21491612 (number)

21491612 is an even 8-digits composite number following 21491611 and preceding 21491613. In scientific notation, it is written as 2.1491612 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 12 positive divisors. There are 10735920 positive integers (up to 21491612) that are relatively prime to 21491612.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-one thousand six hundred twelve

Notation

Scientific notation 2.1491612 × 10^7
Engineering notation 2.1491612 × 10^6

Prime Factorization of 21491612

Prime Factorization 2 × 2 × 1613 × 3331

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10745806
Product of the distinct prime numbers

The prime factorization of 21491612 is 2 × 2 × 1613 × 3331. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 2, 28, 15, 869, 84, 9072, 3838, 11086, 60335, 986169, 637033, 1325792, 8431637, 4679023, 15894530, 84070400, 697553382, 9227869669, 2081481115

Basic calculations (n = 21491612)

Multiplication

n×y
n×2 42983224
n×3 64474836
n×4 85966448
n×5 107458060

Division

n÷y
n÷2 10745806
n÷3 7163870.6666667
n÷3 5372903
n÷5 4298322.4

Exponentiation

ny
n2 461889386358544
n3 9.9267474785359E+21
n4 2.1334180523067E+29
n5 4.5850593013972E+36

Nth Root

y√n
2√n 4635.9046582086
3√n 278.02872225365
4√n 68.087477983904
5√n 29.272094483461

Divisors of 21491612

1, 2, 4, 1613, 3226, 3331, 6452, 6662, 13324, 5372903, 10745806, 21491612

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 -21491611
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 21491612 can be divided by 12 positive divisors. The sum of these divisors (counting 21491612) is 1, the average is 0.083333333333333.

Base conversion 21491612

Base System Value
2 Binary 1010001111110111110011100
3 Ternary 1111102212221122
4 Quaternary 1101332332130
5 Quinary 21000212422
6 Senary 2044350112
8 Octal 121767634
10 Decimal 21491612
12 Duodecimal 7245338
16 Hexadecimal 147ef9c
20 Vigesimal 6e690c
36 Base36 csn18

Cryptographic Hash Functions

md5 20ab8972e0bd3740b2f09e26d76438a6
sha1 c68194b8144eb45933414e17a2b5852e9bce9720
sha256 36adb2542f8b33381c6a20ddcd8436011063a76ddd33392a655146f04c677c5b
sha512 e1451bd9e3bd3d931d35158eb721a7c30befecb989030041702718050962999626466072a94db014bd7490d562ff1c73be0aea95256a9eb38ef0c8ca2c04c504
ripemd-160 6a7b9478b7158cb3b927f94ef841442786e3b9e4

21491612 as geometric shapes

Circle

Radius = n
Diameter 42983224
Circumference 135035780.746
Area 1.4510683029551E+15

Sphere

Radius = n
Volume 4.1581062603479E+22
Surface area 5.8042732118204E+15
Circumference 135035780.746

Square

Length = n
Perimeter 85966448
Area 461889386358544
Diagonal 30393729.16766

Cube

Length = n
Surface area 2771336318151264
Volume 9.9267474785359E+21
Space diagonal 37224563.920557

Equilateral Triangle

Length = n
Perimeter 64474836
Area 2.0000397116245E+14
Altitude 18612281.960278

Triangular Pyramid

Length = n
Surface area 2.0000397116245E+14
Volume 1.1698784095332E+21
Height 10131243.055887