20180840 is an even 8-digits composite number following 20180839
and preceding 20180841 . In scientific notation, it is written as 2.0180840 × 10^7.
The sum of its digits is 23. It has a total of 5 prime factors and 16 positive divisors.
There are 8072320 positive integers (up to 20180840) that are relatively prime to 20180840.
20180840 has 16 divisors, whose sum is 45406980
The reverse of 20180840 is 04808102
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million one hundred eighty thousand eight hundred forty
Scientific notation
2.0180840 × 10^7
Engineering notation
2.0180840 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 504521
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5045210
Product of the distinct prime numbers
The prime factorization of 20180840 is 2 × 2 × 2 × 5 × 504521.
Since it has a total of 5 prime factors.
6 , 10 , 46 , 6 , 186 , 560 , 1741 , 2606 , 73337 , 67725 , 396775 , 771014 , 9861499 , 4754898 , 29791427 , 29239813 , 728158589 , 210199379 , 409160645 , 9680805534
n×2
40361680
n×3
60542520
n×4
80723360
n×5
100904200
n÷2
10090420
n÷3
6726946.6666667
n÷3
5045210
n÷5
4036168
n2
407266303105600
n3
8.2189761003656E+21
n4
1.658658416453E+29
n5
3.3473120117092E+36
2 √n
4492.30898314
3 √n
272.25743361148
4 √n
67.024689355043
5 √n
28.905989982696
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 504521 , 1009042 , 2018084 , 2522605 , 4036168 , 5045210 , 10090420 , 20180840
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
-20180839
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 20180840 can be divided by 16 positive divisors.
The sum of these divisors (counting 20180840) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111110111101101000
3
Ternary
1101222021220112
4
Quaternary
1030332331220
5
Quinary
20131241330
6
Senary
2000313452
8
Octal
114767550
10
Decimal
20180840
12
Duodecimal
6912888
16
Hexadecimal
133ef68
20
Vigesimal
662c20
36
Base36
c0jmw
md5
9c6b78e4698ef5ef1f45d6363ea5dd5d
sha1
c91196a3b0fc13cf58c5e283a5f8e1b03345e42a
sha256
fc96b7c72f1ad9ffbdeee103d701be32ba454f66460251fcb7675a5094f4e128
sha512
ff4fa5e8230517df2a162506d0c225e9995c8617ff089e3d0af46f3e242044ffec8e8e34a77cd72cd1df2bdb1def534917e1b34f76b2db8826f78245b4741e13
ripemd-160
cf85a06a82d206d8dfcf7dcee028259310a13c12
Diameter
40361680
Circumference
126799957.37454
Area
1.2794648258912E+15
Volume
3.4427566582585E+22
Surface area
5.1178593035649E+15
Circumference
126799957.37454
Perimeter
80723360
Area
407266303105600
Diagonal
28540017.628081
Surface area
2443597818633600
Volume
8.2189761003656E+21
Space diagonal
34954240.219418
Perimeter
60542520
Area
1.7635148229741E+14
Altitude
17477120.109709
Surface area
1.7635148229741E+14
Volume
9.6861562249645E+20
Height
9513339.2093605