640059987 (number)

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.

Interesting facts

Basic properties

Name

Name six hundred forty million fifty-nine thousand nine hundred eighty-seven

Notation

Scientific notation 6.40059987 × 10^8
Engineering notation 6.40059987 × 10^6

Prime Factorization of 640059987

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.

Most popular turbo-numbers

Basic calculations (n = 640059987)

Multiplication

n×y
n×2 1280119974
n×3 1920179961
n×4 2560239948
n×5 3200299935

Division

n÷y
n÷2 320029993.5
n÷3 213353329
n÷3 160014996.75
n÷5 128011997.4

Exponentiation

ny
n2 409676786958440169
n3 2.6221771893482E+26
n4 1.6783506977259E+35
n5 1.0742451257679E+44

Nth Root

y√n
2√n 25299.406850754
3√n 861.80079977028
4√n 159.05787264626
5√n 57.709077986223

Divisors of 640059987

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 conversion 640059987

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

Cryptographic Hash Functions

md5 17992363a9ba31678c9064c4cad5b8c4
sha1 9bb5156985de753f51bec4c749c0b34309dfd82e
sha256 13a4c40bf7099304c63637ab1bc38143444652f4b31b34da95aa3af825bac993
sha512 5093e3d3b0c1796140a5a73f8c111c38cfcd832c5337d04b8c5613ef935d5defe95ea06053d793c758b829d3f705e438e2c904dde34a32829bc4ed056248d50a
ripemd-160 cf080ab7a8023e70ead9d5e960289800bbe6e1d8

640059987 as geometric shapes

Circle

Radius = n
Diameter 1280119974
Circumference 4021615506.032
Area 1.2870375842549E+18

Sphere

Radius = n
Volume 1.0983750125956E+27
Surface area 5.1481503370196E+18
Circumference 4021615506.032

Square

Length = n
Perimeter 2560239948
Area 409676786958440169
Diagonal 905181514.34775

Cube

Length = n
Surface area 2458060721750641014
Volume 2.6221771893482E+26
Space diagonal 1108616417.3759

Equilateral Triangle

Length = n
Perimeter 1920179961
Area 1.773952524234E+17
Altitude 554308208.68794

Triangular Pyramid

Length = n
Surface area 1.773952524234E+17
Volume 3.0902654534347E+25
Height 301727171.44925