20181143 is an odd 8-digits composite number following 20181142
and preceding 20181144 . In scientific notation, it is written as 2.0181143 × 10^7.
The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors.
There are 18832000 positive integers (up to 20181143) that are relatively prime to 20181143.
20181143 has 8 divisors, whose sum is 21573216
The reverse of 20181143 is 34118102
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million one hundred eighty-one thousand one hundred forty-three
Scientific notation
2.0181143 × 10^7
Engineering notation
2.0181143 × 10^6
Prime Factorization
23 × 41 × 21401
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20181143
Product of the distinct prime numbers
The prime factorization of 20181143 is 23 × 41 × 21401.
Since it has a total of 3 prime factors.
6 , 8 , 69 , 5 , 969 , 44 , 1614 , 2985 , 69585 , 42868 , 682724 , 709631 , 1487779 , 1535959 , 7763029 , 49616971 , 80416203 , 70539345 , 1870713184 , 110928964
n×2
40362286
n×3
60543429
n×4
80724572
n×5
100905715
n÷2
10090571.5
n÷3
6727047.6666667
n÷3
5045285.75
n÷5
4036228.6
n2
407278532786449
n3
8.2193463109935E+21
n4
1.6587580326868E+29
n5
3.3475633060052E+36
2 √n
4492.3427073188
3 √n
272.25879618425
4 √n
67.02494093484
5 √n
28.906076782476
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
-20181142
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 20181143 can be divided by 8 positive divisors.
The sum of these divisors (counting 20181143) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100111111000010010111
3
Ternary
1101222022022202
4
Quaternary
1030333002113
5
Quinary
20131244033
6
Senary
2000315115
8
Octal
114770227
10
Decimal
20181143
12
Duodecimal
6912a9b
16
Hexadecimal
133f097
20
Vigesimal
662ch3
36
Base36
c0jvb
md5
835b9ab24f88ae18fb1eb1f5a514c6e6
sha1
f0a1b9f1458371a17447012098ef0da664307a34
sha256
b12830a835fcfdd68bca9b2f31d303c122d0c7c3d58dd64b0864ae97f4fc7175
sha512
c69dfb058a715db3b261ed6b39222d1eb0b729c5ee4acd17647aa0894f917f52451844875ff5b7ceaca5777f4c4fe90b2db38a052760ce258cbebddfe7c9871f
ripemd-160
233f0678cafd39c057a1e4e5a380b2bdafc995dd
Diameter
40362286
Circumference
126801861.17969
Area
1.2795032465667E+15
Volume
3.4429117317237E+22
Surface area
5.118012986267E+15
Circumference
126801861.17969
Perimeter
80724572
Area
407278532786449
Diagonal
28540446.134791
Surface area
2443671196718694
Volume
8.2193463109935E+21
Space diagonal
34954765.030813
Perimeter
60543429
Area
1.7635677790456E+14
Altitude
17477382.515406
Surface area
1.7635677790456E+14
Volume
9.6865925223736E+20
Height
9513482.0449303