21493973 (number)

21493973 is an odd 8-digits composite number following 21493972 and preceding 21493974. In scientific notation, it is written as 2.1493973 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 21482028 positive integers (up to 21493973) that are relatively prime to 21493973.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1493973 × 10^7
Engineering notation 2.1493973 × 10^6

Prime Factorization of 21493973

Prime Factorization 9739 × 2207

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21493973
Product of the distinct prime numbers

The prime factorization of 21493973 is 9739 × 2207. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 10, 63, 87, 569, 264, 5721, 1841, 75913, 30670, 30092, 25888, 1649579, 660325, 63554040, 51383240, 420847640, 586566854, 10031762, 8556622659

Basic calculations (n = 21493973)

Multiplication

n×y
n×2 42987946
n×3 64481919
n×4 85975892
n×5 107469865

Division

n÷y
n÷2 10746986.5
n÷3 7164657.6666667
n÷3 5373493.25
n÷5 4298794.6

Exponentiation

ny
n2 461990875324729
n3 9.9300194004761E+21
n4 2.1343556888331E+29
n5 4.5875783548175E+36

Nth Root

y√n
2√n 4636.1592940709
3√n 278.0389029973
4√n 68.089347875207
5√n 29.272737603003

Divisors of 21493973

1, 2207, 9739, 21493973

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 -21493972
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 21493973 can be divided by 4 positive divisors. The sum of these divisors (counting 21493973) is 1, the average is 0.25.

Base conversion 21493973

Base System Value
2 Binary 1010001111111100011010101
3 Ternary 1111110000012002
4 Quaternary 1101333203111
5 Quinary 21000301343
6 Senary 2044405045
8 Octal 121774325
10 Decimal 21493973
12 Duodecimal 7246785
16 Hexadecimal 147f8d5
20 Vigesimal 6e6eid
36 Base36 csout

Cryptographic Hash Functions

md5 0baafc3fdc0cd48b6816076d2253d7d4
sha1 a467075f4f1a2ef37168ba0d0be592b24a78b548
sha256 21ef8dbd0fac7408ad0e3e34951a9ca0c6b8ee43bb2551df27b6ce70057d8b69
sha512 8067b8be4664cf9871242cf9dca743ca8a782e2a973d8d42c400b3656ba25bc5b313b2dfbe2907913802cc8a33e40618a5c0c1ef6c2f7695f21cbb95958da793
ripemd-160 c13a826752a2fd80e0d3a0185a9436984d051b89

21493973 as geometric shapes

Circle

Radius = n
Diameter 42987946
Circumference 135050615.34651
Area 1.4513871399457E+15

Sphere

Radius = n
Volume 4.1594767998053E+22
Surface area 5.8055485597827E+15
Circumference 135050615.34651

Square

Length = n
Perimeter 85975892
Area 461990875324729
Diagonal 30397068.125881

Cube

Length = n
Surface area 2771945251948374
Volume 9.9300194004761E+21
Space diagonal 37228653.292514

Equilateral Triangle

Length = n
Perimeter 64481919
Area 2.0004791717391E+14
Altitude 18614326.646257

Triangular Pyramid

Length = n
Surface area 2.0004791717391E+14
Volume 1.1702640092318E+21
Height 10132356.04196