640255087 is an odd 9-digits composite number following 640255086
and preceding 640255088 . In scientific notation, it is written as 6.40255087 × 10^8.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 639373680 positive integers (up to 640255087) that are relatively prime to 640255087.
640255087 has 4 divisors, whose sum is 641136496
The reverse of 640255087 is 780552046
Previous prime number is 727
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
six hundred forty million two hundred fifty-five thousand eighty-seven
Scientific notation
6.40255087 × 10^8
Engineering notation
6.40255087 × 10^6
Prime Factorization
727 × 880681
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
640255087
Product of the distinct prime numbers
The prime factorization of 640255087 is 727 × 880681.
Since it has a total of 2 prime factors.
7 , 3 , 7 , 21 , 344 , 989 , 7496 , 2019 , 72818 , 85409 , 562318 , 996377 , 5844950 , 2204265 , 13424084 , 93474151 , 678529620 , 464043354 , 7222469832 , 6656902679
n×2
1280510174
n×3
1920765261
n×4
2561020348
n×5
3201275435
n÷2
320127543.5
n÷3
213418362.33333
n÷3
160063771.75
n÷5
128051017.4
n2
409926576429377569
n3
2.624575758554E+26
n4
1.6803979806311E+35
n5
1.0758833552836E+44
2 √n
25303.262378595
3 √n
861.88835419682
4 √n
159.06999207454
5 √n
57.712595677947
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-640255086
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 640255087 can be divided by 4 positive divisors.
The sum of these divisors (counting 640255087) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110001010011000010001101111
3
Ternary
1122121202022212101
4
Quaternary
212022120101233
5
Quinary
2302401130322
6
Senary
143310515531
8
Octal
4612302157
10
Decimal
640255087
12
Duodecimal
15a505ba7
16
Hexadecimal
2629846f
20
Vigesimal
a01bhe7
36
Base36
al6vzj
md5
b9d1859cdb1f28e417b1fc956de11931
sha1
57545b4abd38feb6fbd6c45b32e883ff6caea086
sha256
9ea8a16ff7edeb7b3b589534d7cce86edaf3b90a039085bde6c9f96bc96a9a70
sha512
d572bd8677618c7e8714637730f99e70320dcc8ca2719fc60f68c5ae03ab3cfdb9c3b0f0c0ac89f5bf1921ede4b76d7b1b34b6e8a51b081a49b65a6619861d0c
ripemd-160
80be8b978a3e8639c455ee0ebc770a8cd4150198
Diameter
1280510174
Circumference
4022841355.4854
Area
1.2878223210217E+18
Volume
1.0993797229151E+27
Surface area
5.151289284087E+18
Circumference
4022841355.4854
Perimeter
2561020348
Area
409926576429377569
Diagonal
905457427.41377
Surface area
2459559458576265414
Volume
2.624575758554E+26
Space diagonal
1108954340.4884
Perimeter
1920765261
Area
1.7750341443711E+17
Altitude
554477170.24422
Surface area
1.7750341443711E+17
Volume
3.0930921943523E+25
Height
301819142.47126