20165985 (number)

20165985 is an odd 8-digits composite number following 20165984 and preceding 20165986. In scientific notation, it is written as 2.0165985 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 9218592 positive integers (up to 20165985) that are relatively prime to 20165985.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0165985 × 10^7
Engineering notation 2.0165985 × 10^6

Prime Factorization of 20165985

Prime Factorization 9 × 35 × 64019

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20165985
Product of the distinct prime numbers

The prime factorization of 20165985 is 9 × 35 × 64019. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20165985)

Multiplication

n×y
n×2 40331970
n×3 60497955
n×4 80663940
n×5 100829925

Division

n÷y
n÷2 10082992.5
n÷3 6721995
n÷3 5041496.25
n÷5 4033197

Exponentiation

ny
n2 406666951020225
n3 8.2008396342696E+21
n4 1.6537800905209E+29
n5 3.3350104498742E+36

Nth Root

y√n
2√n 4490.6552973926
3√n 272.19061483797
4√n 67.012351827052
5√n 28.901733222639

Divisors of 20165985

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 -20165984
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 20165985 can be divided by 8 positive divisors. The sum of these divisors (counting 20165985) is 1, the average is 0.125.

Base conversion 20165985

Base System Value
2 Binary 1001100111011010101100001
3 Ternary 1101221112112100
4 Quaternary 1030323111201
5 Quinary 20130302420
6 Senary 2000121013
8 Octal 114732541
10 Decimal 20165985
12 Duodecimal 6906169
16 Hexadecimal 133b561
20 Vigesimal 660ej5
36 Base36 c0869

Cryptographic Hash Functions

md5 137cf379fdbbfa047f19b67eff72ad67
sha1 a6655cb4013c1a7b53a34f1016d5a774d1e47963
sha256 cb5d1121dbd0bb1084958e9337b1ea06d598e1d41e620333a5a6a23629794545
sha512 f841e5f0131485a2725bbb9f5b0de50474b931aacbe61c38063bd59e2acaad1978e8a4e6e322d2c8c6b2d9f369c12039d9cbab75fea11b1297c0c58112acfda9
ripemd-160 224a0abdadf225224c8afe680db871a15814173e

20165985 as geometric shapes

Circle

Radius = n
Diameter 40331970
Circumference 126706620.6568
Area 1.2775819057829E+15

Sphere

Radius = n
Volume 3.4351596731052E+22
Surface area 5.1103276231316E+15
Circumference 126706620.6568

Square

Length = n
Perimeter 80663940
Area 406666951020225
Diagonal 28519009.485612

Cube

Length = n
Surface area 2440001706121350
Volume 8.2008396342696E+21
Space diagonal 34928510.604672

Equilateral Triangle

Length = n
Perimeter 60497955
Area 1.7609195523154E+14
Altitude 17464255.302336

Triangular Pyramid

Length = n
Surface area 1.7609195523154E+14
Volume 9.6647821946924E+20
Height 9506336.4952041