660405890 is an even 9-digits composite number following 660405889
and preceding 660405891 . In scientific notation, it is written as 6.60405890 × 10^8.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 264162352 positive integers (up to 660405890) that are relatively prime to 660405890.
660405890 has 8 divisors, whose sum is 1188730620
The reverse of 660405890 is 098504066
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 38
Digital Root 2
Name
six hundred sixty million four hundred five thousand eight hundred ninety
Scientific notation
6.60405890 × 10^8
Engineering notation
6.60405890 × 10^6
Prime Factorization
2 × 5 × 66040589
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
660405890
Product of the distinct prime numbers
The prime factorization of 660405890 is 2 × 5 × 66040589.
Since it has a total of 3 prime factors.
5 , 2 , 37 , 35 , 133 , 815 , 4538 , 3280 , 51003 , 81887 , 648924 , 256866 , 8643869 , 7389858 , 8844231 , 53120823 , 169460459 , 571503984 , 4718269811 , 7159794605
n×2
1320811780
n×3
1981217670
n×4
2641623560
n×5
3302029450
n÷2
330202945
n÷3
220135296.66667
n÷3
165101472.5
n÷5
132081178
n2
436135939546692100
n3
2.8802674331732E+26
n4
1.9021455776428E+35
n5
1.2561881431127E+44
2 √n
25698.363566578
3 √n
870.83721319263
4 √n
160.30709144195
5 √n
58.071385472512
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
-660405889
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 660405890 can be divided by 8 positive divisors.
The sum of these divisors (counting 660405890) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111010111001111111010000010
3
Ternary
1201000200002120102
4
Quaternary
213113033322002
5
Quinary
2323030442030
6
Senary
145310442402
8
Octal
4727177202
10
Decimal
660405890
12
Duodecimal
165203402
16
Hexadecimal
275cfe82
20
Vigesimal
a67aeea
36
Base36
ax6sg2
md5
ea6f058c507702619d826fd739f2e3b7
sha1
fdec57a8b535d1372f4d9cf8a8285b198a91947d
sha256
c113a6e3329ee4f5122abb43e2d0686e9b757f48bbc0d0db72ff862a02d4c7dd
sha512
6f7be8808a7949ab915828401fe8486c3ebd395c853bd1373bc006fb5682ca692fb3a3c4c582142986a07e44f77fd415c3a4c061db64eea604d786a410cce517
ripemd-160
e9f043ebbbd7e23e8e49852abe24151b5f0d8d6f
Diameter
1320811780
Circumference
4149452584.8229
Area
1.3701614636464E+18
Volume
1.2064836011241E+27
Surface area
5.4806458545855E+18
Circumference
4149452584.8229
Perimeter
2641623560
Area
436135939546692100
Diagonal
933954966.30907
Surface area
2616815637280152600
Volume
2.8802674331732E+26
Space diagonal
1143856555.0977
Perimeter
1981217670
Area
1.8885240157541E+17
Altitude
571928277.54887
Surface area
1.8885240157541E+17
Volume
3.3944277227126E+25
Height
311318322.10302