18981922 (number)

18981922 is an even 8-digits composite number following 18981921 and preceding 18981923. In scientific notation, it is written as 1.8981922 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 9484800 positive integers (up to 18981922) that are relatively prime to 18981922.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8981922 × 10^7
Engineering notation 1.8981922 × 10^6

Prime Factorization of 18981922

Prime Factorization 2 × 3041 × 3121

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18981922
Product of the distinct prime numbers

The prime factorization of 18981922 is 2 × 3041 × 3121. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18981922)

Multiplication

n×y
n×2 37963844
n×3 56945766
n×4 75927688
n×5 94909610

Division

n÷y
n÷2 9490961
n÷3 6327307.3333333
n÷3 4745480.5
n÷5 3796384.4

Exponentiation

ny
n2 360313362814084
n3 6.8394401484946E+21
n4 1.2982571942239E+29
n5 2.4643416796698E+36

Nth Root

y√n
2√n 4356.8247612223
3√n 266.75550755186
4√n 66.006247895349
5√n 28.554071120524

Divisors of 18981922

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 -18981921
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 18981922 can be divided by 8 positive divisors. The sum of these divisors (counting 18981922) is 1, the average is 0.125.

Base conversion 18981922

Base System Value
2 Binary 1001000011010010000100010
3 Ternary 1022201101022011
4 Quaternary 1020122100202
5 Quinary 14324410142
6 Senary 1514503134
8 Octal 110322042
10 Decimal 18981922
12 Duodecimal 6434aaa
16 Hexadecimal 121a422
20 Vigesimal 5iceg2
36 Base36 baujm

Cryptographic Hash Functions

md5 3746919909904de11613402bd1fe3577
sha1 3634f5d8a130d6e120e7adfabef57c3c51a8897f
sha256 57daf169841c35a3323ed3cfccfec3af8106c594d1a5861cfea510f0041a2492
sha512 acdb1efa045cf587e4b5611a7b123c642e6911f84a6859bcee6bb9a0f2797db26b26943f347b30e939ded43784231926b324ce14a3bc06b98d9e4e727f0401df
ripemd-160 87013f586a11b3fed8b07a0e2c1c0166ef22589e

18981922 as geometric shapes

Circle

Radius = n
Diameter 37963844
Circumference 119266933.41243
Area 1.131957813607E+15

Sphere

Radius = n
Volume 2.8648979900237E+22
Surface area 4.5278312544278E+15
Circumference 119266933.41243

Square

Length = n
Perimeter 75927688
Area 360313362814084
Diagonal 26844491.532308

Cube

Length = n
Surface area 2161880176884504
Volume 6.8394401484946E+21
Space diagonal 32877653.329309

Equilateral Triangle

Length = n
Perimeter 56945766
Area 1.5602026276E+14
Altitude 16438826.664655

Triangular Pyramid

Length = n
Surface area 1.5602026276E+14
Volume 8.0603575142002E+20
Height 8948163.8441027