6640393988 is an even 10-digits composite number following 6640393987
and preceding 6640393989 . In scientific notation, it is written as 6.640393988 × 10^9.
The sum of its digits is 56. It has a total of 3 prime factors and 6 positive divisors.
There are 3320196992 positive integers (up to 6640393988) that are relatively prime to 6640393988.
6640393988 has 6 divisors, whose sum is 11620689486
The reverse of 6640393988 is 8893930466
Previous prime number is 2
Is Prime? no Number parity even Number length 10 Sum of Digits 56 Digital Root 2
Name
six billion six hundred forty million three hundred ninety-three thousand nine hundred eighty-eight
Scientific notation
6.640393988 × 10^9
Engineering notation
6.640393988 × 10^9
Prime Factorization
2 × 2 × 1660098497
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
3320196994 Product of the distinct prime numbers
The prime factorization of 6640393988 is 2 × 2 × 1660098497.
Since it has a total of 3 prime factors.
3 , 7 , 21 , 7 , 813 , 907 , 2002 , 426 , 31954 , 81456 , 234810 , 426932 , 2043728 , 671938 , 59688221 , 32707194 , 434290337 , 284552842 , 2594051210 , 2109737261
n×2
13280787976
n×3
19921181964
n×4
26561575952
n×5
33201969940
n÷2
3320196994
n÷3
2213464662.6667
n÷3
1660098497
n÷5
1328078797.6
n2
4.4094832315867E+19
n3
2.9280705941215E+29
n4
1.9443542369644E+39
n5
1.2911278185681E+49
2 √n81488.612627778
3 √n1879.5964491449
4 √n285.46210366313
5 √n92.137997574057
6 divisors
τ Total Divisors
6 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-6640393987 Sum of the proper positive divisors of n
A Arithmetic Mean
0.16666666666667 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
6 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 6640393988 can be divided by 6 positive divisors.
The sum of these divisors (counting 6640393988) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
110001011110011000101111100000100
3
Ternary
122010210001222002002
4
Quaternary
12023303011330010
5
Quinary
102044420101423
6
Senary
3014530404432
8
Octal
61363057404
10
Decimal
6640393988
12
Duodecimal
1353a30718
16
Hexadecimal
18bcc5f04
20
Vigesimal
53f294j8
36
Base36
31tiosk
md5
7c958e68dccb8eaef2eb9c6aa5646b74
sha1
063b592d8c9d7450f19951c1bf60f6f6f138f3fa
sha256
2389fc50c914332506b7ebcfa170bb2a63cd139c4fd019d26b4bd54832c2f66b
sha512
d5aa11fa14be8328566dc3f43486f822878a74ad0bb895440a8481124c7873e6b1ad48a21c53430974c234ecc5a5a3fa134be2439580f8c734b3a1b427e1bfc6
ripemd-160
5a953816a79635549da21ee828cdabb321c268e7
Diameter
13280787976
Circumference
41722825939.285
Area
1.385280012648E+20
Volume
1.2265073423579E+30
Surface area
5.541120050592E+20
Circumference
41722825939.285
Perimeter
26561575952
Area
4.4094832315867E+19
Diagonal
9390935237.3304
Surface area
2.645689938952E+20
Volume
2.9280705941215E+29
Space diagonal
11501499769.491
Perimeter
19921181964
Area
1.9093622480578E+19
Altitude
5750749884.7455
Surface area
1.9093622480578E+19
Volume
3.4507642881604E+28
Height
3130311745.7768