661491567 is an odd 9-digits composite number following 661491566
and preceding 661491568 . In scientific notation, it is written as 6.61491567 × 10^8.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 400903920 positive integers (up to 661491567) that are relatively prime to 661491567.
661491567 has 12 divisors, whose sum is 1042350504
The reverse of 661491567 is 765194166
Previous prime number is 11
Is Prime? no Number parity odd Number length 9 Sum of Digits 45 Digital Root 9
Name
six hundred sixty-one million four hundred ninety-one thousand five hundred sixty-seven
Scientific notation
6.61491567 × 10^8
Engineering notation
6.61491567 × 10^6
Prime Factorization
3 × 3 × 11 × 6681733
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
220497189 Product of the distinct prime numbers
The prime factorization of 661491567 is 3 × 3 × 11 × 6681733.
Since it has a total of 4 prime factors.
7 , 9 , 82 , 68 , 125 , 688 , 267 , 5959 , 99485 , 37076 , 477379 , 326514 , 5213378 , 8743010 , 39352745 , 76772402 , 550959193 , 392065452 , 9921917697 , 6060331990
n×2
1322983134
n×3
1984474701
n×4
2645966268
n×5
3307457835
n÷2
330745783.5
n÷3
220497189
n÷3
165372891.75
n÷5
132298313.4
n2
437571093212115489
n3
2.8944958812279E+26
n4
1.9146846161485E+35
n5
1.2665477270468E+44
2 √n25719.478357852
3 √n871.31415741186
4 √n160.37293524112
5 √n58.090466268419
1 , 3 , 9 , 11 , 33 , 99 , 6681733 , 20045199 , 60135597 , 73499063 , 220497189 , 661491567
12 divisors
τ Total Divisors
12 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-661491566 Sum of the proper positive divisors of n
A Arithmetic Mean
0.083333333333333 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
12 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 661491567 can be divided by 12 positive divisors.
The sum of these divisors (counting 661491567) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100111011011011000111101101111
3
Ternary
1201002201020211200
4
Quaternary
213123120331233
5
Quinary
2323320212232
6
Senary
145350020543
8
Octal
4733307557
10
Decimal
661491567
12
Duodecimal
165647753
16
Hexadecimal
276d8f6f
20
Vigesimal
a6e68i7
36
Base36
axu25r
md5
65ce05a4deb66c324e516d021ea03489
sha1
dd8b47ff338b504361c0d257f434c7b67274f8af
sha256
4a3bce20566dde32090a91a0547c074bccc8ee259e5752aa217f82a5339225a1
sha512
cc0776e09f24fffb8223bb3dd2e42fd808fa59e78024bd94e1f4c9c66e77b48e2db31596998d6d818eb68fb564c25d969b4bc380c2ac1e7e4cfc30994c58fa2b
ripemd-160
60fe41813548083ba20fc22cad05a2bcb0b04fb1
Diameter
1322983134
Circumference
4156274094.5976
Area
1.3746701318584E+18
Volume
1.2124435995082E+27
Surface area
5.4986805274337E+18
Circumference
4156274094.5976
Perimeter
2645966268
Area
437571093212115489
Diagonal
935490345.44683
Surface area
2625426559272692934
Volume
2.8944958812279E+26
Space diagonal
1145737002.8224
Perimeter
1984474701
Area
1.8947384134171E+17
Altitude
572868501.41118
Surface area
1.8947384134171E+17
Volume
3.4111961095546E+25
Height
311830115.14894