642718561 (number)

642718561 is an odd 9-digits composite number following 642718560 and preceding 642718562. In scientific notation, it is written as 6.42718561 × 10^8. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 604504768 positive integers (up to 642718561) that are relatively prime to 642718561.

Interesting facts

Basic properties

Name

Name six hundred forty-two million seven hundred eighteen thousand five hundred sixty-one

Notation

Scientific notation 6.42718561 × 10^8
Engineering notation 6.42718561 × 10^6

Prime Factorization of 642718561

Prime Factorization 29 × 47 × 239 × 1973

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 642718561
Product of the distinct prime numbers

The prime factorization of 642718561 is 29 × 47 × 239 × 1973. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 1, 76, 78, 70, 624, 7969, 4524, 3628, 17071, 873164, 784983, 7844012, 8229543, 66598934, 88493696, 357067380, 820407411, 4994418595, 9415214803

Basic calculations (n = 642718561)

Multiplication

n×y
n×2 1285437122
n×3 1928155683
n×4 2570874244
n×5 3213592805

Division

n÷y
n÷2 321359280.5
n÷3 214239520.33333
n÷3 160679640.25
n÷5 128543712.2

Exponentiation

ny
n2 413087148653910721
n3 2.6549877775043E+26
n4 1.7064099238302E+35
n5 1.0967413307203E+44

Nth Root

y√n
2√n 25351.894623479
3√n 862.99235281839
4√n 159.22278299125
5√n 57.756938994352

Divisors of 642718561

1, 29, 47, 239, 1363, 1973, 6931, 11233, 57217, 92731, 325757, 471547, 2689199, 13674863, 22162709, 642718561

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -642718560
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 642718561 can be divided by 16 positive divisors. The sum of these divisors (counting 642718561) is 1, the average is 0.0625.

Base conversion 642718561

Base System Value
2 Binary 100110010011110001101101100001
3 Ternary 1122210101111010011
4 Quaternary 212103301231201
5 Quinary 2304013443221
6 Senary 143435404521
8 Octal 4623615541
10 Decimal 642718561
12 Duodecimal 15b2b3741
16 Hexadecimal 264f1b61
20 Vigesimal a0gjg81
36 Base36 amnotd

Cryptographic Hash Functions

md5 ddb140b2faf20ce24579c1e7d3029227
sha1 631f057cfbc8d06ec20b653ccc679f29aaa4bfb0
sha256 79dcfcb6503b0d64dd69856598ff0bff8c928c9b28cfe9181a8d689555d89ca4
sha512 dae8a7c610b765c5232df8391ba166a1e55aec65ad9711252922d4352816e578b3d09fe7825fe0ec84bae63a9c24761fabf89b850f30d9d699a5974fc0d33f7e
ripemd-160 9918c5d52f8385f579839c4693ebee89847cbc79

642718561 as geometric shapes

Circle

Radius = n
Diameter 1285437122
Circumference 4038319819.1268
Area 1.2977515515035E+18

Sphere

Radius = n
Volume 1.1121186796238E+27
Surface area 5.1910062060139E+18
Circumference 4038319819.1268

Square

Length = n
Perimeter 2570874244
Area 413087148653910721
Diagonal 908941305.75512

Cube

Length = n
Surface area 2478522891923464326
Volume 2.6549877775043E+26
Space diagonal 1113221202.6196

Equilateral Triangle

Length = n
Perimeter 1928155683
Area 1.7887198235558E+17
Altitude 556610601.30978

Triangular Pyramid

Length = n
Surface area 1.7887198235558E+17
Volume 3.1289331024012E+25
Height 302980435.25171