640059987 is an odd 9-digits composite number following 640059986
and preceding 640059988 . In scientific notation, it is written as 6.40059987 × 10^8.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 365748552 positive integers (up to 640059987) that are relatively prime to 640059987.
640059987 has 8 divisors, whose sum is 975329536
The reverse of 640059987 is 789950046
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 48
Digital Root 3
Name
six hundred forty million fifty-nine thousand nine hundred eighty-seven
Scientific notation
6.40059987 × 10^8
Engineering notation
6.40059987 × 10^6
Prime Factorization
7 × 3 × 30479047
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
640059987
Product of the distinct prime numbers
The prime factorization of 640059987 is 7 × 3 × 30479047.
Since it has a total of 3 prime factors.
1 , 8 , 97 , 98 , 412 , 122 , 6253 , 342 , 69608 , 99950 , 569292 , 34177 , 8524717 , 9413065 , 2990852 , 23627763 , 164629876 , 771090173 , 1681929110 , 6362909281
n×2
1280119974
n×3
1920179961
n×4
2560239948
n×5
3200299935
n÷2
320029993.5
n÷3
213353329
n÷3
160014996.75
n÷5
128011997.4
n2
409676786958440169
n3
2.6221771893482E+26
n4
1.6783506977259E+35
n5
1.0742451257679E+44
2 √n
25299.406850754
3 √n
861.80079977028
4 √n
159.05787264626
5 √n
57.709077986223
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
-640059986
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 640059987 can be divided by 8 positive divisors.
The sum of these divisors (counting 640059987) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110001001101000101001010011
3
Ternary
1122121101102020110
4
Quaternary
212021220221103
5
Quinary
2302323404422
6
Senary
143302412403
8
Octal
4611505123
10
Decimal
640059987
12
Duodecimal
15a431103
16
Hexadecimal
26268a53
20
Vigesimal
a0079j7
36
Base36
al2pg3
md5
17992363a9ba31678c9064c4cad5b8c4
sha1
9bb5156985de753f51bec4c749c0b34309dfd82e
sha256
13a4c40bf7099304c63637ab1bc38143444652f4b31b34da95aa3af825bac993
sha512
5093e3d3b0c1796140a5a73f8c111c38cfcd832c5337d04b8c5613ef935d5defe95ea06053d793c758b829d3f705e438e2c904dde34a32829bc4ed056248d50a
ripemd-160
cf080ab7a8023e70ead9d5e960289800bbe6e1d8
Diameter
1280119974
Circumference
4021615506.032
Area
1.2870375842549E+18
Volume
1.0983750125956E+27
Surface area
5.1481503370196E+18
Circumference
4021615506.032
Perimeter
2560239948
Area
409676786958440169
Diagonal
905181514.34775
Surface area
2458060721750641014
Volume
2.6221771893482E+26
Space diagonal
1108616417.3759
Perimeter
1920179961
Area
1.773952524234E+17
Altitude
554308208.68794
Surface area
1.773952524234E+17
Volume
3.0902654534347E+25
Height
301727171.44925