2018281421 is an odd 10-digits composite number following 2018281420
and preceding 2018281422 . In scientific notation, it is written as 2.018281421 × 10^9.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 1862386992 positive integers (up to 2018281421) that are relatively prime to 2018281421.
2018281421 has 8 divisors, whose sum is 2174282880
The reverse of 2018281421 is 1241828102
Previous prime number is 3079
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 29
Digital Root 2
Name
two billion eighteen million two hundred eighty-one thousand four hundred twenty-one
Scientific notation
2.018281421 × 10^9
Engineering notation
2.018281421 × 10^9
Prime Factorization
13 × 3079 × 50423
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2018281421
Product of the distinct prime numbers
The prime factorization of 2018281421 is 13 × 3079 × 50423.
Since it has a total of 3 prime factors.
9 , 4 , 8 , 72 , 516 , 306 , 3664 , 178 , 45004 , 62425 , 482008 , 127811 , 6681751 , 2464850 , 64453846 , 55068126 , 115391038 , 702058591 , 8513470501 , 9334230193
n×2
4036562842
n×3
6054844263
n×4
8073125684
n×5
10091407105
n÷2
1009140710.5
n÷3
672760473.66667
n÷3
504570355.25
n÷5
403656284.2
n2
4073459894353779241
n3
8.2213884239629E+27
n4
1.6593075510909E+37
n5
3.3489496020917E+46
2 √n
44925.287099806
3 √n
1263.74827016
4 √n
211.95586120654
5 √n
72.609984571763
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
-2018281420
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 2018281421 can be divided by 8 positive divisors.
The sum of these divisors (counting 2018281421) is 1, the average is 0.125.
Base
System
Value
2
Binary
1111000010011001000011111001101
3
Ternary
12012122202022121202
4
Quaternary
1320103020133031
5
Quinary
13113140001141
6
Senary
532134435245
8
Octal
17023103715
10
Decimal
2018281421
12
Duodecimal
483b02b25
16
Hexadecimal
784c87cd
20
Vigesimal
1bae53b1
36
Base36
xdmrwt
md5
769fd12b1ea6fa9bc7535ebec0fff522
sha1
fbd64e133f09a4245369d9270e75dc85345b67ce
sha256
f9e012cd5aff833e9b67b6a7a51e4d9783ee0f575f06eaf55b410f4b82e34cc6
sha512
96a35a3b3792d9296bb403cd0390ab09b3060c22cb85a113c2ec5e41f25bec999679ec753d01741feb258cebbf042db3ae9594efe4a8af9515057e37fbfa2929
ripemd-160
0a6292e5e175891c48011b19e676a5ccc0a7e717
Diameter
4036562842
Circumference
12681236170.181
Area
1.2797151678794E+19
Volume
3.443767130004E+28
Surface area
5.1188606715178E+19
Circumference
12681236170.181
Perimeter
8073125684
Area
4073459894353779241
Diagonal
2854280958.2638
Surface area
2.4440759366123E+19
Volume
8.2213884239629E+27
Space diagonal
3495765965.1443
Perimeter
6054844263
Area
1.7638598749037E+18
Altitude
1747882982.5722
Surface area
1.7638598749037E+18
Volume
9.6889991755879E+26
Height
951426986.08795