21493903 (number)

21493903 is an odd 8-digits prime number following 21493902 and preceding 21493904. In scientific notation, it is written as 2.1493903 × 10^7. The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors. There are 21493902 positive integers (up to 21493903) that are relatively prime to 21493903.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-three thousand nine hundred three

Notation

Scientific notation 2.1493903 × 10^7
Engineering notation 2.1493903 × 10^6

Prime Factorization of 21493903

Prime Factorization 21493903

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 21493903
Product of the distinct prime numbers

The prime factorization of 21493903 is 21493903. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21493903)

Multiplication

n×y
n×2 42987806
n×3 64481709
n×4 85975612
n×5 107469515

Division

n÷y
n÷2 10746951.5
n÷3 7164634.3333333
n÷3 5373475.75
n÷5 4298780.6

Exponentiation

ny
n2 461987866173409
n3 9.9299223827082E+21
n4 2.1343278849146E+29
n5 4.587503652855E+36

Nth Root

y√n
2√n 4636.1517447124
3√n 278.03860116471
4√n 68.089292438036
5√n 29.272718536316

Divisors of 21493903

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 21493904
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10746952
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4636.1518525605
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999069504
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21493903 can be divided by 2 positive divisors. The sum of these divisors (counting 21493903) is 21493904, the average is 10746952.

Base conversion 21493903

Base System Value
2 Binary 1010001111111100010001111
3 Ternary 1111110000002111
4 Quaternary 1101333202033
5 Quinary 21000301103
6 Senary 2044404451
8 Octal 121774217
10 Decimal 21493903
12 Duodecimal 7246727
16 Hexadecimal 147f88f
20 Vigesimal 6e6ef3
36 Base36 csosv

Cryptographic Hash Functions

md5 8337579e2dd8186a914fc5c90ec665ff
sha1 75931d9cf1652c831680db8f06d009d3cd8e1988
sha256 393b1e45efe4e7045820b4db5479095dcd0dd8e39849fe1b36f0c3e1d8ee2833
sha512 285fedc9e1017603a8a2caeac833b67d936c9ef03b1bd86c4f17ee5cb813d4cf48f9f7bca93af73274aef77efba79d0d0bd1368f7fe647d730ffe9c28b2d0876
ripemd-160 f9022857e86b6b4f5b2e2abbf3bd2bd9c7a40fdd

21493903 as geometric shapes

Circle

Radius = n
Diameter 42987806
Circumference 135050175.52354
Area 1.451377686418E+15

Sphere

Radius = n
Volume 4.1594361610977E+22
Surface area 5.805510745672E+15
Circumference 135050175.52354

Square

Length = n
Perimeter 85975612
Area 461987866173409
Diagonal 30396969.130932

Cube

Length = n
Surface area 2771927197040454
Volume 9.9299223827082E+21
Space diagonal 37228532.048957

Equilateral Triangle

Length = n
Perimeter 64481709
Area 2.0004661417317E+14
Altitude 18614266.024479

Triangular Pyramid

Length = n
Surface area 2.0004661417317E+14
Volume 1.1702525755782E+21
Height 10132323.043644