661330791 is an odd 9-digits composite number following 661330790
and preceding 661330792 . In scientific notation, it is written as 6.61330791 × 10^8.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 400191840 positive integers (up to 661330791) that are relatively prime to 661330791.
661330791 has 16 divisors, whose sum is 892048000
The reverse of 661330791 is 197033166
Previous prime number is 877
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
six hundred sixty-one million three hundred thirty thousand seven hundred ninety-one
Scientific notation
6.61330791 × 10^8
Engineering notation
6.61330791 × 10^6
Prime Factorization
3 × 99 × 877 × 2539
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
661330791
Product of the distinct prime numbers
The prime factorization of 661330791 is 3 × 99 × 877 × 2539.
Since it has a total of 4 prime factors.
2 , 7 , 4 , 55 , 62 , 368 , 4850 , 2100 , 66245 , 18836 , 242885 , 211057 , 8731117 , 966733 , 74022332 , 10871555 , 342472612 , 539435189 , 7834308377 , 3925733207
n×2
1322661582
n×3
1983992373
n×4
2645323164
n×5
3306653955
n÷2
330665395.5
n÷3
220443597
n÷3
165332697.75
n÷5
132266158.2
n2
437358415124685681
n3
2.8923858662491E+26
n4
1.9128238328038E+35
n5
1.2650092983918E+44
2 √n
25716.352599076
3 √n
871.24356051496
4 √n
160.36318966358
5 √n
58.087642207948
1 , 3 , 99 , 297 , 877 , 2539 , 2631 , 7617 , 86823 , 251361 , 260469 , 754083 , 2226703 , 6680109 , 220443597 , 661330791
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
-661330790
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 661330791 can be divided by 16 positive divisors.
The sum of these divisors (counting 661330791) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111011010110001101101100111
3
Ternary
1201002102002022000
4
Quaternary
213122301231213
5
Quinary
2323300041131
6
Senary
145342340343
8
Octal
4732615547
10
Decimal
661330791
12
Duodecimal
16558a6b3
16
Hexadecimal
276b1b67
20
Vigesimal
a6d66jb
36
Base36
axqm3r
md5
ee263ab74a7e1031389fc4c94762e188
sha1
5c5d51a954ec2539d0fa7be2d95339071b81019e
sha256
480bb8f06b45e091e971e4ff03a61029eab2f6af298ece78c0353747165589d7
sha512
095912273ab6e8fd0495de30d2908c7a73e7cd257f6cf29a5db4a74e88b5100e944b9832f7741b5a84c5b69735976c5e1c023fc154af2e2b4b185d2059300c03
ripemd-160
5a36fdae311b7a71c2416343a6c13a95788a1e27
Diameter
1322661582
Circumference
4155263909.1967
Area
1.3740019839414E+18
Volume
1.2115597585007E+27
Surface area
5.4960079357656E+18
Circumference
4155263909.1967
Perimeter
2645323164
Area
437358415124685681
Diagonal
935262973.84713
Surface area
2624150490748114086
Volume
2.8923858662491E+26
Space diagonal
1145458530.6217
Perimeter
1983992373
Area
1.8938174902844E+17
Altitude
572729265.31086
Surface area
1.8938174902844E+17
Volume
3.4087094330548E+25
Height
311754324.61571