2018948891 is an odd 10-digits composite number following 2018948890
and preceding 2018948892 . In scientific notation, it is written as 2.018948891 × 10^9.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 1995357760 positive integers (up to 2018948891) that are relatively prime to 2018948891.
2018948891 has 8 divisors, whose sum is 2042560800
The reverse of 2018948891 is 1988498102
Previous prime number is 3191
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 50
Digital Root 5
Name
two billion eighteen million nine hundred forty-eight thousand eight hundred ninety-one
Scientific notation
2.018948891 × 10^9
Engineering notation
2.018948891 × 10^9
Prime Factorization
89 × 3191 × 7109
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2018948891
Product of the distinct prime numbers
The prime factorization of 2018948891 is 89 × 3191 × 7109.
Since it has a total of 3 prime factors.
10 , 5 , 90 , 96 , 908 , 492 , 8080 , 4304 , 37004 , 45978 , 583001 , 554388 , 8173602 , 6896714 , 37984689 , 36701715 , 136645035 , 45764835 , 5580637677 , 7465735077
n×2
4037897782
n×3
6056846673
n×4
8075795564
n×5
10094744455
n÷2
1009474445.5
n÷3
672982963.66667
n÷3
504737222.75
n÷5
403789778.2
n2
4076154624470129881
n3
8.2295478586185E+27
n4
1.6615036522589E+37
n5
3.3544909561206E+46
2 √n
44932.71515277
3 √n
1263.8875670687
4 √n
211.97338312338
5 √n
72.614786536046
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
-2018948890
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 2018948891 can be divided by 8 positive divisors.
The sum of these divisors (counting 2018948891) is 1, the average is 0.125.
Base
System
Value
2
Binary
1111000010101101011011100011011
3
Ternary
12012201000020012212
4
Quaternary
1320111223130123
5
Quinary
13113322331031
6
Senary
532201025335
8
Octal
17025533433
10
Decimal
2018948891
12
Duodecimal
48418524b
16
Hexadecimal
7856b71b
20
Vigesimal
1bai8c4b
36
Base36
xe12xn
md5
2860bcc6be2c775b7c41f3ecb6310c9f
sha1
338506292ebe0609076ff39f8f909c53f267a99f
sha256
a2842f5f71916088ba9179557767d35a83ad64804c6fc3ff85fd5654a2574f64
sha512
403c4e31677ed66b43e9977649df7af77b02fd1eee6e5bae0911e52b148265d445406042ef0fd5d71abcec0c0793d5012144508abaedc5fe3f1befaf68d969a2
ripemd-160
624c755a760ed062126d7345f8c0924e17d8cd25
Diameter
4037897782
Circumference
12685430007.878
Area
1.2805617423131E+19
Volume
3.4471849460002E+28
Surface area
5.1222469692526E+19
Circumference
12685430007.878
Perimeter
8075795564
Area
4076154624470129881
Diagonal
2855224903.3903
Surface area
2.4456927746821E+19
Volume
8.2295478586185E+27
Space diagonal
3496922057.0968
Perimeter
6056846673
Area
1.7650267272723E+18
Altitude
1748461028.5484
Surface area
1.7650267272723E+18
Volume
9.6986151615473E+26
Height
951741634.46344