2018641388 is an even 10-digits composite number following 2018641387
and preceding 2018641389 . In scientific notation, it is written as 2.018641388 × 10^9.
The sum of its digits is 41. It has a total of 4 prime factors and 12 positive divisors.
There are 1009174080 positive integers (up to 2018641388) that are relatively prime to 2018641388.
2018641388 has 12 divisors, whose sum is 3533135592
The reverse of 2018641388 is 8831468102
Previous prime number is 7691
Is Prime? no
Number parity even
Number length 10
Sum of Digits 41
Digital Root 5
Name
two billion eighteen million six hundred forty-one thousand three hundred eighty-eight
Scientific notation
2.018641388 × 10^9
Engineering notation
2.018641388 × 10^9
Prime Factorization
2 × 2 × 7691 × 65617
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1009320694
Product of the distinct prime numbers
The prime factorization of 2018641388 is 2 × 2 × 7691 × 65617.
Since it has a total of 4 prime factors.
5 , 3 , 43 , 25 , 588 , 160 , 5241 , 8743 , 57805 , 85793 , 669173 , 224931 , 5897359 , 5122725 , 98352853 , 92777003 , 620157397 , 660165354 , 9626477223 , 6305169342
n×2
4037282776
n×3
6055924164
n×4
8074565552
n×5
10093206940
n÷2
1009320694
n÷3
672880462.66667
n÷3
504660347
n÷5
403728277.6
n2
4074913053346566544
n3
8.2257881419868E+27
n4
1.6604916392334E+37
n5
3.3519371473846E+46
2 √n
44929.293206103
3 √n
1263.823396887
4 √n
211.96531132736
5 √n
72.612574431986
1 , 2 , 4 , 7691 , 15382 , 30764 , 65617 , 131234 , 262468 , 504660347 , 1009320694 , 2018641388
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2018641387
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2018641388 can be divided by 12 positive divisors.
The sum of these divisors (counting 2018641388) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1111000010100100000010111101100
3
Ternary
12012200102121101212
4
Quaternary
1320110200113230
5
Quinary
13113233011023
6
Senary
532150253552
8
Octal
17024402754
10
Decimal
2018641388
12
Duodecimal
4840572b8
16
Hexadecimal
785205ec
20
Vigesimal
1baga398
36
Base36
xduhnw
md5
cd1757c4e844c584173b5d19ae3ef4b4
sha1
4b21f7c18b36d88a85cb51af4afb1bdd952e5b03
sha256
d96f001a088fa2020996ecf1bd3c6d6e15df3d8c964e9b8ad5353e4178fe9d9d
sha512
18beb40e8b18648c452ca492d77810b6a9e0f67716c9b75317874147e9c492694569318375e1d92ae3f76026e05ee8de3fff1ea2360a6ef3ad68d26da15b12bc
ripemd-160
db0d7f51ef6bfe5fcdeb6f847802c3ff93e6382e
Diameter
4037282776
Circumference
12683497909.546
Area
1.2801716912411E+19
Volume
3.4456100795802E+28
Surface area
5.1206867649643E+19
Circumference
12683497909.546
Perimeter
8074565552
Area
4074913053346566544
Diagonal
2854790028.4772
Surface area
2.4449478320079E+19
Volume
8.2257881419868E+27
Space diagonal
3496389446.2774
Perimeter
6055924164
Area
1.7644891112055E+18
Altitude
1748194723.1387
Surface area
1.7644891112055E+18
Volume
9.6941842930046E+26
Height
951596676.15908