18378081 (number)

18378081 is an odd 8-digits composite number following 18378080 and preceding 18378082. In scientific notation, it is written as 1.8378081 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 11463936 positive integers (up to 18378081) that are relatively prime to 18378081.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8378081 × 10^7
Engineering notation 1.8378081 × 10^6

Prime Factorization of 18378081

Prime Factorization 9 × 47 × 23 × 1889

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18378081
Product of the distinct prime numbers

The prime factorization of 18378081 is 9 × 47 × 23 × 1889. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 9, 80, 18, 314, 311, 2907, 5726, 64314, 61494, 354670, 678013, 628804, 1310424, 16320576, 77637433, 24998100, 971358639, 998906550, 3674144175

Basic calculations (n = 18378081)

Multiplication

n×y
n×2 36756162
n×3 55134243
n×4 73512324
n×5 91890405

Division

n÷y
n÷2 9189040.5
n÷3 6126027
n÷3 4594520.25
n÷5 3675616.2

Exponentiation

ny
n2 337753861242561
n3 6.2072678199785E+21
n4 1.1407767078426E+29
n5 2.0965286739644E+36

Nth Root

y√n
2√n 4286.9664099454
3√n 263.896352219
4√n 65.474929629175
5√n 28.370045496286

Divisors of 18378081

1, 9, 23, 47, 207, 423, 1081, 1889, 9729, 17001, 43447, 88783, 391023, 799047, 2042009, 18378081

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 -18378080
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 18378081 can be divided by 16 positive divisors. The sum of these divisors (counting 18378081) is 1, the average is 0.0625.

Base conversion 18378081

Base System Value
2 Binary 1000110000110110101100001
3 Ternary 1021120200222200
4 Quaternary 1012012311201
5 Quinary 14201044311
6 Senary 1453523413
8 Octal 106066541
10 Decimal 18378081
12 Duodecimal 61a3569
16 Hexadecimal 1186d61
20 Vigesimal 5eh541
36 Base36 axwm9

Cryptographic Hash Functions

md5 1b2a41958e87a00b7ac42683b2b4e201
sha1 a223f173e57df2e77a72cf4e69e81cf651012303
sha256 6aa3e6da39fd9b4ec101b7ebf520e76d8f6a1101716ec8250eac6195b80174f4
sha512 88967ce3b7d88dfb1018f7dc73f41c3b80dc6d0385b3444a706322e65124fc03ca28fbf983223af135fd45e659ae7166a73121b10b5e20aacf5c39974e581049
ripemd-160 c4aa4bc9e1a3f9108499d2b7e0e8a1c83d8439fc

18378081 as geometric shapes

Circle

Radius = n
Diameter 36756162
Circumference 115472888.51336
Area 1.0610850492012E+15

Sphere

Radius = n
Volume 2.6000942642812E+22
Surface area 4.2443401968049E+15
Circumference 115472888.51336

Square

Length = n
Perimeter 73512324
Area 337753861242561
Diagonal 25990531.400591

Cube

Length = n
Surface area 2026523167455366
Volume 6.2072678199785E+21
Space diagonal 31831770.037616

Equilateral Triangle

Length = n
Perimeter 55134243
Area 1.4625171203117E+14
Altitude 15915885.018808

Triangular Pyramid

Length = n
Surface area 1.4625171203117E+14
Volume 7.3153352802464E+20
Height 8663510.4668638