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.
20165985 has 8 divisors, whose sum is 23047200
The reverse of 20165985 is 58956102
Previous prime number is 35
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million one hundred sixty-five thousand nine hundred eighty-five
Scientific notation
2.0165985 × 10^7
Engineering notation
2.0165985 × 10^6
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.
6 , 1 , 64 , 44 , 259 , 12 , 1944 , 2920 , 58341 , 94810 , 274364 , 303144 , 9524031 , 3039920 , 89739347 , 42414722 , 768334803 , 782818204 , 7450312475 , 3635972319
n×2
40331970
n×3
60497955
n×4
80663940
n×5
100829925
n÷2
10082992.5
n÷3
6721995
n÷3
5041496.25
n÷5
4033197
n2
406666951020225
n3
8.2008396342696E+21
n4
1.6537800905209E+29
n5
3.3350104498742E+36
2 √n
4490.6552973926
3 √n
272.19061483797
4 √n
67.012351827052
5 √n
28.901733222639
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
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
md5
137cf379fdbbfa047f19b67eff72ad67
sha1
a6655cb4013c1a7b53a34f1016d5a774d1e47963
sha256
cb5d1121dbd0bb1084958e9337b1ea06d598e1d41e620333a5a6a23629794545
sha512
f841e5f0131485a2725bbb9f5b0de50474b931aacbe61c38063bd59e2acaad1978e8a4e6e322d2c8c6b2d9f369c12039d9cbab75fea11b1297c0c58112acfda9
ripemd-160
224a0abdadf225224c8afe680db871a15814173e
Diameter
40331970
Circumference
126706620.6568
Area
1.2775819057829E+15
Volume
3.4351596731052E+22
Surface area
5.1103276231316E+15
Circumference
126706620.6568
Perimeter
80663940
Area
406666951020225
Diagonal
28519009.485612
Surface area
2440001706121350
Volume
8.2008396342696E+21
Space diagonal
34928510.604672
Perimeter
60497955
Area
1.7609195523154E+14
Altitude
17464255.302336
Surface area
1.7609195523154E+14
Volume
9.6647821946924E+20
Height
9506336.4952041