661228305 is an odd 9-digits composite number following 661228304
and preceding 661228306 . In scientific notation, it is written as 6.61228305 × 10^8.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 352168128 positive integers (up to 661228305) that are relatively prime to 661228305.
661228305 has 16 divisors, whose sum is 1059426240
The reverse of 661228305 is 503822166
Previous prime number is 733
Is Prime? no Number parity odd Number length 9 Sum of Digits 33 Digital Root 6
Name
six hundred sixty-one million two hundred twenty-eight thousand three hundred five
Scientific notation
6.61228305 × 10^8
Engineering notation
6.61228305 × 10^6
Prime Factorization
3 × 5 × 733 × 60139
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
661228305 Product of the distinct prime numbers
The prime factorization of 661228305 is 3 × 5 × 733 × 60139.
Since it has a total of 4 prime factors.
4 , 6 , 75 , 83 , 168 , 57 , 5002 , 1168 , 12212 , 30966 , 656407 , 438756 , 6657405 , 232184 , 16357312 , 3565850 , 549280757 , 139169678 , 1191015522 , 8792383549
n×2
1322456610
n×3
1983684915
n×4
2644913220
n×5
3306141525
n÷2
330614152.5
n÷3
220409435
n÷3
165307076.25
n÷5
132245661
n2
437222871333173025
n3
2.8910413811887E+26
n4
1.9116383921682E+35
n5
1.2640294138263E+44
2 √n25714.359898703
3 √n871.19855284176
4 √n160.35697645785
5 √n58.085841735555
1 , 3 , 5 , 15 , 733 , 2199 , 3665 , 10995 , 60139 , 180417 , 300695 , 902085 , 44081887 , 132245661 , 220409435 , 661228305
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
-661228304 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 661228305 can be divided by 16 positive divisors.
The sum of these divisors (counting 661228305) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111011010011000101100010001
3
Ternary
1201002012212201020
4
Quaternary
213122120230101
5
Quinary
2323233301210
6
Senary
145340230053
8
Octal
4732305421
10
Decimal
661228305
12
Duodecimal
16553b329
16
Hexadecimal
27698b11
20
Vigesimal
a6cdaf5
36
Base36
axof0x
md5
403eaa71d7c9097c8ee62756e6fe481c
sha1
302f093143c0fcb0f7f68acba7e776c707266d66
sha256
e5011df879bd0ac2940c17971fe19be9d3d02542a1d88b51e94f9bb078f2d29e
sha512
9a022c41645d3210c2d7ec81549428c966ecf444dbba8a8a8539886811326397afeb4e028c525540ed9a7bd48c20cbf859986b2ee83543c74368e68a9e4742b8
ripemd-160
28b1cd218dba1d57949a446a16aca22eb1aea9c6
Diameter
1322456610
Circumference
4154619970.6673
Area
1.3735761605617E+18
Volume
1.2109965819155E+27
Surface area
5.4943046422469E+18
Circumference
4154619970.6673
Perimeter
2644913220
Area
437222871333173025
Diagonal
935118036.75597
Surface area
2623337227999038150
Volume
2.8910413811887E+26
Space diagonal
1145281019.6626
Perimeter
1983684915
Area
1.8932305684505E+17
Altitude
572640509.83132
Surface area
1.8932305684505E+17
Volume
3.4071249422157E+25
Height
311706012.25199