18093985 (number)

18093985 is an odd 8-digits composite number following 18093984 and preceding 18093986. In scientific notation, it is written as 1.8093985 × 10^7. The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors. There are 10378368 positive integers (up to 18093985) that are relatively prime to 18093985.

Interesting facts

Basic properties

Name

Name eighteen million ninety-three thousand nine hundred eighty-five

Notation

Scientific notation 1.8093985 × 10^7
Engineering notation 1.8093985 × 10^6

Prime Factorization of 18093985

Prime Factorization 8645 × 7 × 13 × 23

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18093985
Product of the distinct prime numbers

The prime factorization of 18093985 is 8645 × 7 × 13 × 23. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18093985)

Multiplication

n×y
n×2 36187970
n×3 54281955
n×4 72375940
n×5 90469925

Division

n÷y
n÷2 9046992.5
n÷3 6031328.3333333
n÷3 4523496.25
n÷5 3618797

Exponentiation

ny
n2 327392293180225
n3 5.9238312419186E+21
n4 1.0718571363381E+29
n5 1.9394166947044E+36

Nth Root

y√n
2√n 4253.7025048774
3√n 262.52947817102
4√n 65.220414786149
5√n 28.281786874074

Divisors of 18093985

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 -18093984
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 18093985 can be divided by 16 positive divisors. The sum of these divisors (counting 18093985) is 1, the average is 0.0625.

Base conversion 18093985

Base System Value
2 Binary 1000101000001011110100001
3 Ternary 1021001021021121
4 Quaternary 1011001132201
5 Quinary 14113001420
6 Senary 1443452241
8 Octal 105013641
10 Decimal 18093985
12 Duodecimal 6087081
16 Hexadecimal 11417a1
20 Vigesimal 5d1ej5
36 Base36 artep

Cryptographic Hash Functions

md5 b38189abcc5e2f2c6b0ad049615c1a86
sha1 5b82ee5b4ed504a3d70fe7f17685655928abdc48
sha256 e4e60433298f4dca6175a100c34b95a4911578b99b6db2e6fce4a8d576f83d63
sha512 cb62328ab198e8103fe8784f2d738956d65fc8a9cef6dd41ae3272216ca64e7041d60d0cc4a0e3016e67687680075b2ebb88d11704012e2166c1f0066ba85991
ripemd-160 eb38d4e460099bbb11bec44e361318404b887d0a

18093985 as geometric shapes

Circle

Radius = n
Diameter 36187970
Circumference 113687860.70033
Area 1.0285332230969E+15

Sphere

Radius = n
Volume 2.4813686280956E+22
Surface area 4.1141328923876E+15
Circumference 113687860.70033

Square

Length = n
Perimeter 72375940
Area 327392293180225
Diagonal 25588758.984375

Cube

Length = n
Surface area 1964353759081350
Volume 5.9238312419186E+21
Space diagonal 31339701.331389

Equilateral Triangle

Length = n
Perimeter 54281955
Area 1.4176502144866E+14
Altitude 15669850.665695

Triangular Pyramid

Length = n
Surface area 1.4176502144866E+14
Volume 6.9813020696089E+20
Height 8529586.3281251