18998725 (number)

18998725 is an odd 8-digits composite number following 18998724 and preceding 18998726. In scientific notation, it is written as 1.8998725 × 10^7. The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors. There are 15134720 positive integers (up to 18998725) that are relatively prime to 18998725.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred ninety-eight thousand seven hundred twenty-five

Notation

Scientific notation 1.8998725 × 10^7
Engineering notation 1.8998725 × 10^6

Prime Factorization of 18998725

Prime Factorization 25 × 257 × 2957

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18998725
Product of the distinct prime numbers

The prime factorization of 18998725 is 25 × 257 × 2957. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18998725)

Multiplication

n×y
n×2 37997450
n×3 56996175
n×4 75994900
n×5 94993625

Division

n÷y
n÷2 9499362.5
n÷3 6332908.3333333
n÷3 4749681.25
n÷5 3799745

Exponentiation

ny
n2 360951551625625
n3 6.8576192676586E+21
n4 1.3028602262095E+29
n5 2.4752683151191E+36

Nth Root

y√n
2√n 4358.7526885567
3√n 266.83419594552
4√n 66.020850407706
5√n 28.559124605199

Divisors of 18998725

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18998724
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18998725 can be divided by 8 positive divisors. The sum of these divisors (counting 18998725) is 1, the average is 0.125.

Base conversion 18998725

Base System Value
2 Binary 1001000011110010111000101
3 Ternary 1022202020100111
4 Quaternary 1020132113011
5 Quinary 14330424400
6 Senary 1515113021
8 Octal 110362705
10 Decimal 18998725
12 Duodecimal 6442771
16 Hexadecimal 121e5c5
20 Vigesimal 5iegg5
36 Base36 bb7id

Cryptographic Hash Functions

md5 d9f6d0a64e95bdd421cbb503cd85e25b
sha1 9d145933743ae53b3dc49306f61c77355a3f11ed
sha256 7b5bcc40050a476519e3ce0e6a522ce397a1e43eed5c3ea0cb0fcf0463599ee9
sha512 7aa4856b74f42998ee9de8c582c577d676e25a09bc2bd491de5b4263c08052235d97b3489583e2e3bf5490c123a50d8015a11d402b574c5cb7f8c59b6c786f05
ripemd-160 91db18254be1a4bb840d4f7589c2229ae4267251

18998725 as geometric shapes

Circle

Radius = n
Diameter 37997450
Circumference 119372509.77515
Area 1.1339627428889E+15

Sphere

Radius = n
Volume 2.8725128416523E+22
Surface area 4.5358509715556E+15
Circumference 119372509.77515

Square

Length = n
Perimeter 75994900
Area 360951551625625
Diagonal 26868254.562797

Cube

Length = n
Surface area 2165709309753750
Volume 6.8576192676586E+21
Space diagonal 32906756.979029

Equilateral Triangle

Length = n
Perimeter 56996175
Area 1.562966066216E+14
Altitude 16453378.489515

Triangular Pyramid

Length = n
Surface area 1.562966066216E+14
Volume 8.0817818115948E+20
Height 8956084.8542656