18381838 (number)

18381838 is an even 8-digits composite number following 18381837 and preceding 18381839. In scientific notation, it is written as 1.8381838 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 8989056 positive integers (up to 18381838) that are relatively prime to 18381838.

Interesting facts

Basic properties

Name

Name eighteen million three hundred eighty-one thousand eight hundred thirty-eight

Notation

Scientific notation 1.8381838 × 10^7
Engineering notation 1.8381838 × 10^6

Prime Factorization of 18381838

Prime Factorization 2 × 137 × 73 × 919

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18381838
Product of the distinct prime numbers

The prime factorization of 18381838 is 2 × 137 × 73 × 919. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 5, 30, 6, 834, 711, 5400, 1062, 69593, 29598, 441604, 998254, 1173965, 6425742, 87542934, 32075125, 650188822, 744982575, 5379014776, 6621767567

Basic calculations (n = 18381838)

Multiplication

n×y
n×2 36763676
n×3 55145514
n×4 73527352
n×5 91909190

Division

n÷y
n÷2 9190919
n÷3 6127279.3333333
n÷3 4595459.5
n÷5 3676367.6

Exponentiation

ny
n2 337891968258244
n3 6.2110754220242E+21
n4 1.1417098221343E+29
n5 2.0986724993482E+36

Nth Root

y√n
2√n 4287.4045761976
3√n 263.914333622
4√n 65.478275604948
5√n 28.371205329527

Divisors of 18381838

1, 2, 73, 137, 146, 274, 919, 1838, 10001, 20002, 67087, 125903, 134174, 251806, 9190919, 18381838

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 -18381837
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 18381838 can be divided by 16 positive divisors. The sum of these divisors (counting 18381838) is 1, the average is 0.0625.

Base conversion 18381838

Base System Value
2 Binary 1000110000111110000001110
3 Ternary 1021120220010211
4 Quaternary 1012013300032
5 Quinary 14201204323
6 Senary 1453553034
8 Octal 106076016
10 Decimal 18381838
12 Duodecimal 61a577a
16 Hexadecimal 1187c0e
20 Vigesimal 5ehebi
36 Base36 axzim

Cryptographic Hash Functions

md5 462bf96fe8f788640a5f61b9b1e84add
sha1 636972d5585efcb75b2dabf0006b852688d96061
sha256 6b5aca89d6cb6a3fca8d8ea613b0a3353bd6fd92221d915a9b0e5093327610bf
sha512 2b94e5289fa659a0f33cbe3eef299291aba77ebf2d72250cdf025a2cefd716e23954faab2e4c53e1efa4146d8d7ac91fd693cc43df96f767269bb06d4cd97e21
ripemd-160 74f361ce2227272f3d09b16d5be178f2b3dc5687

18381838 as geometric shapes

Circle

Radius = n
Diameter 36763676
Circumference 115496494.44056
Area 1.0615189251871E+15

Sphere

Radius = n
Volume 2.6016891888964E+22
Surface area 4.2460757007484E+15
Circumference 115496494.44056

Square

Length = n
Perimeter 73527352
Area 337891968258244
Diagonal 25995844.600945

Cube

Length = n
Surface area 2027351809549464
Volume 6.2110754220242E+21
Space diagonal 31838277.3525

Equilateral Triangle

Length = n
Perimeter 55145514
Area 1.4631151412318E+14
Altitude 15919138.67625

Triangular Pyramid

Length = n
Surface area 1.4631151412318E+14
Volume 7.3198225822907E+20
Height 8665281.5336484