18081245 (number)

18081245 is an odd 8-digits composite number following 18081244 and preceding 18081246. In scientific notation, it is written as 1.8081245 × 10^7. The sum of its digits is 29. It has a total of 5 prime factors and 32 positive divisors. There are 11430720 positive integers (up to 18081245) that are relatively prime to 18081245.

Interesting facts

Basic properties

Name

Name eighteen million eighty-one thousand two hundred forty-five

Notation

Scientific notation 1.8081245 × 10^7
Engineering notation 1.8081245 × 10^6

Prime Factorization of 18081245

Prime Factorization 5 × 49 × 7 × 13 × 811

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 18081245
Product of the distinct prime numbers

The prime factorization of 18081245 is 5 × 49 × 7 × 13 × 811. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 3, 25, 89, 668, 147, 7172, 4490, 87899, 47234, 299643, 675716, 2806470, 3946364, 9600862, 1234125, 297740923, 602453831, 8980997154, 1650373921

Basic calculations (n = 18081245)

Multiplication

n×y
n×2 36162490
n×3 54243735
n×4 72324980
n×5 90406225

Division

n÷y
n÷2 9040622.5
n÷3 6027081.6666667
n÷3 4520311.25
n÷5 3616249

Exponentiation

ny
n2 326931420750025
n3 5.9113271167793E+21
n4 1.0688415387363E+29
n5 1.9325985728068E+36

Nth Root

y√n
2√n 4252.2047222588
3√n 262.46784791389
4√n 65.208931307443
5√n 28.277803102831

Divisors of 18081245

1, 5, 7, 13, 35, 49, 65, 91, 245, 343, 455, 637, 811, 1715, 3185, 4055, 4459, 5677, 10543, 22295, 28385, 39739, 52715, 73801, 198695, 278173, 369005, 516607, 1390865, 2583035, 3616249, 18081245

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 -18081244
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 18081245 can be divided by 32 positive divisors. The sum of these divisors (counting 18081245) is 1, the average is 0.03125.

Base conversion 18081245

Base System Value
2 Binary 1000100111110010111011101
3 Ternary 1021000121210202
4 Quaternary 1010332113131
5 Quinary 14112044440
6 Senary 1443313245
8 Octal 104762735
10 Decimal 18081245
12 Duodecimal 607b825
16 Hexadecimal 113e5dd
20 Vigesimal 5d0325
36 Base36 arjkt

Cryptographic Hash Functions

md5 d4f4c36bab7580acb5234982aa9238c1
sha1 bba6b5fa04fb479e6648d4d1ca04e506558fba63
sha256 7ffdd06dd5efebaae88bb342d9f2068a7eb058f062555bc052d91252b33f5ffd
sha512 f7b9eafea409dbb44f522ef77cf8b46c8b1f1d149e12a2fb1238c62e609990ba19d6ac313b28b681a904ade26d92e27548b9874e255ff88185f7854c0ed536c2
ripemd-160 ad8a59a70d3fa87d1842ede1b4df26c8e2dbe831

18081245 as geometric shapes

Circle

Radius = n
Diameter 36162490
Circumference 113607812.91951
Area 1.027085349656E+15

Sphere

Radius = n
Volume 2.4761309124053E+22
Surface area 4.1083413986238E+15
Circumference 113607812.91951

Square

Length = n
Perimeter 72324980
Area 326931420750025
Diagonal 25570741.903591

Cube

Length = n
Surface area 1961588524500150
Volume 5.9113271167793E+21
Space diagonal 31317635.004101

Equilateral Triangle

Length = n
Perimeter 54243735
Area 1.4156545783243E+14
Altitude 15658817.50205

Triangular Pyramid

Length = n
Surface area 1.4156545783243E+14
Volume 6.9665658168109E+20
Height 8523580.6345302