18394985 (number)

18394985 is an odd 8-digits composite number following 18394984 and preceding 18394986. In scientific notation, it is written as 1.8394985 × 10^7. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 12613680 positive integers (up to 18394985) that are relatively prime to 18394985.

Interesting facts

Basic properties

Name

Name eighteen million three hundred ninety-four thousand nine hundred eighty-five

Notation

Scientific notation 1.8394985 × 10^7
Engineering notation 1.8394985 × 10^6

Prime Factorization of 18394985

Prime Factorization 35 × 525571

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18394985
Product of the distinct prime numbers

The prime factorization of 18394985 is 35 × 525571. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 5, 83, 31, 496, 198, 6200, 6932, 3010, 91800, 627600, 11628, 5144054, 7501210, 58683358, 75966112, 840517296, 837668998, 4248372124, 8908569697

Basic calculations (n = 18394985)

Multiplication

n×y
n×2 36789970
n×3 55184955
n×4 73579940
n×5 91974925

Division

n÷y
n÷2 9197492.5
n÷3 6131661.6666667
n÷3 4598746.25
n÷5 3678997

Exponentiation

ny
n2 338375473150225
n3 6.2244117529663E+21
n4 1.1449796082964E+29
n5 2.1061882719918E+36

Nth Root

y√n
2√n 4288.937514117
3√n 263.97723728595
4√n 65.489980257418
5√n 28.375262481733

Divisors of 18394985

1, 35, 525571, 18394985

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 -18394984
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 18394985 can be divided by 4 positive divisors. The sum of these divisors (counting 18394985) is 1, the average is 0.25.

Base conversion 18394985

Base System Value
2 Binary 1000110001010111101101001
3 Ternary 1021121120011202
4 Quaternary 1012022331221
5 Quinary 14202114420
6 Senary 1454133545
8 Octal 106127551
10 Decimal 18394985
12 Duodecimal 61b12b5
16 Hexadecimal 118af69
20 Vigesimal 5ej795
36 Base36 ay9nt

Cryptographic Hash Functions

md5 3270b85816c5a5d9615bd1a0c575b3e5
sha1 d4c11cfafd0752f9c57ae8717c8c07a8f055369e
sha256 c042752d05ad5fe74c8c7e95844e0a7b600f01a8717846d9ffbba011d40f3f96
sha512 d70106413bff60f4885024e0ce418b9b0ddde21f5319b56cced9488b6f9547b0946a7db80ee37dcbe6e1c3e662c3d36e54de9dad5c01b3293c250f5917329a06
ripemd-160 84205334564b7f8be7d4e38665cad65a5ae376d3

18394985 as geometric shapes

Circle

Radius = n
Diameter 36789970
Circumference 115579099.47779
Area 1.0630379006037E+15

Sphere

Radius = n
Volume 2.6072754981382E+22
Surface area 4.2521516024149E+15
Circumference 115579099.47779

Square

Length = n
Perimeter 73579940
Area 338375473150225
Diagonal 26014437.26665

Cube

Length = n
Surface area 2030252838901350
Volume 6.2244117529663E+21
Space diagonal 31861048.624467

Equilateral Triangle

Length = n
Perimeter 55184955
Area 1.4652087788284E+14
Altitude 15930524.312234

Triangular Pyramid

Length = n
Surface area 1.4652087788284E+14
Volume 7.3355395990329E+20
Height 8671479.0888832