18390087 (number)

18390087 is an odd 8-digits composite number following 18390086 and preceding 18390088. In scientific notation, it is written as 1.8390087 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors. There are 11556864 positive integers (up to 18390087) that are relatively prime to 18390087.

Interesting facts

Basic properties

Name

Name eighteen million three hundred ninety thousand eighty-seven

Notation

Scientific notation 1.8390087 × 10^7
Engineering notation 1.8390087 × 10^6

Prime Factorization of 18390087

Prime Factorization 3 × 3 × 23 × 73 × 1217

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 6130029
Product of the distinct prime numbers

The prime factorization of 18390087 is 3 × 3 × 23 × 73 × 1217. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 5, 77, 100, 353, 846, 4604, 1447, 46724, 98786, 643226, 940516, 467946, 6709366, 90277011, 5481879, 775519779, 197711669, 9522342666, 2698434198

Basic calculations (n = 18390087)

Multiplication

n×y
n×2 36780174
n×3 55170261
n×4 73560348
n×5 91950435

Division

n÷y
n÷2 9195043.5
n÷3 6130029
n÷3 4597521.75
n÷5 3678017.4

Exponentiation

ny
n2 338195299867569
n3 6.2194409875557E+21
n4 1.1437606085251E+29
n5 2.103385709795E+36

Nth Root

y√n
2√n 4288.3664722129
3√n 263.95380562267
4√n 65.485620346859
5√n 28.373751234612

Divisors of 18390087

1, 3, 9, 23, 69, 73, 207, 219, 657, 1217, 1679, 3651, 5037, 10953, 15111, 27991, 83973, 88841, 251919, 266523, 799569, 2043343, 6130029, 18390087

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 -18390086
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 18390087 can be divided by 24 positive divisors. The sum of these divisors (counting 18390087) is 1, the average is 0.041666666666667.

Base conversion 18390087

Base System Value
2 Binary 1000110001001110001000111
3 Ternary 1021121022110100
4 Quaternary 1012021301013
5 Quinary 14201440322
6 Senary 1454055143
8 Octal 106116107
10 Decimal 18390087
12 Duodecimal 61aa4b3
16 Hexadecimal 1189c47
20 Vigesimal 5eif47
36 Base36 ay5vr

Cryptographic Hash Functions

md5 61e8a446a8543c5446a06f44c1539bfe
sha1 a8286572e0bc28e32a66fbcf0636ab9e5e5d0a14
sha256 a7b856b95b4bc39bd0977299d90667335225c3d5696024fca9f4d822e56cf987
sha512 3d41fbac3ad4ce125ecbeafc9f0c9448b84596c8221d5a41681203f42ae5259fcfd3bc893d0fbceb74d88be2dc32d6f2b80586320e41834a42fd74ddd26022b2
ripemd-160 b422c01d53e78f49fcff99a1c43bf9f5f33427ac

18390087 as geometric shapes

Circle

Radius = n
Diameter 36780174
Circumference 115548324.43615
Area 1.0624718695426E+15

Sphere

Radius = n
Volume 2.605193348792E+22
Surface area 4.2498874781702E+15
Circumference 115548324.43615

Square

Length = n
Perimeter 73560348
Area 338195299867569
Diagonal 26007510.448621

Cube

Length = n
Surface area 2029171799205414
Volume 6.2194409875557E+21
Space diagonal 31852565.039612

Equilateral Triangle

Length = n
Perimeter 55170261
Area 1.4644286056291E+14
Altitude 15926282.519806

Triangular Pyramid

Length = n
Surface area 1.4644286056291E+14
Volume 7.329681495817E+20
Height 8669170.1495404