18999748 (number)

18999748 is an even 8-digits composite number following 18999747 and preceding 18999749. In scientific notation, it is written as 1.8999748 × 10^7. The sum of its digits is 55. It has a total of 4 prime factors and 12 positive divisors. There are 9086792 positive integers (up to 18999748) that are relatively prime to 18999748.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred ninety-nine thousand seven hundred forty-eight

Notation

Scientific notation 1.8999748 × 10^7
Engineering notation 1.8999748 × 10^6

Prime Factorization of 18999748

Prime Factorization 2 × 2 × 23 × 206519

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9499874
Product of the distinct prime numbers

The prime factorization of 18999748 is 2 × 2 × 23 × 206519. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 5, 62, 27, 597, 722, 8571, 362, 13489, 4886, 651994, 267961, 1671950, 2597971, 19242272, 99219210, 985975695, 231424334, 9427021719, 2816265137

Basic calculations (n = 18999748)

Multiplication

n×y
n×2 37999496
n×3 56999244
n×4 75998992
n×5 94998740

Division

n÷y
n÷2 9499874
n÷3 6333249.3333333
n÷3 4749937
n÷5 3799949.6

Exponentiation

ny
n2 360990424063504
n3 6.8587270876197E+21
n4 1.3031408626555E+29
n5 2.4759347998957E+36

Nth Root

y√n
2√n 4358.8700370624
3√n 266.83898515257
4√n 66.021739124794
5√n 28.559432155893

Divisors of 18999748

1, 2, 4, 23, 46, 92, 206519, 413038, 826076, 4749937, 9499874, 18999748

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18999747
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18999748 can be divided by 12 positive divisors. The sum of these divisors (counting 18999748) is 1, the average is 0.083333333333333.

Base conversion 18999748

Base System Value
2 Binary 1001000011110100111000100
3 Ternary 1022202021202101
4 Quaternary 1020132213010
5 Quinary 14330442443
6 Senary 1515121444
8 Octal 110364704
10 Decimal 18999748
12 Duodecimal 6443284
16 Hexadecimal 121e9c4
20 Vigesimal 5iej78
36 Base36 bb8as

Cryptographic Hash Functions

md5 bd08e922763b9938fafc0797b2690e68
sha1 75ec31a66e1e7e51d59d86484ffcd21a32722c1e
sha256 f87daa1b28157c4b27bd941a53f6cf7b4cd335eaf25ca7feab6a52869e87a637
sha512 a3d8c473f44851adb756acfcc9e9f2084ab7dc8d8068d54d1f4bf1444a4d5b0683a339b5941c8783404bd9ca63389c7247e3434070d65c6c21c09bfd239b0266
ripemd-160 9458ccd73a4aaf3c3ae3036e2111abeb07ca161e

18999748 as geometric shapes

Circle

Radius = n
Diameter 37999496
Circumference 119378937.47371
Area 1.1340848642542E+15

Sphere

Radius = n
Volume 2.8729768841925E+22
Surface area 4.5363394570167E+15
Circumference 119378937.47371

Square

Length = n
Perimeter 75998992
Area 360990424063504
Diagonal 26869701.303271

Cube

Length = n
Surface area 2165942544381024
Volume 6.8587270876197E+21
Space diagonal 32908528.867005

Equilateral Triangle

Length = n
Perimeter 56999244
Area 1.5631343888096E+14
Altitude 16454264.433503

Triangular Pyramid

Length = n
Surface area 1.5631343888096E+14
Volume 8.0830873899396E+20
Height 8956567.1010904