648216561 is an odd 9-digits composite number following 648216560
and preceding 648216562 . In scientific notation, it is written as 6.48216561 × 10^8.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 425059920 positive integers (up to 648216561) that are relatively prime to 648216561.
648216561 has 8 divisors, whose sum is 878457664
The reverse of 648216561 is 165612846
Previous prime number is 61
Is Prime? no Number parity odd Number length 9 Sum of Digits 39 Digital Root 3
Name
six hundred forty-eight million two hundred sixteen thousand five hundred sixty-one
Scientific notation
6.48216561 × 10^8
Engineering notation
6.48216561 × 10^6
Prime Factorization
3 × 61 × 3542167
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
648216561 Product of the distinct prime numbers
The prime factorization of 648216561 is 3 × 61 × 3542167.
Since it has a total of 3 prime factors.
1 , 7 , 81 , 29 , 424 , 473 , 4634 , 9145 , 79464 , 39017 , 40979 , 372949 , 9029831 , 7247882 , 21029906 , 66741908 , 639796599 , 184562965 , 5129170400 , 4047684632
n×2
1296433122
n×3
1944649683
n×4
2592866244
n×5
3241082805
n÷2
324108280.5
n÷3
216072187
n÷3
162054140.25
n÷5
129643312.2
n2
420184709954666721
n3
2.723706876716E+26
n4
1.7655519047969E+35
n5
1.1444599839944E+44
2 √n25460.097427151
3 √n865.44613114174
4 √n159.5622055098
5 √n57.855416510255
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
-648216560 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 648216561 can be divided by 8 positive divisors.
The sum of these divisors (counting 648216561) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110101000101111111111110001
3
Ternary
1200011201210221210
4
Quaternary
212220233333301
5
Quinary
2311420412221
6
Senary
144153310333
8
Octal
4650577761
10
Decimal
648216561
12
Duodecimal
1611053a9
16
Hexadecimal
26a2fff1
20
Vigesimal
a2b7181
36
Base36
apxj3l
md5
e38f540a4524264094bf045fe8882d1a
sha1
7d39ef18a671014ce1b7d1b7d52ee41427191932
sha256
500abb7cf7b17f18aebfa059219a189639034d4b8cc0b62aae8298595ee1f37b
sha512
946c884dd3525ab0902d9a23033a17440a7906480a48a5b2e26fd985212cb6db15a909bad01001b681e2200fa80892265aee844d52711390c58bfff3d20ad094
ripemd-160
e728a5c15722b38b1f7370f3f83f6188f0532687
Diameter
1296433122
Circumference
4072864771.9457
Area
1.3200491979443E+18
Volume
1.1409036685897E+27
Surface area
5.2801967917774E+18
Circumference
4072864771.9457
Perimeter
2592866244
Area
420184709954666721
Diagonal
916716651.92105
Surface area
2521108259728000326
Volume
2.723706876716E+26
Space diagonal
1122744017.9596
Perimeter
1944649683
Area
1.8194531655127E+17
Altitude
561372008.97979
Surface area
1.8194531655127E+17
Volume
3.2099193374838E+25
Height
305572217.30702