20118985 (number)

20118985 is an odd 8-digits composite number following 20118984 and preceding 20118986. In scientific notation, it is written as 2.0118985 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 16010160 positive integers (up to 20118985) that are relatively prime to 20118985.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0118985 × 10^7
Engineering notation 2.0118985 × 10^6

Prime Factorization of 20118985

Prime Factorization 5 × 191 × 21067

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20118985
Product of the distinct prime numbers

The prime factorization of 20118985 is 5 × 191 × 21067. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20118985)

Multiplication

n×y
n×2 40237970
n×3 60356955
n×4 80475940
n×5 100594925

Division

n÷y
n÷2 10059492.5
n÷3 6706328.3333333
n÷3 5029746.25
n÷5 4023797

Exponentiation

ny
n2 404773557430225
n3 8.1436331303353E+21
n4 1.6384163279472E+29
n5 3.2963273525725E+36

Nth Root

y√n
2√n 4485.4191554413
3√n 271.97898933007
4√n 66.973271948154
5√n 28.888248638534

Divisors of 20118985

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20118984
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20118985 can be divided by 8 positive divisors. The sum of these divisors (counting 20118985) is 1, the average is 0.125.

Base conversion 20118985

Base System Value
2 Binary 1001100101111110111001001
3 Ternary 1101212011001121
4 Quaternary 1030233313021
5 Quinary 20122301420
6 Senary 1555115241
8 Octal 114576711
10 Decimal 20118985
12 Duodecimal 68a2b21
16 Hexadecimal 132fdc9
20 Vigesimal 65eh95
36 Base36 bz7wp

Cryptographic Hash Functions

md5 846a44d7657d87fd00a3ad00e4e279ac
sha1 32bb347a693ede13b8612dcfbcaad915b361577a
sha256 c5d7fcc7c4484de8d7c5d455f9e7ffabc319c5de13f56e67cdefdc1c562ba986
sha512 e307116be1a167263d39545597e059c9a89942dad32609ea29cbca1822eba0a4233745574663c6a090b7e1cf6ce9073c36354f4c9d68c094b5cdf38123af3e5e
ripemd-160 a98f1b42d45be8c25098cced130d053baca20440

20118985 as geometric shapes

Circle

Radius = n
Diameter 40237970
Circumference 126411310.94737
Area 1.2716336343902E+15

Sphere

Radius = n
Volume 3.4111970687723E+22
Surface area 5.0865345375608E+15
Circumference 126411310.94737

Square

Length = n
Perimeter 80475940
Area 404773557430225
Diagonal 28452541.448181

Cube

Length = n
Surface area 2428641344581350
Volume 8.1436331303353E+21
Space diagonal 34847104.216716

Equilateral Triangle

Length = n
Perimeter 60356955
Area 1.7527209175739E+14
Altitude 17423552.108358

Triangular Pyramid

Length = n
Surface area 1.7527209175739E+14
Volume 9.5973636832592E+20
Height 9484180.482727