2018049981 is an odd 10-digits composite number following 2018049980
and preceding 2018049982 . In scientific notation, it is written as 2.018049981 × 10^9.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 1344504960 positive integers (up to 2018049981) that are relatively prime to 2018049981.
2018049981 has 8 divisors, whose sum is 2692456704
The reverse of 2018049981 is 1899408102
Previous prime number is 1567
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 42
Digital Root 6
Name
two billion eighteen million forty-nine thousand nine hundred eighty-one
Scientific notation
2.018049981 × 10^9
Engineering notation
2.018049981 × 10^9
Prime Factorization
3 × 1567 × 429281
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2018049981
Product of the distinct prime numbers
The prime factorization of 2018049981 is 3 × 1567 × 429281.
Since it has a total of 3 prime factors.
8 , 8 , 39 , 12 , 629 , 34 , 4323 , 6598 , 36817 , 60821 , 443693 , 684223 , 5391860 , 8649053 , 26433455 , 66220099 , 559950763 , 342115795 , 4184669881 , 9806719095
n×2
4036099962
n×3
6054149943
n×4
8072199924
n×5
10090249905
n÷2
1009024990.5
n÷3
672683327
n÷3
504512495.25
n÷5
403609996.2
n2
4072525725814100361
n3
8.2185604636012E+27
n4
1.6585465787418E+37
n5
3.3470298917174E+46
2 √n
44922.711193783
3 √n
1263.6999628762
4 √n
211.94978460424
5 √n
72.608319231585
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
-2018049980
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 2018049981 can be divided by 8 positive divisors.
The sum of these divisors (counting 2018049981) is 1, the average is 0.125.
Base
System
Value
2
Binary
1111000010010001111111110111101
3
Ternary
12012122022120010220
4
Quaternary
1320102033332331
5
Quinary
13113110044411
6
Senary
532125451553
8
Octal
17022177675
10
Decimal
2018049981
12
Duodecimal
483a10bb9
16
Hexadecimal
7848ffbd
20
Vigesimal
1bacg4j1
36
Base36
xdhtbx
md5
a56728a4abece76b91d067760efaeb72
sha1
96906205643e2dff97724fd1d3e14d5c0940380e
sha256
8c6a539abf7b8bde06f4d0b6a418b5ba91982c897a33d2865ae7f25d49a57d23
sha512
5fe6c5f0743ba466e55f8f8271b5eacb2d8dd9c25b2bfa3d6f78894e7b5582862da75a625e0b3f63fdc15cf7ed2374da7d6aafff2064cf73bde91740c90af4ff
ripemd-160
bc2485f430fae75627136a27e8c1b17941d359cf
Diameter
4036099962
Circumference
12679781989.773
Area
1.2794216901773E+19
Volume
3.4425825567377E+28
Surface area
5.1176867607092E+19
Circumference
12679781989.773
Perimeter
8072199924
Area
4072525725814100361
Diagonal
2853953652.677
Surface area
2.4435154354885E+19
Volume
8.2185604636012E+27
Space diagonal
3495365099.3054
Perimeter
6054149943
Area
1.7634553680603E+18
Altitude
1747682549.6527
Surface area
1.7634553680603E+18
Volume
9.6856663923401E+26
Height
951317884.22566