20168985 (number)

20168985 is an odd 8-digits composite number following 20168984 and preceding 20168986. In scientific notation, it is written as 2.0168985 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 10756784 positive integers (up to 20168985) that are relatively prime to 20168985.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0168985 × 10^7
Engineering notation 2.0168985 × 10^6

Prime Factorization of 20168985

Prime Factorization 15 × 1344599

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20168985
Product of the distinct prime numbers

The prime factorization of 20168985 is 15 × 1344599. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20168985)

Multiplication

n×y
n×2 40337970
n×3 60506955
n×4 80675940
n×5 100844925

Division

n÷y
n÷2 10084492.5
n÷3 6722995
n÷3 5042246.25
n÷5 4033797

Exponentiation

ny
n2 406787955930225
n3 8.2045001813374E+21
n4 1.6547644108989E+29
n5 3.3374918581954E+36

Nth Root

y√n
2√n 4490.9893119445
3√n 272.20411168022
4√n 67.014843967173
5√n 28.902593086817

Divisors of 20168985

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20168984
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20168985 can be divided by 4 positive divisors. The sum of these divisors (counting 20168985) is 1, the average is 0.25.

Base conversion 20168985

Base System Value
2 Binary 1001100111100000100011001
3 Ternary 1101221200122110
4 Quaternary 1030330010121
5 Quinary 20130401420
6 Senary 2000142533
8 Octal 114740431
10 Decimal 20168985
12 Duodecimal 6907a49
16 Hexadecimal 133c119
20 Vigesimal 661295
36 Base36 c0ahl

Cryptographic Hash Functions

md5 264d25b0a5d859d5edde114d8bfe5204
sha1 d2877f1655d9201c1304182f5b65b855d6379e46
sha256 8bbc72e8f44e1653c32b9ac496088309a18ed58ad1af95bd885674b7fae4095d
sha512 869b823ed0f72a1fb15bfbe51160662b6f94b9923ecada70ce202f268c1343eddf0886f01d01843ae53fe88b37a8d0f565ac3d4209202fcef53ddf6ef53e0795
ripemd-160 f3cf3488ef6630b4345104ea8bf27d695d8effab

20168985 as geometric shapes

Circle

Radius = n
Diameter 40337970
Circumference 126725470.21273
Area 1.2779620539192E+15

Sphere

Radius = n
Volume 3.4366929994754E+22
Surface area 5.1118482156768E+15
Circumference 126725470.21273

Square

Length = n
Perimeter 80675940
Area 406787955930225
Diagonal 28523252.1263

Cube

Length = n
Surface area 2440727735581350
Volume 8.2045001813374E+21
Space diagonal 34933706.757095

Equilateral Triangle

Length = n
Perimeter 60506955
Area 1.7614435189456E+14
Altitude 17466853.378547

Triangular Pyramid

Length = n
Surface area 1.7614435189456E+14
Volume 9.6690961907832E+20
Height 9507750.7087665