2018993978 is an even 10-digits composite number following 2018993977
and preceding 2018993979 . In scientific notation, it is written as 2.018993978 × 10^9.
The sum of its digits is 56. It has a total of 4 prime factors and 16 positive divisors.
There are 925404480 positive integers (up to 2018993978) that are relatively prime to 2018993978.
2018993978 has 16 divisors, whose sum is 3089210400
The reverse of 2018993978 is 8793998102
Previous prime number is 53
Is Prime? no
Number parity even
Number length 10
Sum of Digits 56
Digital Root 2
Name
two billion eighteen million nine hundred ninety-three thousand nine hundred seventy-eight
Scientific notation
2.018993978 × 10^9
Engineering notation
2.018993978 × 10^9
Prime Factorization
2 × 899 × 53 × 21187
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2018993978
Product of the distinct prime numbers
The prime factorization of 2018993978 is 2 × 899 × 53 × 21187.
Since it has a total of 4 prime factors.
4 , 6 , 71 , 6 , 813 , 955 , 1223 , 2583 , 69563 , 43916 , 252909 , 418785 , 3597222 , 4011031 , 53413480 , 26234757 , 442911604 , 66358307 , 988499750 , 7965025737
n×2
4037987956
n×3
6056981934
n×4
8075975912
n×5
10094969890
n÷2
1009496989
n÷3
672997992.66667
n÷3
504748494.5
n÷5
403798795.6
n2
4076336683200264484
n3
8.2300992156818E+27
n4
1.6616520754804E+37
n5
3.3548655339262E+46
2 √n
44933.216866812
3 √n
1263.8969753429
4 √n
211.97456655649
5 √n
72.615110858633
1 , 2 , 53 , 106 , 899 , 1798 , 21187 , 42374 , 47647 , 95294 , 1122911 , 2245822 , 19047113 , 38094226 , 1009496989 , 2018993978
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
-2018993977
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 2018993978 can be divided by 16 positive divisors.
The sum of these divisors (counting 2018993978) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1111000010101110110011100111010
3
Ternary
12012201002112001202
4
Quaternary
1320111312130322
5
Quinary
13113330301403
6
Senary
532202014202
8
Octal
17025663472
10
Decimal
2018993978
12
Duodecimal
4841a7362
16
Hexadecimal
7857673a
20
Vigesimal
1baie4ii
36
Base36
xe21q2
md5
8b7be95981e7515bb8f0e587825057e5
sha1
7af0287c12f4c657737a068b77044eeddafce87c
sha256
99565f6891d3155fe43330c0c6792f5aa66e9063c7e859e2adc476302f82f9b2
sha512
4f66157d5135cb5534af4c11efae92438bf322d0419abc36e9de8da89fb1e229daca5dbe818b49a3ffbe7076fbe0fb99e4e1ea2ece0e42fab91460ac200d8bab
ripemd-160
8d47fb57a2bb38f835c49b1d93df442d36ce411a
Diameter
4037987956
Circumference
12685713297.854
Area
1.2806189377501E+19
Volume
3.4474158979068E+28
Surface area
5.1224757510002E+19
Circumference
12685713297.854
Perimeter
8075975912
Area
4076336683200264484
Diagonal
2855288666.0372
Surface area
2.4458020099202E+19
Volume
8.2300992156818E+27
Space diagonal
3497000150.0716
Perimeter
6056981934
Area
1.7651055610149E+18
Altitude
1748500075.0358
Surface area
1.7651055610149E+18
Volume
9.6992649420778E+26
Height
951762888.67907