640485655 is an odd 9-digits composite number following 640485654
and preceding 640485656 . In scientific notation, it is written as 6.40485655 × 10^8.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 502720608 positive integers (up to 640485655) that are relatively prime to 640485655.
640485655 has 8 divisors, whose sum is 783084672
The reverse of 640485655 is 556584046
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
six hundred forty million four hundred eighty-five thousand six hundred fifty-five
Scientific notation
6.40485655 × 10^8
Engineering notation
6.40485655 × 10^6
Prime Factorization
53 × 5 × 2416927
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
640485655
Product of the distinct prime numbers
The prime factorization of 640485655 is 53 × 5 × 2416927.
Since it has a total of 3 prime factors.
5 , 8 , 47 , 15 , 301 , 594 , 7779 , 2247 , 34562 , 18984 , 700898 , 348451 , 6063976 , 4285429 , 15998762 , 51254161 , 713514181 , 572327208 , 1549144712 , 3768022488
n×2
1280971310
n×3
1921456965
n×4
2561942620
n×5
3202428275
n÷2
320242827.5
n÷3
213495218.33333
n÷3
160121413.75
n÷5
128097131
n2
410221874260779025
n3
2.6274122583124E+26
n4
1.6828198612203E+35
n5
1.0778219810607E+44
2 √n
25307.818060829
3 √n
861.99180256092
4 √n
159.08431117124
5 √n
57.716751759375
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
-640485654
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 640485655 can be divided by 8 positive divisors.
The sum of these divisors (counting 640485655) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110001011010000100100010111
3
Ternary
1122122012001010221
4
Quaternary
212023100210113
5
Quinary
2302431020110
6
Senary
143315455211
8
Octal
4613204427
10
Decimal
640485655
12
Duodecimal
15a5b7507
16
Hexadecimal
262d0917
20
Vigesimal
a030e2f
36
Base36
albtw7
md5
68aa1c869aee43645462e5b1b67ffb0c
sha1
567099e77d94dcf25fa6b20a4281de6635fb2465
sha256
8090a54ddb99ae0af8ac62349adce1e204db4dc3938a8825cdde6a215da96946
sha512
4c56aac325f8d007e7280f90c22efeb6cf5548090d82635dda8e58d4c9cadbccea9f8d2b853b6449f6b112622b4ce187a0cd752f48228a919d031c9ada4481fa
ripemd-160
14ddea99fa2f7861dac53e5e93aed32b2bdcef31
Diameter
1280971310
Circumference
4024290056.9553
Area
1.2887500265195E+18
Volume
1.1005678731555E+27
Surface area
5.155000106078E+18
Circumference
4024290056.9553
Perimeter
2561942620
Area
410221874260779025
Diagonal
905783499.80642
Surface area
2461331245564674150
Volume
2.6274122583124E+26
Space diagonal
1109353695.979
Perimeter
1921456965
Area
1.7763128214895E+17
Altitude
554676847.98952
Surface area
1.7763128214895E+17
Volume
3.0964350413756E+25
Height
301927833.26881