642788520 (number)

642788520 is an even 9-digits composite number following 642788519 and preceding 642788521. In scientific notation, it is written as 6.42788520 × 10^8. The sum of its digits is 42. It has a total of 7 prime factors and 64 positive divisors. There are 153923840 positive integers (up to 642788520) that are relatively prime to 642788520.

Interesting facts

Basic properties

Name

Name six hundred forty-two million seven hundred eighty-eight thousand five hundred twenty

Notation

Scientific notation 6.42788520 × 10^8
Engineering notation 6.42788520 × 10^6

Prime Factorization of 642788520

Prime Factorization 2 × 2 × 2 × 3 × 55 × 83 × 5867

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 160697130
Product of the distinct prime numbers

The prime factorization of 642788520 is 2 × 2 × 2 × 3 × 55 × 83 × 5867. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 642788520)

Multiplication

n×y
n×2 1285577040
n×3 1928365560
n×4 2571154080
n×5 3213942600

Division

n÷y
n÷2 321394260
n÷3 214262840
n÷3 160697130
n÷5 128557704

Exponentiation

ny
n2 413177081443790400
n3 2.6558548467917E+26
n4 1.7071530063041E+35
n5 1.0973383543358E+44

Nth Root

y√n
2√n 25353.274344747
3√n 863.02366351188
4√n 159.2271156077
5√n 57.758196291721

Divisors of 642788520

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -642788519
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 642788520 can be divided by 64 positive divisors. The sum of these divisors (counting 642788520) is 1, the average is 0.015625.

Base conversion 642788520

Base System Value
2 Binary 100110010100000010110010101000
3 Ternary 1122210112001002020
4 Quaternary 212110002302220
5 Quinary 2304023213040
6 Senary 143441104440
8 Octal 4624026250
10 Decimal 642788520
12 Duodecimal 15b328120
16 Hexadecimal 26502ca8
20 Vigesimal a0h8b60
36 Base36 amp6so

Cryptographic Hash Functions

md5 101a1c6362b1f71fc672792146aac465
sha1 4756a55afad6c70604132028a3c82792fe4a5d1f
sha256 3535f7bcaea5a29d317fe7cb4143670083ce5b931788a7b4df743250bbd06511
sha512 5bb3c5ef268237e0b4c40662c18bdc1a4466626683baed75ecb83be9f896737ada9f628bbcbdc124c27d4fe7071fa8ee3c107aa1438fdec22e5a66e564271c28
ripemd-160 71148dccd1a8af1a737bae929a47b9abb03de8bd

642788520 as geometric shapes

Circle

Radius = n
Diameter 1285577040
Circumference 4038759384.4877
Area 1.2980340836955E+18

Sphere

Radius = n
Volume 1.1124818767576E+27
Surface area 5.1921363347819E+18
Circumference 4038759384.4877

Square

Length = n
Perimeter 2571154080
Area 413177081443790400
Diagonal 909040242.72173

Cube

Length = n
Surface area 2479062488662742400
Volume 2.6558548467917E+26
Space diagonal 1113342375.162

Equilateral Triangle

Length = n
Perimeter 1928365560
Area 1.7891092439592E+17
Altitude 556671187.581

Triangular Pyramid

Length = n
Surface area 1.7891092439592E+17
Volume 3.129954953356E+25
Height 303013414.24058