21131439 (number)

21131439 is an odd 8-digits composite number following 21131438 and preceding 21131440. In scientific notation, it is written as 2.1131439 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 11340000 positive integers (up to 21131439) that are relatively prime to 21131439.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred thirty-one thousand four hundred thirty-nine

Notation

Scientific notation 2.1131439 × 10^7
Engineering notation 2.1131439 × 10^6

Prime Factorization of 21131439

Prime Factorization 7 × 57 × 251 × 211

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21131439
Product of the distinct prime numbers

The prime factorization of 21131439 is 7 × 57 × 251 × 211. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 1, 86, 9, 400, 32, 3583, 9836, 44238, 98937, 356228, 299702, 5172750, 988087, 95300180, 87580670, 273767472, 462555644, 1424363483, 5602343344

Basic calculations (n = 21131439)

Multiplication

n×y
n×2 42262878
n×3 63394317
n×4 84525756
n×5 105657195

Division

n÷y
n÷2 10565719.5
n÷3 7043813
n÷3 5282859.75
n÷5 4226287.8

Exponentiation

ny
n2 446537714210721
n3 9.4359844690433E+21
n4 1.9939593021254E+29
n5 4.2135229361345E+36

Nth Root

y√n
2√n 4596.8944952
3√n 276.46682444303
4√n 67.800401880815
5√n 29.173317226565

Divisors of 21131439

1, 7, 57, 211, 251, 399, 1477, 1757, 12027, 14307, 52961, 84189, 100149, 370727, 3018777, 21131439

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 -21131438
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 21131439 can be divided by 16 positive divisors. The sum of these divisors (counting 21131439) is 1, the average is 0.0625.

Base conversion 21131439

Base System Value
2 Binary 1010000100111000010101111
3 Ternary 1110202120212220
4 Quaternary 1100213002233
5 Quinary 20402201224
6 Senary 2032530423
8 Octal 120470257
10 Decimal 21131439
12 Duodecimal 70b0a13
16 Hexadecimal 14270af
20 Vigesimal 6c18bj
36 Base36 ckx4f

Cryptographic Hash Functions

md5 85d2ece8407f23e0067744f7cff49ab1
sha1 d6b25dec9601e845a9008ccfb65798c8b6daabd4
sha256 c55b1ac3ee1265b5ff7f52b9fddc3d533134007312dff934861550187f775637
sha512 21b43c941d3456f8438115422265272c1e029d95a2591ace711c631faea33400984b7f449f41c43e8b7be4e932654029a6718bb1b1b7d24fa1940a2f021b3158
ripemd-160 a0d4c9c9e5f42b15b275c1a89ce7531cbd8826dd

21131439 as geometric shapes

Circle

Radius = n
Diameter 42262878
Circumference 132772747.04436
Area 1.4028396025152E+15

Sphere

Radius = n
Volume 3.9525359316445E+22
Surface area 5.6113584100607E+15
Circumference 132772747.04436

Square

Length = n
Perimeter 84525756
Area 446537714210721
Diagonal 29884367.62626

Cube

Length = n
Surface area 2679226285264326
Volume 9.4359844690433E+21
Space diagonal 36600725.985042

Equilateral Triangle

Length = n
Perimeter 63394317
Area 1.9335650212716E+14
Altitude 18300362.992521

Triangular Pyramid

Length = n
Surface area 1.9335650212716E+14
Volume 1.1120414342052E+21
Height 9961455.8754199