20180985 (number)

20180985 is an odd 8-digits composite number following 20180984 and preceding 20180986. In scientific notation, it is written as 2.0180985 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors. There are 9783840 positive integers (up to 20180985) that are relatively prime to 20180985.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty thousand nine hundred eighty-five

Notation

Scientific notation 2.0180985 × 10^7
Engineering notation 2.0180985 × 10^6

Prime Factorization of 20180985

Prime Factorization 3 × 11 × 5 × 11 × 11119

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 1834635
Product of the distinct prime numbers

The prime factorization of 20180985 is 3 × 11 × 5 × 11 × 11119. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 2, 43, 75, 188, 697, 4487, 8369, 26228, 42654, 396320, 889746, 7433276, 8859290, 20702662, 58470276, 276460153, 60360967, 7179135770, 9674379608

Basic calculations (n = 20180985)

Multiplication

n×y
n×2 40361970
n×3 60542955
n×4 80723940
n×5 100904925

Division

n÷y
n÷2 10090492.5
n÷3 6726995
n÷3 5045246.25
n÷5 4036197

Exponentiation

ny
n2 407272155570225
n3 8.2191532624804E+21
n4 1.6587060870282E+29
n5 3.3474322661724E+36

Nth Root

y√n
2√n 4492.325121805
3√n 272.25808566946
4√n 67.024809748368
5√n 28.906031520674

Divisors of 20180985

1, 3, 5, 11, 15, 33, 55, 121, 165, 363, 605, 1815, 11119, 33357, 55595, 122309, 166785, 366927, 611545, 1345399, 1834635, 4036197, 6726995, 20180985

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 -20180984
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 20180985 can be divided by 24 positive divisors. The sum of these divisors (counting 20180985) is 1, the average is 0.041666666666667.

Base conversion 20180985

Base System Value
2 Binary 1001100111110111111111001
3 Ternary 1101222022002220
4 Quaternary 1030332333321
5 Quinary 20131242420
6 Senary 2000314253
8 Octal 114767771
10 Decimal 20180985
12 Duodecimal 6912989
16 Hexadecimal 133eff9
20 Vigesimal 662c95
36 Base36 c0jqx

Cryptographic Hash Functions

md5 5520a06276e7d71ab3eccfce9b0e74e9
sha1 37c0e73542982bc92fe1f4a07b6fe7b7a6e46de8
sha256 fec521e60c9ee13745ef37dae9719089aa3d0672f77ecef43a04bfe6c506bf33
sha512 e9a1c405223ac720ac4b0a2913aa8a019e38a9705030b4fdd60d9de6e651d0b23f53f825ee7a1649a85b892dac69a35c607849c87c7e8d3697f3733252831177
ripemd-160 085d6297a72962b5179218c4278356bacdfd8225

20180985 as geometric shapes

Circle

Radius = n
Diameter 40361970
Circumference 126800868.43641
Area 1.2794832119511E+15

Sphere

Radius = n
Volume 3.4428308677516E+22
Surface area 5.1179328478044E+15
Circumference 126800868.43641

Square

Length = n
Perimeter 80723940
Area 407272155570225
Diagonal 28540222.689048

Cube

Length = n
Surface area 2443632933421350
Volume 8.2191532624804E+21
Space diagonal 34954491.366785

Equilateral Triangle

Length = n
Perimeter 60542955
Area 1.7635401648893E+14
Altitude 17477245.683393

Triangular Pyramid

Length = n
Surface area 1.7635401648893E+14
Volume 9.686365012519E+20
Height 9513407.563016