18281982 (number)

18281982 is an even 8-digits composite number following 18281981 and preceding 18281983. In scientific notation, it is written as 1.8281982 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 5945280 positive integers (up to 18281982) that are relatively prime to 18281982.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8281982 × 10^7
Engineering notation 1.8281982 × 10^6

Prime Factorization of 18281982

Prime Factorization 2 × 3 × 41 × 74317

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18281982
Product of the distinct prime numbers

The prime factorization of 18281982 is 2 × 3 × 41 × 74317. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 4, 27, 29, 6, 681, 2387, 7691, 93606, 74703, 532773, 310520, 1987210, 7649814, 53310525, 48558285, 24224148, 219257438, 8715312350, 9871131318

Basic calculations (n = 18281982)

Multiplication

n×y
n×2 36563964
n×3 54845946
n×4 73127928
n×5 91409910

Division

n÷y
n÷2 9140991
n÷3 6093994
n÷3 4570495.5
n÷5 3656396.4

Exponentiation

ny
n2 334230865848324
n3 6.1104026732835E+21
n4 1.1171027168572E+29
n5 2.0422851761734E+36

Nth Root

y√n
2√n 4275.7434441276
3√n 263.43557674045
4√n 65.389169165295
5√n 28.34031384631

Divisors of 18281982

1, 2, 3, 6, 41, 82, 123, 246, 74317, 148634, 222951, 445902, 3046997, 6093994, 9140991, 18281982

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18281981
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18281982 can be divided by 16 positive divisors. The sum of these divisors (counting 18281982) is 1, the average is 0.0625.

Base conversion 18281982

Base System Value
2 Binary 1000101101111010111111110
3 Ternary 1021101211011110
4 Quaternary 1011233113332
5 Quinary 14140010412
6 Senary 1451502450
8 Octal 105572776
10 Decimal 18281982
12 Duodecimal 6157a26
16 Hexadecimal 116f5fe
20 Vigesimal 5e54j2
36 Base36 avugu

Cryptographic Hash Functions

md5 569826a6a4e5d0f075431c1d0fa5e0f4
sha1 f1ad9135022139414ffedd0fb5aa817b78bc6a81
sha256 b93b95a05a085d1ab345c6e284535e4c2fe2a0776aa2b417874d0f5af3c368ad
sha512 c12beb8d28a23decac6718fde99adb8abbeb984e2eb09f65fb796e1b4923812dfec0394a788201ab382348ac070a558f6766f592bae12473c91e50188d13d9af
ripemd-160 c9a720ac8aa5405d62f4146dae80fe1f4eed7506

18281982 as geometric shapes

Circle

Radius = n
Diameter 36563964
Circumference 114869080.68852
Area 1.0500172327521E+15

Sphere

Radius = n
Volume 2.559519486515E+22
Surface area 4.2000689310082E+15
Circumference 114869080.68852

Square

Length = n
Perimeter 73127928
Area 334230865848324
Diagonal 25854626.891461

Cube

Length = n
Surface area 2005385195089944
Volume 6.1104026732835E+21
Space diagonal 31665321.68706

Equilateral Triangle

Length = n
Perimeter 54845946
Area 1.4472621027676E+14
Altitude 15832660.84353

Triangular Pyramid

Length = n
Surface area 1.4472621027676E+14
Volume 7.2011786100986E+20
Height 8618208.9638203