661618488 is an even 9-digits composite number following 661618487
and preceding 661618489 . In scientific notation, it is written as 6.61618488 × 10^8.
The sum of its digits is 48. It has a total of 5 prime factors and 16 positive divisors.
There are 220539488 positive integers (up to 661618488) that are relatively prime to 661618488.
661618488 has 16 divisors, whose sum is 1654046280
The reverse of 661618488 is 884816166
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 48
Digital Root 3
Name
six hundred sixty-one million six hundred eighteen thousand four hundred eighty-eight
Scientific notation
6.61618488 × 10^8
Engineering notation
6.61618488 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 27567437
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
165404622
Product of the distinct prime numbers
The prime factorization of 661618488 is 2 × 2 × 2 × 3 × 27567437.
Since it has a total of 5 prime factors.
5 , 1 , 60 , 68 , 657 , 919 , 7231 , 9496 , 48808 , 80480 , 221905 , 431508 , 6663355 , 6211892 , 90270203 , 53992527 , 557275830 , 205076089 , 7801890333 , 1278698745
n×2
1323236976
n×3
1984855464
n×4
2646473952
n×5
3308092440
n÷2
330809244
n÷3
220539496
n÷3
165404622
n÷5
132323697.6
n2
437739023663406144
n3
2.8961623097478E+26
n4
1.9161545283779E+35
n5
1.2677632618398E+44
2 √n
25721.945649581
3 √n
871.36988046643
4 √n
160.3806274136
5 √n
58.092695271673
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 27567437 , 55134874 , 82702311 , 110269748 , 165404622 , 220539496 , 330809244 , 661618488
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-661618487
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 661618488 can be divided by 16 positive divisors.
The sum of these divisors (counting 661618488) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111011011110111111100111000
3
Ternary
1201002221200221110
4
Quaternary
213123313330320
5
Quinary
2323333242423
6
Senary
145352440320
8
Octal
4733677470
10
Decimal
661618488
12
Duodecimal
1656a90a0
16
Hexadecimal
276f7f38
20
Vigesimal
a6f2648
36
Base36
axws3c
md5
f38890b16f00efa33171588851c67197
sha1
c3a681b797491aae516ba058a6bf12ddc27955aa
sha256
bcbfcb965158bdd6ab406411fd3ad07dc48b8bb81e00eb1a389c715d3a6a6ccb
sha512
bd4d2322bf0519e6c15f23232994904b59e010dfc0dd7af8047ef50002ade58b8150f478a50db8428455af602149856f10d784f702f99d621e38e8a6eb6c4353
ripemd-160
ef60fef25a3bc67577d53ca644421bbd0cec5193
Diameter
1323236976
Circumference
4157071562.76
Area
1.3751977009305E+18
Volume
1.2131416314543E+27
Surface area
5.5007908037221E+18
Circumference
4157071562.76
Perimeter
2646473952
Area
437739023663406144
Diagonal
935669838.84638
Surface area
2626434141980436864
Volume
2.8961623097478E+26
Space diagonal
1145956836.4429
Perimeter
1984855464
Area
1.8954655736015E+17
Altitude
572978418.22145
Surface area
1.8954655736015E+17
Volume
3.4131600143993E+25
Height
311889946.28213