18746989 (number)

18746989 is an odd 8-digits prime number following 18746988 and preceding 18746990. In scientific notation, it is written as 1.8746989 × 10^7. The sum of its digits is 52. It has a total of 1 prime factors and 2 positive divisors. There are 18746988 positive integers (up to 18746989) that are relatively prime to 18746989.

Interesting facts

Basic properties

Name

Name eighteen million seven hundred forty-six thousand nine hundred eighty-nine

Notation

Scientific notation 1.8746989 × 10^7
Engineering notation 1.8746989 × 10^6

Prime Factorization of 18746989

Prime Factorization 18746989

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 18746989
Product of the distinct prime numbers

The prime factorization of 18746989 is 18746989. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18746989)

Multiplication

n×y
n×2 37493978
n×3 56240967
n×4 74987956
n×5 93734945

Division

n÷y
n÷2 9373494.5
n÷3 6248996.3333333
n÷3 4686747.25
n÷5 3749397.8

Exponentiation

ny
n2 351449596566121
n3 6.5886217208795E+21
n4 1.2351681892649E+29
n5 2.3155684457299E+36

Nth Root

y√n
2√n 4329.7793246308
3√n 265.65042080125
4√n 65.801058689285
5√n 28.483037714048

Divisors of 18746989

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 18746990
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 9373495
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4329.7794401101
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999998933162
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18746989 can be divided by 2 positive divisors. The sum of these divisors (counting 18746989) is 18746990, the average is 9373495.

Base conversion 18746989

Base System Value
2 Binary 1000111100000111001101101
3 Ternary 1022021110000221
4 Quaternary 1013200321231
5 Quinary 14244400424
6 Senary 1505451341
8 Octal 107407155
10 Decimal 18746989
12 Duodecimal 6340b51
16 Hexadecimal 11e0e6d
20 Vigesimal 5h3799
36 Base36 b5t9p

Cryptographic Hash Functions

md5 3f990d796773c750345f104933761061
sha1 5dcc0a409c53d0d900e2f2e89b46d2221b441edf
sha256 a04dbe67526d90e510da5505152d44d91de5ef79a0613389d229a1ccf0d0edfd
sha512 088ce9d2a877cde149e8ea1bcca0afd72af9a57f7713b5c3e3e384662b2eca5f22bd07f4ec976d15fa8c68a80a8e650df19502c4c58eeec48c31c429c760aa71
ripemd-160 0707332f858716d192b6c4453dae08432a6dbfe1

18746989 as geometric shapes

Circle

Radius = n
Diameter 37493978
Circumference 117790805.83866
Area 1.1041114706792E+15

Sphere

Radius = n
Volume 2.7598354127463E+22
Surface area 4.4164458827169E+15
Circumference 117790805.83866

Square

Length = n
Perimeter 74987956
Area 351449596566121
Diagonal 26512246.097459

Cube

Length = n
Surface area 2108697579396726
Volume 6.5886217208795E+21
Space diagonal 32470737.436935

Equilateral Triangle

Length = n
Perimeter 56240967
Area 1.5218213938803E+14
Altitude 16235368.718467

Triangular Pyramid

Length = n
Surface area 1.5218213938803E+14
Volume 7.7647651625115E+20
Height 8837415.3658197