661845425 is an odd 9-digits composite number following 661845424
and preceding 661845426 . In scientific notation, it is written as 6.61845425 × 10^8.
The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors.
There are 515520000 positive integers (up to 661845425) that are relatively prime to 661845425.
661845425 has 16 divisors, whose sum is 706694352
The reverse of 661845425 is 524548166
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 41
Digital Root 5
Name
six hundred sixty-one million eight hundred forty-five thousand four hundred twenty-five
Scientific notation
6.61845425 × 10^8
Engineering notation
6.61845425 × 10^6
Prime Factorization
25 × 61 × 101 × 4297
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
661845425
Product of the distinct prime numbers
The prime factorization of 661845425 is 25 × 61 × 101 × 4297.
Since it has a total of 4 prime factors.
7 , 10 , 95 , 79 , 91 , 629 , 7315 , 8841 , 32981 , 63205 , 156134 , 238188 , 3660465 , 7688709 , 22685199 , 72645720 , 187680260 , 357506429 , 3858112835 , 7728122184
n×2
1323690850
n×3
1985536275
n×4
2647381700
n×5
3309227125
n÷2
330922712.5
n÷3
220615141.66667
n÷3
165461356.25
n÷5
132369085
n2
438039366593430625
n3
2.8991435074976E+26
n4
1.9187848668557E+35
n5
1.2699389856877E+44
2 √n
25726.356621177
3 √n
871.46949651672
4 √n
160.39437839643
5 √n
58.096679916547
1 , 25 , 61 , 101 , 1525 , 2525 , 4297 , 6161 , 107425 , 154025 , 262117 , 433997 , 6552925 , 10849925 , 26473817 , 661845425
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
-661845424
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 661845425 can be divided by 16 positive divisors.
The sum of these divisors (counting 661845425) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111011100101111010110110001
3
Ternary
1201010101020020112
4
Quaternary
213130233112301
5
Quinary
2323413023200
6
Senary
145401351105
8
Octal
4734572661
10
Decimal
661845425
12
Duodecimal
165798495
16
Hexadecimal
2772f5b1
20
Vigesimal
a6gadb5
36
Base36
ay1n75
md5
0de1ff3b4b4d135f2d72aab09e446949
sha1
1855edb3747d06d39a2ff79cb5ac60070f2a76bf
sha256
be43a846f271b2d315381f03677b32e41cefec4d2cee445392eef6e396aeade5
sha512
6d0c3da1391342a157df74c67a20ffe374b2dd643b3a70428030546694facad9818360cbee40f002ac1ab1abd19883dcd4b15b63652027e122476121e796a3fe
ripemd-160
89b4f584286ed04e47cac571268a78968124b494
Diameter
1323690850
Circumference
4158497449.984
Area
1.376141256073E+18
Volume
1.2143903926476E+27
Surface area
5.5045650242922E+18
Circumference
4158497449.984
Perimeter
2647381700
Area
438039366593430625
Diagonal
935990776.22959
Surface area
2628236199560583750
Volume
2.8991435074976E+26
Space diagonal
1146349902.857
Perimeter
1985536275
Area
1.8967660966378E+17
Altitude
573174951.42851
Surface area
1.8967660966378E+17
Volume
3.4166733896408E+25
Height
311996925.40986