642760281 (number)

642760281 is an odd 9-digits composite number following 642760280 and preceding 642760282. In scientific notation, it is written as 6.42760281 × 10^8. The sum of its digits is 36. It has a total of 3 prime factors and 6 positive divisors. There are 428506848 positive integers (up to 642760281) that are relatively prime to 642760281.

Interesting facts

Basic properties

Name

Name six hundred forty-two million seven hundred sixty thousand two hundred eighty-one

Notation

Scientific notation 6.42760281 × 10^8
Engineering notation 6.42760281 × 10^6

Prime Factorization of 642760281

Prime Factorization 3 × 3 × 71417809

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 214253427
Product of the distinct prime numbers

The prime factorization of 642760281 is 3 × 3 × 71417809. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 6, 56, 92, 78, 925, 9750, 9464, 26601, 14416, 309044, 477796, 9376517, 6296491, 75348210, 40779303, 424073758, 790443744, 4988472154, 2155157769

Basic calculations (n = 642760281)

Multiplication

n×y
n×2 1285520562
n×3 1928280843
n×4 2571041124
n×5 3213801405

Division

n÷y
n÷2 321380140.5
n÷3 214253427
n÷3 160690070.25
n÷5 128552056.2

Exponentiation

ny
n2 413140778831198961
n3 2.655504830941E+26
n4 1.7068530313325E+35
n5 1.097097334045E+44

Nth Root

y√n
2√n 25352.717428315
3√n 863.01102520168
4√n 159.22536678656
5√n 57.757688795922

Divisors of 642760281

1, 3, 9, 71417809, 214253427, 642760281

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -642760280
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 642760281 can be divided by 6 positive divisors. The sum of these divisors (counting 642760281) is 1, the average is 0.16666666666667.

Base conversion 642760281

Base System Value
2 Binary 100110010011111011111001011001
3 Ternary 1122210110121100100
4 Quaternary 212103323321121
5 Quinary 2304021312111
6 Senary 143440330013
8 Octal 4623737131
10 Decimal 642760281
12 Duodecimal 15b313909
16 Hexadecimal 264fbe59
20 Vigesimal a0h50e1
36 Base36 amol09

Cryptographic Hash Functions

md5 d3183ed038af90bae74fe758f70d8537
sha1 6b12d14b1b6057cc3dddea2123228665835e414b
sha256 54e473020239b5a0a584530d355f94fc82930d8328ac051b7244739e912c3271
sha512 2e8311574171555c9323ab595d526377927f2ae4b8a52b8b3e17470c924f67c850133742c955da36e3d972000727ee650fac7282dd582d322b94fa801eeb61a4
ripemd-160 6f4f1398c6dedf72dc95c879e30734830ffd6db4

642760281 as geometric shapes

Circle

Radius = n
Diameter 1285520562
Circumference 4038581953.6178
Area 1.2979200356745E+18

Sphere

Radius = n
Volume 1.1123352624609E+27
Surface area 5.1916801426978E+18
Circumference 4038581953.6178

Square

Length = n
Perimeter 2571041124
Area 413140778831198961
Diagonal 909000306.74494

Cube

Length = n
Surface area 2478844672987193766
Volume 2.655504830941E+26
Space diagonal 1113293463.7792

Equilateral Triangle

Length = n
Perimeter 1928280843
Area 1.7889520490355E+17
Altitude 556646731.88962

Triangular Pyramid

Length = n
Surface area 1.7889520490355E+17
Volume 3.12954245572E+25
Height 303000102.24831