21491260 (number)

21491260 is an even 8-digits composite number following 21491259 and preceding 21491261. In scientific notation, it is written as 2.1491260 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors. There are 7368384 positive integers (up to 21491260) that are relatively prime to 21491260.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-one thousand two hundred sixty

Notation

Scientific notation 2.1491260 × 10^7
Engineering notation 2.1491260 × 10^6

Prime Factorization of 21491260

Prime Factorization 2 × 2 × 35 × 153509

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10745630
Product of the distinct prime numbers

The prime factorization of 21491260 is 2 × 2 × 35 × 153509. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21491260)

Multiplication

n×y
n×2 42982520
n×3 64473780
n×4 85965040
n×5 107456300

Division

n÷y
n÷2 10745630
n÷3 7163753.3333333
n÷3 5372815
n÷5 4298252

Exponentiation

ny
n2 461874256387600
n3 9.9262597313326E+21
n4 2.133278287136E+29
n5 4.5846838321194E+36

Nth Root

y√n
2√n 4635.8666935105
3√n 278.02720434914
4√n 68.087199189793
5√n 29.271998596333

Divisors of 21491260

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21491259
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21491260 can be divided by 12 positive divisors. The sum of these divisors (counting 21491260) is 1, the average is 0.083333333333333.

Base conversion 21491260

Base System Value
2 Binary 1010001111110111000111100
3 Ternary 1111102212110121
4 Quaternary 1101332320330
5 Quinary 21000210020
6 Senary 2044344324
8 Octal 121767074
10 Decimal 21491260
12 Duodecimal 72450a4
16 Hexadecimal 147ee3c
20 Vigesimal 6e6830
36 Base36 csmrg

Cryptographic Hash Functions

md5 3297ea10e04f01d9e486036cdb6de5bf
sha1 06a9763b4674f9adc026f54da66431821f6734b2
sha256 182234d2309b335760ecb9f22d1c740e5ba8ecc46d445050013d1fbfe62e991d
sha512 3598984b3d4cdf4ebdcc993a51a1fbc99f2caee8f7ee3d12baf594dcb68d4bbf724bb68ce5fc18f15d3dc8588d5d29e39c30508243b42a281dcf54f7a85ea85d
ripemd-160 b302f42b771c72987ed688921d16f7b68f7e5c7f

21491260 as geometric shapes

Circle

Radius = n
Diameter 42982520
Circumference 135033569.06478
Area 1.4510207707495E+15

Sphere

Radius = n
Volume 4.1579019532771E+22
Surface area 5.8040830829981E+15
Circumference 135033569.06478

Square

Length = n
Perimeter 85965040
Area 461874256387600
Diagonal 30393231.364486

Cube

Length = n
Surface area 2771245538325600
Volume 9.9262597313326E+21
Space diagonal 37223954.238673

Equilateral Triangle

Length = n
Perimeter 64473780
Area 1.9999741969285E+14
Altitude 18611977.119336

Triangular Pyramid

Length = n
Surface area 1.9999741969285E+14
Volume 1.169820927974E+21
Height 10131077.121495