ripemd-160 52883959dbd65545ea8ebf3e76007491b3a2d576

21132881 as geometric shapes

Circle

Radius = n
Diameter 42265762
Circumference 132781807.39757
Area 1.4030310673489E+15

Sphere

Radius = n
Volume 3.9533451447451E+22
Surface area 5.6121242693957E+15
Circumference 132781807.39757

Square

Length = n
Perimeter 84531524
Area 446598659360161
Diagonal 29886406.922217

Cube

Length = n
Surface area 2679591956160966
Volume 9.4379163230178E+21
Space diagonal 36603223.602307

Equilateral Triangle

Length = n
Perimeter 63398643
Area 1.9338289215099E+14
Altitude 18301611.801153

Triangular Pyramid

Length = n
Surface area 1.9338289215099E+14
Volume 1.1122691053795E+21
Height 9962135.6407389