21487306 (number)

21487306 is an even 8-digits composite number following 21487305 and preceding 21487307. In scientific notation, it is written as 2.1487306 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 10453248 positive integers (up to 21487306) that are relatively prime to 21487306.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred eighty-seven thousand three hundred six

Notation

Scientific notation 2.1487306 × 10^7
Engineering notation 2.1487306 × 10^6

Prime Factorization of 21487306

Prime Factorization 2 × 37 × 290369

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21487306
Product of the distinct prime numbers

The prime factorization of 21487306 is 2 × 37 × 290369. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21487306)

Multiplication

n×y
n×2 42974612
n×3 64461918
n×4 85949224
n×5 107436530

Division

n÷y
n÷2 10743653
n÷3 7162435.3333333
n÷3 5371826.5
n÷5 4297461.2

Exponentiation

ny
n2 461704319137636
n3 9.920781986832E+21
n4 2.1317087831035E+29
n5 4.5804678925432E+36

Nth Root

y√n
2√n 4635.4402164196
3√n 278.01015265787
4√n 68.084067272891
5√n 29.270921414249

Divisors of 21487306

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 -21487305
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 21487306 can be divided by 8 positive divisors. The sum of these divisors (counting 21487306) is 1, the average is 0.125.

Base conversion 21487306

Base System Value
2 Binary 1010001111101111011001010
3 Ternary 1111102200001011
4 Quaternary 1101331323022
5 Quinary 21000043211
6 Senary 2044314134
8 Octal 121757312
10 Decimal 21487306
12 Duodecimal 724294a
16 Hexadecimal 147deca
20 Vigesimal 6e5i56
36 Base36 csjpm

Cryptographic Hash Functions

md5 9eb3a07fee6ed7a8521de18b47b7a645
sha1 5c3b7777536c003779bcd4bd85823d2646a70ac5
sha256 adac8979af762ee757962e4bde0bebfd3152bc02b7cf0a8334f096c4cc8f067b
sha512 69abe6edbf7a6e3d13e89e8e225ef759ba7b47147f82faa4829458e9bccf2365f0db8e29ba9878dcfe3e95e88185d6bd5f3f2ec6a95fb11915881e7c6b3b0be5
ripemd-160 44de5d6214e8ebfc55d569ecd049d0a145114d2b

21487306 as geometric shapes

Circle

Radius = n
Diameter 42974612
Circumference 135008725.35007
Area 1.4504868971335E+15

Sphere

Radius = n
Volume 4.1556074410263E+22
Surface area 5.8019475885339E+15
Circumference 135008725.35007

Square

Length = n
Perimeter 85949224
Area 461704319137636
Diagonal 30387639.564061

Cube

Length = n
Surface area 2770225914825816
Volume 9.920781986832E+21
Space diagonal 37217105.70978

Equilateral Triangle

Length = n
Perimeter 64461918
Area 1.999238347051E+14
Altitude 18608552.85489

Triangular Pyramid

Length = n
Surface area 1.999238347051E+14
Volume 1.1691753695937E+21
Height 10129213.18802