18085881 (number)

18085881 is an odd 8-digits composite number following 18085880 and preceding 18085882. In scientific notation, it is written as 1.8085881 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 10931520 positive integers (up to 18085881) that are relatively prime to 18085881.

Interesting facts

Basic properties

Name

Name eighteen million eighty-five thousand eight hundred eighty-one

Notation

Scientific notation 1.8085881 × 10^7
Engineering notation 1.8085881 × 10^6

Prime Factorization of 18085881

Prime Factorization 3 × 11 × 709 × 773

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18085881
Product of the distinct prime numbers

The prime factorization of 18085881 is 3 × 11 × 709 × 773. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 4, 3, 13, 782, 147, 7530, 1046, 87357, 24391, 637445, 3094, 8744493, 7352083, 64399662, 59017652, 946692500, 659325243, 6412287136, 8620676804

Basic calculations (n = 18085881)

Multiplication

n×y
n×2 36171762
n×3 54257643
n×4 72343524
n×5 90429405

Division

n÷y
n÷2 9042940.5
n÷3 6028627
n÷3 4521470.25
n÷5 3617176.2

Exponentiation

ny
n2 327099091546161
n3 5.915875244912E+21
n4 1.0699381569032E+29
n5 1.9350774183111E+36

Nth Root

y√n
2√n 4252.7498162953
3√n 262.490278098
4√n 65.213110769962
5√n 28.279253030113

Divisors of 18085881

1, 3, 11, 33, 709, 773, 2127, 2319, 7799, 8503, 23397, 25509, 548057, 1644171, 6028627, 18085881

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 -18085880
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 18085881 can be divided by 16 positive divisors. The sum of these divisors (counting 18085881) is 1, the average is 0.0625.

Base conversion 18085881

Base System Value
2 Binary 1000100111111011111111001
3 Ternary 1021000212011110
4 Quaternary 1010333133321
5 Quinary 14112222011
6 Senary 1443350533
8 Octal 104773771
10 Decimal 18085881
12 Duodecimal 6082449
16 Hexadecimal 113f7f9
20 Vigesimal 5d0ee1
36 Base36 arn5l

Cryptographic Hash Functions

md5 1fbaf575b2947ec562d36f6e9fa3eb0b
sha1 6d7a7b7bec79159fe834dccada95e46f986aacd9
sha256 cb7ac4c7f45388d5cbea8155fe5b48a145fbe46e6a5a58ff756357559e2823c0
sha512 d0907564d96c7610225a9b356e4a21da783b5c2e899e25e3aa3d99d46cac4f99e7459e5218eaf2a91fb1658e6d14817d47c911be281411416921876d96d99ccd
ripemd-160 b7064ac397d926d0984ba24c8fc446840055addc

18085881 as geometric shapes

Circle

Radius = n
Diameter 36171762
Circumference 113636941.7666
Area 1.0276121029973E+15

Sphere

Radius = n
Volume 2.4780360278626E+22
Surface area 4.1104484119893E+15
Circumference 113636941.7666

Square

Length = n
Perimeter 72343524
Area 327099091546161
Diagonal 25577298.197666

Cube

Length = n
Surface area 1962594549276966
Volume 5.915875244912E+21
Space diagonal 31325664.791645

Equilateral Triangle

Length = n
Perimeter 54257643
Area 1.4163806141689E+14
Altitude 15662832.395822

Triangular Pyramid

Length = n
Surface area 1.4163806141689E+14
Volume 6.9719258372181E+20
Height 8525766.0658886