21493663 (number)

21493663 is an odd 8-digits composite number following 21493662 and preceding 21493664. In scientific notation, it is written as 2.1493663 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 21477400 positive integers (up to 21493663) that are relatively prime to 21493663.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-three thousand six hundred sixty-three

Notation

Scientific notation 2.1493663 × 10^7
Engineering notation 2.1493663 × 10^6

Prime Factorization of 21493663

Prime Factorization 1451 × 14813

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21493663
Product of the distinct prime numbers

The prime factorization of 21493663 is 1451 × 14813. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21493663)

Multiplication

n×y
n×2 42987326
n×3 64480989
n×4 85974652
n×5 107468315

Division

n÷y
n÷2 10746831.5
n÷3 7164554.3333333
n÷3 5373415.75
n÷5 4298732.6

Exponentiation

ny
n2 461977549157569
n3 9.9295897551587E+21
n4 2.1342325592563E+29
n5 4.5872475392283E+36

Nth Root

y√n
2√n 4636.1258611043
3√n 278.03756630516
4√n 68.08910236671
5√n 29.272653164439

Divisors of 21493663

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 -21493662
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 21493663 can be divided by 4 positive divisors. The sum of these divisors (counting 21493663) is 1, the average is 0.25.

Base conversion 21493663

Base System Value
2 Binary 1010001111111011110011111
3 Ternary 1111102222202121
4 Quaternary 1101333132133
5 Quinary 21000244123
6 Senary 2044403411
8 Octal 121773637
10 Decimal 21493663
12 Duodecimal 7246567
16 Hexadecimal 147f79f
20 Vigesimal 6e6e33
36 Base36 csom7

Cryptographic Hash Functions

md5 2218d830d942ff2376b526284cc6c026
sha1 19bed573305dfb477b0802702fea6a91ae41e81f
sha256 faf5f088eaee4100489c4441f6b4cb36876271fd1b818544f23b2ed97112a59c
sha512 8a284ca32dbf17dc0022b40280d9421395f656ae0d93c999a8b50f473b42c9b921fef5cf9cae1d26aaea282b3af4abeb854f70938ca8df5d792c858aef5a8889
ripemd-160 153357bacd879d5e3d7125ad619144bb667efe09

21493663 as geometric shapes

Circle

Radius = n
Diameter 42987326
Circumference 135048667.55907
Area 1.4513452745568E+15

Sphere

Radius = n
Volume 4.1592968303956E+22
Surface area 5.8053810982273E+15
Circumference 135048667.55907

Square

Length = n
Perimeter 85974652
Area 461977549157569
Diagonal 30396629.719677

Cube

Length = n
Surface area 2771865294945414
Volume 9.9295897551587E+21
Space diagonal 37228116.356763

Equilateral Triangle

Length = n
Perimeter 64480989
Area 2.0004214677426E+14
Altitude 18614058.178382

Triangular Pyramid

Length = n
Surface area 2.0004214677426E+14
Volume 1.1702133750455E+21
Height 10132209.906559