18393940 (number)

18393940 is an even 8-digits composite number following 18393939 and preceding 18393941. In scientific notation, it is written as 1.8393940 × 10^7. The sum of its digits is 37. It has a total of 5 prime factors and 24 positive divisors. There are 7236480 positive integers (up to 18393940) that are relatively prime to 18393940.

Interesting facts

Basic properties

Name

Name eighteen million three hundred ninety-three thousand nine hundred forty

Notation

Scientific notation 1.8393940 × 10^7
Engineering notation 1.8393940 × 10^6

Prime Factorization of 18393940

Prime Factorization 2 × 2 × 5 × 61 × 15077

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 9196970
Product of the distinct prime numbers

The prime factorization of 18393940 is 2 × 2 × 5 × 61 × 15077. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 1, 39, 57, 926, 429, 6362, 6783, 35454, 31136, 613325, 31141, 5266843, 3358682, 39646475, 88148893, 663305130, 274621924, 4758407836, 3060584380

Basic calculations (n = 18393940)

Multiplication

n×y
n×2 36787880
n×3 55181820
n×4 73575760
n×5 91969700

Division

n÷y
n÷2 9196970
n÷3 6131313.3333333
n÷3 4598485
n÷5 3678788

Exponentiation

ny
n2 338337028723600
n3 6.2233510061202E+21
n4 1.1447194500551E+29
n5 2.1055900881147E+36

Nth Root

y√n
2√n 4288.8156873431
3√n 263.97223843369
4√n 65.489050133156
5√n 28.374940080567

Divisors of 18393940

1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 15077, 30154, 60308, 75385, 150770, 301540, 919697, 1839394, 3678788, 4598485, 9196970, 18393940

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18393939
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18393940 can be divided by 24 positive divisors. The sum of these divisors (counting 18393940) is 1, the average is 0.041666666666667.

Base conversion 18393940

Base System Value
2 Binary 1000110001010101101010100
3 Ternary 1021121111202001
4 Quaternary 1012022231110
5 Quinary 14202101230
6 Senary 1454125044
8 Octal 106125524
10 Decimal 18393940
12 Duodecimal 61b0784
16 Hexadecimal 118ab54
20 Vigesimal 5ej4h0
36 Base36 ay8us

Cryptographic Hash Functions

md5 eb7be8e0fa3fb4c047989cd1ca3c80e9
sha1 290428d136cd88369322f23a0ee8538750a9e63b
sha256 ea36e43ee984673e3c8e38acd69db0969e27e2711cbadb8401705e416f32817b
sha512 25428b1dc80612bafb8e75e868c5aed92be9609c7358dac2298d7b3b1af3eaf6435aa229dc67d437db0cec00ee5e62bfb09951349fcca9b2a40b76f645384480
ripemd-160 50164a4d7be9d5f459361c95cfb8074d73a1ccfe

18393940 as geometric shapes

Circle

Radius = n
Diameter 36787880
Circumference 115572533.54914
Area 1.0629171238755E+15

Sphere

Radius = n
Volume 2.6068311735384E+22
Surface area 4.2516684955018E+15
Circumference 115572533.54914

Square

Length = n
Perimeter 73575760
Area 338337028723600
Diagonal 26012959.413477

Cube

Length = n
Surface area 2030022172341600
Volume 6.2233510061202E+21
Space diagonal 31859238.631373

Equilateral Triangle

Length = n
Perimeter 55181820
Area 1.4650423095779E+14
Altitude 15929619.315687

Triangular Pyramid

Length = n
Surface area 1.4650423095779E+14
Volume 7.3342894968862E+20
Height 8670986.471159