2018319981 is an odd 10-digits composite number following 2018319980
and preceding 2018319982 . In scientific notation, it is written as 2.018319981 × 10^9.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 1343189040 positive integers (up to 2018319981) that are relatively prime to 2018319981.
2018319981 has 8 divisors, whose sum is 2695808544
The reverse of 2018319981 is 1899138102
Previous prime number is 571
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 42
Digital Root 6
Name
two billion eighteen million three hundred nineteen thousand nine hundred eighty-one
Scientific notation
2.018319981 × 10^9
Engineering notation
2.018319981 × 10^9
Prime Factorization
3 × 571 × 1178237
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2018319981
Product of the distinct prime numbers
The prime factorization of 2018319981 is 3 × 571 × 1178237.
Since it has a total of 3 prime factors.
7 , 5 , 85 , 99 , 768 , 501 , 6624 , 1937 , 81934 , 82359 , 830167 , 532083 , 8105461 , 218049 , 51388731 , 4163414 , 68010689 , 588802795 , 2939611127 , 6360325293
n×2
4036639962
n×3
6054959943
n×4
8073279924
n×5
10091599905
n÷2
1009159990.5
n÷3
672773327
n÷3
504579995.25
n÷5
403663996.2
n2
4073615545703840361
n3
8.2218596508063E+27
n4
1.65943436142E+37
n5
3.349269528812E+46
2 √n
44925.716254724
3 √n
1263.7563182321
4 √n
211.95687357273
5 √n
72.610262017671
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
-2018319980
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 2018319981 can be divided by 8 positive divisors.
The sum of these divisors (counting 2018319981) is 1, the average is 0.125.
Base
System
Value
2
Binary
1111000010011010001111001101101
3
Ternary
12012122211021111220
4
Quaternary
1320103101321231
5
Quinary
13113142214411
6
Senary
532135333553
8
Octal
17023217155
10
Decimal
2018319981
12
Duodecimal
483b212b9
16
Hexadecimal
784d1e6d
20
Vigesimal
1bae9jj1
36
Base36
xdnlnx
md5
41527c59e597b79a753c0920e08b0e70
sha1
4350ea14fe650be6ac131cb2051053b0bbfa6464
sha256
36f07e9a4533706ec6cb38bfaf8e9a7f6b6272e41b066445ac2e285e27f434cf
sha512
f004a2a8b7a9d8685fabf97cdd5ae9fa5c90404470792dfa85a61380e8957caf3508b0dbd8eeb878df1e50114367e8ce6695d195bb093a0703da5bb54de07b0a
ripemd-160
8e73f526e54fb8d18278fdee60b05519f5ed5f9d
Diameter
4036639962
Circumference
12681478449.806
Area
1.2797640671932E+19
Volume
3.4439645170426E+28
Surface area
5.1190562687729E+19
Circumference
12681478449.806
Perimeter
8073279924
Area
4073615545703840361
Diagonal
2854335490.3388
Surface area
2.4441693274223E+19
Volume
8.2218596508063E+27
Space diagonal
3495832753.0235
Perimeter
6054959943
Area
1.7639272739154E+18
Altitude
1747916376.5117
Surface area
1.7639272739154E+18
Volume
9.6895545217486E+26
Height
951445163.44627