21493814 (number)

21493814 is an even 8-digits composite number following 21493813 and preceding 21493815. In scientific notation, it is written as 2.1493814 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 9765504 positive integers (up to 21493814) that are relatively prime to 21493814.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-three thousand eight hundred fourteen

Notation

Scientific notation 2.1493814 × 10^7
Engineering notation 2.1493814 × 10^6

Prime Factorization of 21493814

Prime Factorization 2 × 17 × 29 × 21799

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21493814
Product of the distinct prime numbers

The prime factorization of 21493814 is 2 × 17 × 29 × 21799. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21493814)

Multiplication

n×y
n×2 42987628
n×3 64481442
n×4 85975256
n×5 107469070

Division

n÷y
n÷2 10746907
n÷3 7164604.6666667
n÷3 5373453.5
n÷5 4298762.8

Exponentiation

ny
n2 461984040266596
n3 9.9297990324587E+21
n4 2.1342925346105E+29
n5 4.5874086760506E+36

Nth Root

y√n
2√n 4636.1421462246
3√n 278.03821740519
4√n 68.089221953438
5√n 29.272694294313

Divisors of 21493814

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21493813
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21493814 can be divided by 16 positive divisors. The sum of these divisors (counting 21493814) is 1, the average is 0.0625.

Base conversion 21493814

Base System Value
2 Binary 1010001111111100000110110
3 Ternary 1111102222222012
4 Quaternary 1101333200312
5 Quinary 21000300224
6 Senary 2044404222
8 Octal 121774066
10 Decimal 21493814
12 Duodecimal 7246672
16 Hexadecimal 147f836
20 Vigesimal 6e6eae
36 Base36 csoqe

Cryptographic Hash Functions

md5 7af909085cf015161bd0cc13dd82f058
sha1 9c970c4cc585bfb843255eb77ede57b262a69186
sha256 bcc555e499e55bf309b3d0ba81a0d07c5219548b36e64d3a7c976fb3e32c408c
sha512 13ccc5f2a322682566a990d298b0495c6663d91ad59194d804f0ba5fcaafacecabfb5021d10d177211c4b3632e4c1091e90a4357f0202efa89aea136af2ff68c
ripemd-160 019b8b85329c62d01d192a2907da0cd315dafb3f

21493814 as geometric shapes

Circle

Radius = n
Diameter 42987628
Circumference 135049616.32005
Area 1.4513656669773E+15

Sphere

Radius = n
Volume 4.159384492266E+22
Surface area 5.8054626679091E+15
Circumference 135049616.32005

Square

Length = n
Perimeter 85975256
Area 461984040266596
Diagonal 30396843.265925

Cube

Length = n
Surface area 2771904241599576
Volume 9.9297990324587E+21
Space diagonal 37228377.896435

Equilateral Triangle

Length = n
Perimeter 64481442
Area 2.0004495750692E+14
Altitude 18614188.948218

Triangular Pyramid

Length = n
Surface area 2.0004495750692E+14
Volume 1.1702380386119E+21
Height 10132281.088642