21493668 (number)

21493668 is an even 8-digits composite number following 21493667 and preceding 21493669. In scientific notation, it is written as 2.1493668 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors. There are 6141024 positive integers (up to 21493668) that are relatively prime to 21493668.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1493668 × 10^7
Engineering notation 2.1493668 × 10^6

Prime Factorization of 21493668

Prime Factorization 2 × 2 × 3 × 7 × 255877

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10746834
Product of the distinct prime numbers

The prime factorization of 21493668 is 2 × 2 × 3 × 7 × 255877. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 6, 91, 51, 177, 699, 31, 1934, 77784, 53635, 454604, 566610, 9767425, 2256252, 55989270, 21022618, 563100586, 250508300, 1570261814, 4425685751

Basic calculations (n = 21493668)

Multiplication

n×y
n×2 42987336
n×3 64481004
n×4 85974672
n×5 107468340

Division

n÷y
n÷2 10746834
n÷3 7164556
n÷3 5373417
n÷5 4298733.6

Exponentiation

ny
n2 461977764094224
n3 9.9295966848236E+21
n4 2.134234545175E+29
n5 4.5872528748122E+36

Nth Root

y√n
2√n 4636.1264003476
3√n 278.03758786481
4√n 68.089106326545
5√n 29.272654526359

Divisors of 21493668

1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 255877, 511754, 767631, 1023508, 1535262, 1791139, 3070524, 3582278, 5373417, 7164556, 10746834, 21493668

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21493667
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21493668 can be divided by 24 positive divisors. The sum of these divisors (counting 21493668) is 1, the average is 0.041666666666667.

Base conversion 21493668

Base System Value
2 Binary 1010001111111011110100100
3 Ternary 1111102222202210
4 Quaternary 1101333132210
5 Quinary 21000244133
6 Senary 2044403420
8 Octal 121773644
10 Decimal 21493668
12 Duodecimal 7246570
16 Hexadecimal 147f7a4
20 Vigesimal 6e6e38
36 Base36 csomc

Cryptographic Hash Functions

md5 9f4a036088b1d5f909d3b58f8cdb6f66
sha1 f76e9d8d458e147ed62299555a1e2ca08e73c240
sha256 eeb74746882e4dbe93d0709a560a81015919affaf3d363be0ce3629399af039f
sha512 8efd7dce36dc05ffc8a4969dadffbf5fe4a3a03cb7d1f4397e2d96f37ccb6dcc2f6e1c8f46399f58428288a2b7c435cecc01ac943f1177b5cf7c207520fac8fb
ripemd-160 613a5061b9ce937fe9bd4805a9aaf252bb1ad114

21493668 as geometric shapes

Circle

Radius = n
Diameter 42987336
Circumference 135048698.975
Area 1.4513459498003E+15

Sphere

Radius = n
Volume 4.1592997330868E+22
Surface area 5.805383799201E+15
Circumference 135048698.975

Square

Length = n
Perimeter 85974672
Area 461977764094224
Diagonal 30396636.790745

Cube

Length = n
Surface area 2771866584565344
Volume 9.9295966848236E+21
Space diagonal 37228125.017017

Equilateral Triangle

Length = n
Perimeter 64481004
Area 2.0004223984457E+14
Altitude 18614062.508509

Triangular Pyramid

Length = n
Surface area 2.0004223984457E+14
Volume 1.1702141917144E+21
Height 10132212.263582