21493810 (number)

21493810 is an even 8-digits composite number following 21493809 and preceding 21493811. In scientific notation, it is written as 2.1493810 × 10^7. The sum of its digits is 28. It has a total of 5 prime factors and 32 positive divisors. There are 7852800 positive integers (up to 21493810) that are relatively prime to 21493810.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1493810 × 10^7
Engineering notation 2.1493810 × 10^6

Prime Factorization of 21493810

Prime Factorization 2 × 13 × 5 × 101 × 1637

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21493810
Product of the distinct prime numbers

The prime factorization of 21493810 is 2 × 13 × 5 × 101 × 1637. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 10, 97, 96, 355, 719, 2581, 747, 5559, 53557, 460617, 773490, 9565356, 7531360, 15611418, 59861926, 19926754, 796480269, 4161174212, 5924839396

Basic calculations (n = 21493810)

Multiplication

n×y
n×2 42987620
n×3 64481430
n×4 85975240
n×5 107469050

Division

n÷y
n÷2 10746905
n÷3 7164603.3333333
n÷3 5373452.5
n÷5 4298762

Exponentiation

ny
n2 461983868316100
n3 9.9297934886513E+21
n4 2.1342909458431E+29
n5 4.5874044074671E+36

Nth Root

y√n
2√n 4636.1417148314
3√n 278.03820015755
4√n 68.089218785586
5√n 29.272693204783

Divisors of 21493810

1, 2, 5, 10, 13, 26, 65, 101, 130, 202, 505, 1010, 1313, 1637, 2626, 3274, 6565, 8185, 13130, 16370, 21281, 42562, 106405, 165337, 212810, 330674, 826685, 1653370, 2149381, 4298762, 10746905, 21493810

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21493809
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21493810 can be divided by 32 positive divisors. The sum of these divisors (counting 21493810) is 1, the average is 0.03125.

Base conversion 21493810

Base System Value
2 Binary 1010001111111100000110010
3 Ternary 1111102222222001
4 Quaternary 1101333200302
5 Quinary 21000300220
6 Senary 2044404214
8 Octal 121774062
10 Decimal 21493810
12 Duodecimal 724666a
16 Hexadecimal 147f832
20 Vigesimal 6e6eaa
36 Base36 csoqa

Cryptographic Hash Functions

md5 ad53788fabf742c060e785b2ce81ce77
sha1 54f03ee4c8f4668b7fd0bf9dfd8b191d555a4ad6
sha256 f553057d7f41dbe564aaf29fe0d29963ec17a3b2068d70446fb624183856b945
sha512 092853791c8160fedd5fb33ae2aa0c8e089939a2709bf168a43b7da549de59a96d2ce6307b0e5d1c0dd1a209f87cc25525aaf63a313d61f56c0f5df54fae6b9a
ripemd-160 0055c3ba0c7a86e911b517d6dfb6139bff0d768f

21493810 as geometric shapes

Circle

Radius = n
Diameter 42987620
Circumference 135049591.18731
Area 1.4513651267789E+15

Sphere

Radius = n
Volume 4.1593821700814E+22
Surface area 5.8054605071154E+15
Circumference 135049591.18731

Square

Length = n
Perimeter 85975240
Area 461983868316100
Diagonal 30396837.60907

Cube

Length = n
Surface area 2771903209896600
Volume 9.9297934886513E+21
Space diagonal 37228370.968232

Equilateral Triangle

Length = n
Perimeter 64481430
Area 2.0004488305017E+14
Altitude 18614185.484116

Triangular Pyramid

Length = n
Surface area 2.0004488305017E+14
Volume 1.1702373852679E+21
Height 10132279.203023