21472487 (number)

21472487 is an odd 8-digits composite number following 21472486 and preceding 21472488. In scientific notation, it is written as 2.1472487 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 21463200 positive integers (up to 21472487) that are relatively prime to 21472487.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred seventy-two thousand four hundred eighty-seven

Notation

Scientific notation 2.1472487 × 10^7
Engineering notation 2.1472487 × 10^6

Prime Factorization of 21472487

Prime Factorization 4951 × 4337

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21472487
Product of the distinct prime numbers

The prime factorization of 21472487 is 4951 × 4337. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21472487)

Multiplication

n×y
n×2 42944974
n×3 64417461
n×4 85889948
n×5 107362435

Division

n÷y
n÷2 10736243.5
n÷3 7157495.6666667
n÷3 5368121.75
n÷5 4294497.4

Exponentiation

ny
n2 461067697965169
n3 9.900270150677E+21
n4 2.125834221069E+29
n5 4.5646947676059E+36

Nth Root

y√n
2√n 4633.8414949154
3√n 277.94622685421
4√n 68.07232547016
5√n 29.266882885689

Divisors of 21472487

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21472486
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21472487 can be divided by 4 positive divisors. The sum of these divisors (counting 21472487) is 1, the average is 0.25.

Base conversion 21472487

Base System Value
2 Binary 1010001111010010011100111
3 Ternary 1111101220201022
4 Quaternary 1101322103213
5 Quinary 20444104422
6 Senary 2044121355
8 Octal 121722347
10 Decimal 21472487
12 Duodecimal 723625b
16 Hexadecimal 147a4e7
20 Vigesimal 6e4147
36 Base36 cs89z

Cryptographic Hash Functions

md5 3e3824fe478f17ca460e2f9aa6b721a7
sha1 897376ddf18dd07f8488b82a452b38c500338a7c
sha256 cd800dcd8b144837d927cb9f33c02a4ec346aa391bb460b1b97a3f0dfcc6af96
sha512 46fdd1f4c58661575428034e4873fad0912898c0af5d18e5352c73513157df05dbf202e28bab67240153ea5f77c746d32735ead0f56f337293de978268698c81
ripemd-160 cf609afe2ae2a812a3646b4bcd3db89bbc0b9b81

21472487 as geometric shapes

Circle

Radius = n
Diameter 42944974
Circumference 134915614.827
Area 1.4484868927349E+15

Sphere

Radius = n
Volume 4.1470154631895E+22
Surface area 5.7939475709397E+15
Circumference 134915614.827

Square

Length = n
Perimeter 85889948
Area 461067697965169
Diagonal 30366682.33328

Cube

Length = n
Surface area 2766406187791014
Volume 9.900270150677E+21
Space diagonal 37191438.448862

Equilateral Triangle

Length = n
Perimeter 64417461
Area 1.9964816965112E+14
Altitude 18595719.224431

Triangular Pyramid

Length = n
Surface area 1.9964816965112E+14
Volume 1.1667580265204E+21
Height 10122227.444427