20180901 is an odd 8-digits composite number following 20180900
and preceding 20180902 . In scientific notation, it is written as 2.0180901 × 10^7.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 12418992 positive integers (up to 20180901) that are relatively prime to 20180901.
20180901 has 8 divisors, whose sum is 28977760
The reverse of 20180901 is 10908102
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million one hundred eighty thousand nine hundred one
Scientific notation
2.0180901 × 10^7
Engineering notation
2.0180901 × 10^6
Prime Factorization
3 × 13 × 517459
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20180901
Product of the distinct prime numbers
The prime factorization of 20180901 is 3 × 13 × 517459.
Since it has a total of 3 prime factors.
9 , 2 , 46 , 61 , 603 , 812 , 9513 , 616 , 99936 , 7796 , 371340 , 140367 , 6479934 , 4769879 , 48122965 , 72629069 , 500871037 , 684517262 , 4966321724 , 9085254689
n×2
40361802
n×3
60542703
n×4
80723604
n×5
100904505
n÷2
10090450.5
n÷3
6726967
n÷3
5045225.25
n÷5
4036180.2
n2
407268765171801
n3
8.2190506303244E+21
n4
1.6586784708456E+29
n5
3.3473626010967E+36
2 √n
4492.3157725164
3 √n
272.25770792591
4 √n
67.024740003348
5 √n
28.906007457323
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
-20180900
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 20180901 can be divided by 8 positive divisors.
The sum of these divisors (counting 20180901) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100111110111110100101
3
Ternary
1101222021222210
4
Quaternary
1030332332211
5
Quinary
20131242101
6
Senary
2000314033
8
Octal
114767645
10
Decimal
20180901
12
Duodecimal
6912919
16
Hexadecimal
133efa5
20
Vigesimal
662c51
36
Base36
c0jol
md5
5d36f174ae584ae3f03694ec7f080005
sha1
c4cd5bb0612f94fe86ba6d2d7bc708fa62d3fa99
sha256
bab641fad401e433866a1f2afbc0e48c07c30678188316ca14456d08c7b95725
sha512
74afb8bb37e42146b3527f4242380f2a618436d0d359f2e8b01ab53df976dd40a1c347885793d4ad5bbd795e6384d743de4ccef5d102cf436d03e0e151547865
ripemd-160
d784147d3b6285f231bac020d6c8b74dafe7a4f1
Diameter
40361802
Circumference
126800340.64885
Area
1.2794725607003E+15
Volume
3.4427878772946E+22
Surface area
5.1178902428013E+15
Circumference
126800340.64885
Perimeter
80723604
Area
407268765171801
Diagonal
28540103.895109
Surface area
2443612591030806
Volume
8.2190506303244E+21
Space diagonal
34954345.874518
Perimeter
60542703
Area
1.7635254840335E+14
Altitude
17477172.937259
Surface area
1.7635254840335E+14
Volume
9.6862440593632E+20
Height
9513367.9650363