20180445 is an odd 8-digits composite number following 20180444
and preceding 20180446 . In scientific notation, it is written as 2.0180445 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 10129664 positive integers (up to 20180445) that are relatively prime to 20180445.
20180445 has 16 divisors, whose sum is 34188480
The reverse of 20180445 is 54408102
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million one hundred eighty thousand four hundred forty-five
Scientific notation
2.0180445 × 10^7
Engineering notation
2.0180445 × 10^6
Prime Factorization
3 × 5 × 17 × 79139
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20180445
Product of the distinct prime numbers
The prime factorization of 20180445 is 3 × 5 × 17 × 79139.
Since it has a total of 4 prime factors.
4 , 2 , 84 , 23 , 364 , 506 , 2804 , 3509 , 32881 , 79943 , 137321 , 551394 , 3052676 , 9762724 , 40034590 , 43759039 , 267457511 , 807749871 , 1127852082 , 8754904258
n×2
40360890
n×3
60541335
n×4
80721780
n×5
100902225
n÷2
10090222.5
n÷3
6726815
n÷3
5045111.25
n÷5
4036089
n2
407250360398025
n3
8.2184934992425E+21
n4
1.6585285604432E+29
n5
3.3469844394953E+36
2 √n
4492.2650188964
3 √n
272.25565729976
4 √n
67.024361383727
5 √n
28.905876826302
1 , 3 , 5 , 15 , 17 , 51 , 85 , 255 , 79139 , 237417 , 395695 , 1187085 , 1345363 , 4036089 , 6726815 , 20180445
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20180444
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20180445 can be divided by 16 positive divisors.
The sum of these divisors (counting 20180445) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111110110111011101
3
Ternary
1101222021100220
4
Quaternary
1030332313131
5
Quinary
20131233240
6
Senary
2000311553
8
Octal
114766735
10
Decimal
20180445
12
Duodecimal
69125b9
16
Hexadecimal
133eddd
20
Vigesimal
662b25
36
Base36
c0jbx
md5
90e9a7191a359b5ff1cdb18662f6a219
sha1
4a68a0d3e435b9b1768cf40b97980e339812f8dd
sha256
9d58dc318d07931760f1f565d267d873bac341bde4b0984178afa1184c8a3128
sha512
0cd4144d626d6a61875f420bf0985a91077ae00a8db4face1c8b553bb971bf2f1a7f6ad2f07a771ed799b883c9ec1daa5b3965170cd1d5b95083bf0720dba5d6
ripemd-160
bdee2f399f96bf224449338699c8b849cf83bcd6
Diameter
40360890
Circumference
126797475.51635
Area
1.2794147403982E+15
Volume
3.4425545067728E+22
Surface area
5.1176589615929E+15
Circumference
126797475.51635
Perimeter
80721780
Area
407250360398025
Diagonal
28539459.013724
Surface area
2443502162388150
Volume
8.2184934992425E+21
Space diagonal
34953556.059349
Perimeter
60541335
Area
1.7634457890253E+14
Altitude
17476778.029675
Surface area
1.7634457890253E+14
Volume
9.6855874740866E+20
Height
9513153.0045748