21484987 (number)

21484987 is an odd 8-digits prime number following 21484986 and preceding 21484988. In scientific notation, it is written as 2.1484987 × 10^7. The sum of its digits is 43. It has a total of 1 prime factors and 2 positive divisors. There are 21484986 positive integers (up to 21484987) that are relatively prime to 21484987.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred eighty-four thousand nine hundred eighty-seven

Notation

Scientific notation 2.1484987 × 10^7
Engineering notation 2.1484987 × 10^6

Prime Factorization of 21484987

Prime Factorization 21484987

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 21484987
Product of the distinct prime numbers

The prime factorization of 21484987 is 21484987. Since it has a total of 1 prime factors.

Most popular turbo-numbers

4, 10, 64, 38, 151, 436, 9704, 1597, 15668, 93305, 342522, 813437, 9569484, 3454107, 67939283, 50306478, 810529389, 507383143, 2671942290, 2166868054

Basic calculations (n = 21484987)

Multiplication

n×y
n×2 42969974
n×3 64454961
n×4 85939948
n×5 107424935

Division

n÷y
n÷2 10742493.5
n÷3 7161662.3333333
n÷3 5371246.75
n÷5 4296997.4

Exponentiation

ny
n2 461604666390169
n3 9.9175702565321E+21
n4 2.1307886803318E+29
n5 4.5779967096676E+36

Nth Root

y√n
2√n 4635.1900716152
3√n 278.00015095829
4√n 68.082230219164
5√n 29.270289578902

Divisors of 21484987

1, 21484987

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 21484988
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10742494
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4635.1901794856
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999069117
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21484987 can be divided by 2 positive divisors. The sum of these divisors (counting 21484987) is 21484988, the average is 10742494.

Base conversion 21484987

Base System Value
2 Binary 1010001111101010110111011
3 Ternary 1111102112212021
4 Quaternary 1101331112323
5 Quinary 21000004422
6 Senary 2044255311
8 Octal 121752673
10 Decimal 21484987
12 Duodecimal 7241537
16 Hexadecimal 147d5bb
20 Vigesimal 6e5c97
36 Base36 cshx7

Cryptographic Hash Functions

md5 a44df2d875c382966ac7c9acafc423d3
sha1 af08352ee75c917281676b1bc355e667ecc7a1d9
sha256 edac0d8192b4816ad7616a9e9f971ac06d9284c1a05790eb3c8c580309c73f0b
sha512 276972d8553422ee7dd281d224d4eba86000344e9c3d57c9fdcdefc7152edb836a9abf60f5708fb12d8a89c3f6f442420996fc0ad2d06afe18af01060293a86d
ripemd-160 a0f424c0931013b25d2ce5f637770e5c4d26e908

21484987 as geometric shapes

Circle

Radius = n
Diameter 42969974
Circumference 134994154.64334
Area 1.4501738287941E+15

Sphere

Radius = n
Volume 4.1542621145843E+22
Surface area 5.8006953151765E+15
Circumference 134994154.64334

Square

Length = n
Perimeter 85939948
Area 461604666390169
Diagonal 30384360.00281

Cube

Length = n
Surface area 2769627998341014
Volume 9.9175702565321E+21
Space diagonal 37213089.083957

Equilateral Triangle

Length = n
Perimeter 64454961
Area 1.9988068379966E+14
Altitude 18606544.541978

Triangular Pyramid

Length = n
Surface area 1.9988068379966E+14
Volume 1.168796863548E+21
Height 10128120.000937