20180394 is an even 8-digits composite number following 20180393
and preceding 20180395 . In scientific notation, it is written as 2.0180394 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors.
There are 5474304 positive integers (up to 20180394) that are relatively prime to 20180394.
20180394 has 32 divisors, whose sum is 42984000
The reverse of 20180394 is 49308102
Previous prime number is 1989
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred eighty thousand three hundred ninety-four
Scientific notation
2.0180394 × 10^7
Engineering notation
2.0180394 × 10^6
Prime Factorization
2 × 19 × 3 × 1989 × 89
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20180394
Product of the distinct prime numbers
The prime factorization of 20180394 is 2 × 19 × 3 × 1989 × 89.
Since it has a total of 5 prime factors.
4 , 4 , 35 , 49 , 950 , 160 , 8313 , 3336 , 84658 , 33166 , 401628 , 603202 , 9307952 , 2680474 , 39558117 , 83488218 , 862530165 , 581899486 , 8790351124 , 5920143446
n×2
40360788
n×3
60541182
n×4
80721576
n×5
100901970
n÷2
10090197
n÷3
6726798
n÷3
5045098.5
n÷5
4036078.8
n2
407248301995236
n3
8.2184311900948E+21
n4
1.65851179478E+29
n5
3.3469421472308E+36
2 √n
4492.259342469
3 √n
272.25542795149
4 √n
67.024319037712
5 √n
28.905862216106
1 , 2 , 3 , 6 , 19 , 38 , 57 , 89 , 114 , 178 , 267 , 534 , 1691 , 1989 , 3382 , 3978 , 5073 , 5967 , 10146 , 11934 , 37791 , 75582 , 113373 , 177021 , 226746 , 354042 , 531063 , 1062126 , 3363399 , 6726798 , 10090197 , 20180394
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20180393
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20180394 can be divided by 32 positive divisors.
The sum of these divisors (counting 20180394) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100111110110110101010
3
Ternary
1101222021022000
4
Quaternary
1030332312222
5
Quinary
20131233034
6
Senary
2000311430
8
Octal
114766652
10
Decimal
20180394
12
Duodecimal
6912576
16
Hexadecimal
133edaa
20
Vigesimal
662aje
36
Base36
c0jai
md5
b91ac0e8c2e6c329b0f3185ce5f3dfad
sha1
2ed50458f7f8a752af3e85e5f922481a7f212f8c
sha256
68cd4610b3f4c7afc56c7e25908314a700b96db942285252d70d74af20199b9d
sha512
921f30580d9d84fbba2f6c51cc2765cfbe98d4f81c11fc660673b72e61348a8f5aaac05e1c6de6fdc407cc4049e88c21e2132913160256aa2cb4590604000f2a
ripemd-160
e2c0e9e073c6202f8bc2352d352e6768eeb6242b
Diameter
40360788
Circumference
126797155.0739
Area
1.2794082737352E+15
Volume
3.442528406778E+22
Surface area
5.1176330949406E+15
Circumference
126797155.0739
Perimeter
80721576
Area
407248301995236
Diagonal
28539386.888833
Surface area
2443489811971416
Volume
8.2184311900948E+21
Space diagonal
34953467.724758
Perimeter
60541182
Area
1.7634368758798E+14
Altitude
17476733.862379
Surface area
1.7634368758798E+14
Volume
9.6855140420518E+20
Height
9513128.9629442