640291285 is an odd 9-digits composite number following 640291284
and preceding 640291286 . In scientific notation, it is written as 6.40291285 × 10^8.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 498415680 positive integers (up to 640291285) that are relatively prime to 640291285.
640291285 has 16 divisors, whose sum is 789212160
The reverse of 640291285 is 582192046
Previous prime number is 269
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
six hundred forty million two hundred ninety-one thousand two hundred eighty-five
Scientific notation
6.40291285 × 10^8
Engineering notation
6.40291285 × 10^6
Prime Factorization
5 × 43 × 269 × 11071
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
640291285
Product of the distinct prime numbers
The prime factorization of 640291285 is 5 × 43 × 269 × 11071.
Since it has a total of 4 prime factors.
8 , 1 , 18 , 45 , 72 , 935 , 5692 , 8156 , 30607 , 81609 , 464704 , 286121 , 9449296 , 1735405 , 18032714 , 46942420 , 69111934 , 355434879 , 1169316092 , 6271818274
n×2
1280582570
n×3
1920873855
n×4
2561165140
n×5
3201456425
n÷2
320145642.5
n÷3
213430428.33333
n÷3
160072821.25
n÷5
128058257
n2
409972929646951225
n3
2.6250209393886E+26
n4
1.680778030433E+35
n5
1.0761875249057E+44
2 √n
25303.977651745
3 √n
861.90459670564
4 √n
159.07224035558
5 √n
57.713248240758
1 , 5 , 43 , 215 , 269 , 1345 , 11071 , 11567 , 55355 , 57835 , 476053 , 2380265 , 2978099 , 14890495 , 128058257 , 640291285
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
-640291284
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 640291285 can be divided by 16 positive divisors.
The sum of these divisors (counting 640291285) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110001010100001000111010101
3
Ternary
1122121211011112001
4
Quaternary
212022201013111
5
Quinary
2302403310120
6
Senary
143311355301
8
Octal
4612410725
10
Decimal
640291285
12
Duodecimal
15a522b31
16
Hexadecimal
262a11d5
20
Vigesimal
a01g845
36
Base36
al7nx1
md5
09d95654a83794829261c69322d67024
sha1
189d22ce37ab8c94f6769ae8272716fd35fcc54a
sha256
2c5c48bfc6b78d7d6290cd60c654ff54db7e15cee4adc234b004618f3bf5acef
sha512
b25053bb39790e75335fbd6d9050cc36889c63ce23c01a6e95c0446701bd91d8de70321388019da35e3da4c43561725eccbc6e76e41813ef94928f44c9a166e8
ripemd-160
7e94a1cd100f13b42036769f2d073ca01af40989
Diameter
1280582570
Circumference
4023068794.2271
Area
1.2879679439495E+18
Volume
1.099566199827E+27
Surface area
5.1518717757982E+18
Circumference
4023068794.2271
Perimeter
2561165140
Area
409972929646951225
Diagonal
905508619.1163
Surface area
2459837577881707350
Volume
2.6250209393886E+26
Space diagonal
1109017037.2636
Perimeter
1920873855
Area
1.775234859691E+17
Altitude
554508518.63178
Surface area
1.775234859691E+17
Volume
3.0936168449973E+25
Height
301836206.3721