18992081 (number)

18992081 is an odd 8-digits composite number following 18992080 and preceding 18992082. In scientific notation, it is written as 1.8992081 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 18977700 positive integers (up to 18992081) that are relatively prime to 18992081.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred ninety-two thousand eighty-one

Notation

Scientific notation 1.8992081 × 10^7
Engineering notation 1.8992081 × 10^6

Prime Factorization of 18992081

Prime Factorization 12911 × 1471

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18992081
Product of the distinct prime numbers

The prime factorization of 18992081 is 12911 × 1471. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18992081)

Multiplication

n×y
n×2 37984162
n×3 56976243
n×4 75968324
n×5 94960405

Division

n÷y
n÷2 9496040.5
n÷3 6330693.6666667
n÷3 4748020.25
n÷5 3798416.2

Exponentiation

ny
n2 360699140710561
n3 6.8504272970054E+21
n4 1.3010387010934E+29
n5 2.47094323953E+36

Nth Root

y√n
2√n 4357.9904772728
3√n 266.8030876633
4√n 66.015077651039
5√n 28.5571268567

Divisors of 18992081

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 -18992080
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 18992081 can be divided by 4 positive divisors. The sum of these divisors (counting 18992081) is 1, the average is 0.25.

Base conversion 18992081

Base System Value
2 Binary 1001000011100101111010001
3 Ternary 1022201220020102
4 Quaternary 1020130233101
5 Quinary 14330221311
6 Senary 1515022145
8 Octal 110345721
10 Decimal 18992081
12 Duodecimal 643a955
16 Hexadecimal 121cbd1
20 Vigesimal 5ie041
36 Base36 bb2dt

Cryptographic Hash Functions

md5 1bda90630a9874d86d490f50b213ea89
sha1 d80ed2af06c6fabe784d6c9a5fd9576215468b5c
sha256 e2a492836d475c4f6f2f2cd88e6b914f91342dc3de6765b2ae9a936352feb46c
sha512 a3e5baf3f5215ea4af91fc212378bc6bec11d808369f7b9275c8744da37fd245f6fe2fa8a28dca688378223918457f03533724fd7d6d34e883eb59f1ccabaaac
ripemd-160 4389937edd69272c27f9736eafc154e344675e0c

18992081 as geometric shapes

Circle

Radius = n
Diameter 37984162
Circumference 119330764.29196
Area 1.1331697706124E+15

Sphere

Radius = n
Volume 2.8695002760297E+22
Surface area 4.5326790824498E+15
Circumference 119330764.29196

Square

Length = n
Perimeter 75968324
Area 360699140710561
Diagonal 26858858.527888

Cube

Length = n
Surface area 2164194844263366
Volume 6.8504272970054E+21
Space diagonal 32895249.233464

Equilateral Triangle

Length = n
Perimeter 56976243
Area 1.5618730948928E+14
Altitude 16447624.616732

Triangular Pyramid

Length = n
Surface area 1.5618730948928E+14
Volume 8.0733059928966E+20
Height 8952952.8426295