21132878 (number)

21132878 is an even 8-digits composite number following 21132877 and preceding 21132879. In scientific notation, it is written as 2.1132878 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 9727776 positive integers (up to 21132878) that are relatively prime to 21132878.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1132878 × 10^7
Engineering notation 2.1132878 × 10^6

Prime Factorization of 21132878

Prime Factorization 2 × 13 × 487 × 1669

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21132878
Product of the distinct prime numbers

The prime factorization of 21132878 is 2 × 13 × 487 × 1669. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 5, 64, 42, 791, 777, 6711, 5441, 96566, 56038, 948797, 7771, 6410757, 5362465, 69359946, 63205484, 823567504, 194975324, 3687722752, 3291598783

Basic calculations (n = 21132878)

Multiplication

n×y
n×2 42265756
n×3 63398634
n×4 84531512
n×5 105664390

Division

n÷y
n÷2 10566439
n÷3 7044292.6666667
n÷3 5283219.5
n÷5 4226575.6

Exponentiation

ny
n2 446598532562884
n3 9.4379123036305E+21
n4 1.9945024928732E+29
n5 4.2149577852585E+36

Nth Root

y√n
2√n 4597.0510112462
3√n 276.4730998751
4√n 67.801556112277
5√n 29.173714542243

Divisors of 21132878

1, 2, 13, 26, 487, 974, 1669, 3338, 6331, 12662, 21697, 43394, 812803, 1625606, 10566439, 21132878

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 -21132877
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 21132878 can be divided by 16 positive divisors. The sum of these divisors (counting 21132878) is 1, the average is 0.0625.

Base conversion 21132878

Base System Value
2 Binary 1010000100111011001001110
3 Ternary 1110202122212012
4 Quaternary 1100213121032
5 Quinary 20402223003
6 Senary 2032541222
8 Octal 120473116
10 Decimal 21132878
12 Duodecimal 70b1812
16 Hexadecimal 142764e
20 Vigesimal 6c1c3i
36 Base36 cky8e

Cryptographic Hash Functions

md5 5488c4057b8695f30edfe663fece4932
sha1 2821e8d33caf7c73ad8af3302e1240ec9250ce26
sha256 8c60b44d874361b9fdc5fce1aa10d2adaed1eaa16ecc82d7d775369940dbf212
sha512 ce890a82fb27fcef80b397e75aa4dc2d6e309771bcba1039183c89f113bbe151778b021f020a38c7fecda97553b9c615b9f48ba93ae583c6fae9bd8e1700b996
ripemd-160 0d2f32d0b91f5fd4bbdf25f0c35bb27ad8ca1a2e

21132878 as geometric shapes

Circle

Radius = n
Diameter 42265756
Circumference 132781788.54802
Area 1.4030306690035E+15

Sphere

Radius = n
Volume 3.953343461108E+22
Surface area 5.6121226760142E+15
Circumference 132781788.54802

Square

Length = n
Perimeter 84531512
Area 446598532562884
Diagonal 29886402.679576

Cube

Length = n
Surface area 2679591195377304
Volume 9.4379123036305E+21
Space diagonal 36603218.406155

Equilateral Triangle

Length = n
Perimeter 63398634
Area 1.9338283724615E+14
Altitude 18301609.203077

Triangular Pyramid

Length = n
Surface area 1.9338283724615E+14
Volume 1.1122686316902E+21
Height 9962134.2265253