18782972 (number)

18782972 is an even 8-digits composite number following 18782971 and preceding 18782973. In scientific notation, it is written as 1.8782972 × 10^7. The sum of its digits is 44. It has a total of 4 prime factors and 12 positive divisors. There are 8669040 positive integers (up to 18782972) that are relatively prime to 18782972.

Interesting facts

Basic properties

Name

Name eighteen million seven hundred eighty-two thousand nine hundred seventy-two

Notation

Scientific notation 1.8782972 × 10^7
Engineering notation 1.8782972 × 10^6

Prime Factorization of 18782972

Prime Factorization 2 × 2 × 13 × 361211

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9391486
Product of the distinct prime numbers

The prime factorization of 18782972 is 2 × 2 × 13 × 361211. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18782972)

Multiplication

n×y
n×2 37565944
n×3 56348916
n×4 75131888
n×5 93914860

Division

n÷y
n÷2 9391486
n÷3 6260990.6666667
n÷3 4695743
n÷5 3756594.4

Exponentiation

ny
n2 352800037152784
n3 6.6266332194397E+21
n4 1.2446786621501E+29
n5 2.3378764460162E+36

Nth Root

y√n
2√n 4333.9326252262
3√n 265.82027545215
4√n 65.83261065176
5√n 28.493963406374

Divisors of 18782972

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18782971
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18782972 can be divided by 12 positive divisors. The sum of these divisors (counting 18782972) is 1, the average is 0.083333333333333.

Base conversion 18782972

Base System Value
2 Binary 1000111101001101011111100
3 Ternary 1022100021101122
4 Quaternary 1013221223330
5 Quinary 14302023342
6 Senary 1510330112
8 Octal 107515374
10 Decimal 18782972
12 Duodecimal 6359938
16 Hexadecimal 11e9afc
20 Vigesimal 5h7h8c
36 Base36 b6l18

Cryptographic Hash Functions

md5 37373647719e823faba832a8a178896a
sha1 536ba45ea4552651fcb64d1aeb70d6bab75c6453
sha256 5b053c8cb39589ad597ae1a97d67047d01c815b3f7dc8aa4673abf86505386ef
sha512 69023d25dcade46863cabd1404b6ae9e07f1682469a03bc11eee0e67be09c8bee93544f47890ae2c395dfb1377b4a9552362c65bdfd68d2abd1710586bd8c3d8
ripemd-160 f6089163e8f4e3bab1a41146228966dfe1c6249b

18782972 as geometric shapes

Circle

Radius = n
Diameter 37565944
Circumference 118016893.69557
Area 1.1083540049054E+15

Sphere

Radius = n
Volume 2.7757576320301E+22
Surface area 4.4334160196216E+15
Circumference 118016893.69557

Square

Length = n
Perimeter 75131888
Area 352800037152784
Diagonal 26563133.744074

Cube

Length = n
Surface area 2116800222916704
Volume 6.6266332194397E+21
Space diagonal 32533061.821144

Equilateral Triangle

Length = n
Perimeter 56348916
Area 1.527668973152E+14
Altitude 16266530.910572

Triangular Pyramid

Length = n
Surface area 1.527668973152E+14
Volume 7.8095621431698E+20
Height 8854377.9146914