18281406 (number)

18281406 is an even 8-digits composite number following 18281405 and preceding 18281407. In scientific notation, it is written as 1.8281406 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 5079360 positive integers (up to 18281406) that are relatively prime to 18281406.

Interesting facts

Basic properties

Name

Name eighteen million two hundred eighty-one thousand four hundred six

Notation

Scientific notation 1.8281406 × 10^7
Engineering notation 1.8281406 × 10^6

Prime Factorization of 18281406

Prime Factorization 2 × 3 × 20449 × 149

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18281406
Product of the distinct prime numbers

The prime factorization of 18281406 is 2 × 3 × 20449 × 149. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 8, 73, 40, 709, 164, 593, 5710, 95444, 22310, 645813, 492190, 6979958, 2737985, 15952236, 65651031, 332600595, 539668048, 5341404403, 5492570139

Basic calculations (n = 18281406)

Multiplication

n×y
n×2 36562812
n×3 54844218
n×4 73125624
n×5 91407030

Division

n÷y
n÷2 9140703
n÷3 6093802
n÷3 4570351.5
n÷5 3656281.2

Exponentiation

ny
n2 334209805336836
n3 6.1098251405437E+21
n4 1.1169619398329E+29
n5 2.0419634708632E+36

Nth Root

y√n
2√n 4275.6760868897
3√n 263.43281007314
4√n 65.388654114377
5√n 28.340135263632

Divisors of 18281406

1, 2, 3, 6, 149, 298, 447, 894, 20449, 40898, 61347, 122694, 3046901, 6093802, 9140703, 18281406

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 -18281405
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 18281406 can be divided by 16 positive divisors. The sum of these divisors (counting 18281406) is 1, the average is 0.0625.

Base conversion 18281406

Base System Value
2 Binary 1000101101111001110111110
3 Ternary 1021101210101010
4 Quaternary 1011233032332
5 Quinary 14140001111
6 Senary 1451500050
8 Octal 105571676
10 Decimal 18281406
12 Duodecimal 6157626
16 Hexadecimal 116f3be
20 Vigesimal 5e53a6
36 Base36 avu0u

Cryptographic Hash Functions

md5 3559cceed8b41cf14116ecd37c54d3f8
sha1 fca67b2044c07021d86acfeaa5226619491b0ec5
sha256 1b3bb9d1e199a56bd9c6494c8b71a6fae7760a6d47bf74fdfd2bc65a639f36f8
sha512 ac1ce928638c951c092b771bda5c5e64c0a299fe0e2cf05c3edbb63a1e73a5da6ac36b82ff20fd5e59cad1f91f9c47b96211704cff4a3cc0037437742342408b
ripemd-160 0b93a3c54763bfb8a5dc474129708a42103492d5

18281406 as geometric shapes

Circle

Radius = n
Diameter 36562812
Circumference 114865461.57378
Area 1.0499510692039E+15

Sphere

Radius = n
Volume 2.5592775701667E+22
Surface area 4.1998042768155E+15
Circumference 114865461.57378

Square

Length = n
Perimeter 73125624
Area 334209805336836
Diagonal 25853812.304449

Cube

Length = n
Surface area 2005258832021016
Volume 6.1098251405437E+21
Space diagonal 31664324.025795

Equilateral Triangle

Length = n
Perimeter 54844218
Area 1.4471709080778E+14
Altitude 15832162.012897

Triangular Pyramid

Length = n
Surface area 1.4471709080778E+14
Volume 7.2004979812375E+20
Height 8617937.4348163