2018742891 is an odd 10-digits composite number following 2018742890
and preceding 2018742892 . In scientific notation, it is written as 2.018742891 × 10^9.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 1223480520 positive integers (up to 2018742891) that are relatively prime to 2018742891.
2018742891 has 8 divisors, whose sum is 2936353344
The reverse of 2018742891 is 1982478102
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 42
Digital Root 6
Name
two billion eighteen million seven hundred forty-two thousand eight hundred ninety-one
Scientific notation
2.018742891 × 10^9
Engineering notation
2.018742891 × 10^9
Prime Factorization
3 × 11 × 61174027
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2018742891
Product of the distinct prime numbers
The prime factorization of 2018742891 is 3 × 11 × 61174027.
Since it has a total of 3 prime factors.
4 , 4 , 19 , 41 , 87 , 87 , 8783 , 4331 , 98457 , 76118 , 409548 , 217961 , 2660197 , 1600860 , 10394979 , 44539733 , 344813391 , 308156023 , 2479539159 , 2349168577
n×2
4037485782
n×3
6056228673
n×4
8074971564
n×5
10093714455
n÷2
1009371445.5
n÷3
672914297
n÷3
504685722.75
n÷5
403748578.2
n2
4075322859963037881
n3
8.2270290520802E+27
n4
1.6608256412937E+37
n5
3.3527799565522E+46
2 √n
44930.422777891
3 √n
1263.8445794039
4 √n
211.967975831
5 √n
72.613304650433
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
-2018742890
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 2018742891 can be divided by 8 positive divisors.
The sum of these divisors (counting 2018742891) is 1, the average is 0.125.
Base
System
Value
2
Binary
1111000010100111001001001101011
3
Ternary
12012200121202122020
4
Quaternary
1320110321021223
5
Quinary
13113244233031
6
Senary
532152355523
8
Octal
17024711153
10
Decimal
2018742891
12
Duodecimal
4840a5ba3
16
Hexadecimal
7853926b
20
Vigesimal
1bah2h4b
36
Base36
xdwnzf
md5
ea9a3d4d0651d929b1dc341068f3bf54
sha1
91db0fd5f61b3713b624252ae055c5064325ef00
sha256
8dddfdab4f5f63c5c8f5abc33a5f7090a19af2789977da548a39f018b83289c4
sha512
586de87693cfbff22a976f61a59c3471366db591626101a583ce7a68648db812714d6fa2e548918a7be035903f70afa8fc2da23fd9155b61731d8243deb58bf4
ripemd-160
c5ee886e83579f3c2c1440957b8f5f60bdf23583
Diameter
4037485782
Circumference
12684135671.704
Area
1.2803004357866E+19
Volume
3.4461298707846E+28
Surface area
5.1212017431466E+19
Circumference
12684135671.704
Perimeter
8074971564
Area
4075322859963037881
Diagonal
2854933575.3965
Surface area
2.4451937159778E+19
Volume
8.2270290520802E+27
Space diagonal
3496565254.6305
Perimeter
6056228673
Area
1.7646665626757E+18
Altitude
1748282627.3152
Surface area
1.7646665626757E+18
Volume
9.6956467195744E+26
Height
951644525.13216