642764666 (number)

642764666 is an even 9-digits composite number following 642764665 and preceding 642764667. In scientific notation, it is written as 6.42764666 × 10^8. The sum of its digits is 47. It has a total of 5 prime factors and 24 positive divisors. There are 310728960 positive integers (up to 642764666) that are relatively prime to 642764666.

Interesting facts

Basic properties

Name

Name six hundred forty-two million seven hundred sixty-four thousand six hundred sixty-six

Notation

Scientific notation 6.42764666 × 10^8
Engineering notation 6.42764666 × 10^6

Prime Factorization of 642764666

Prime Factorization 2 × 37 × 37 × 181 × 1297

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 17372018
Product of the distinct prime numbers

The prime factorization of 642764666 is 2 × 37 × 37 × 181 × 1297. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 7, 86, 49, 340, 540, 6848, 8692, 52276, 23063, 705181, 991273, 2196822, 744107, 25732616, 53331004, 323594871, 106867285, 3859358734, 8844416900

Basic calculations (n = 642764666)

Multiplication

n×y
n×2 1285529332
n×3 1928293998
n×4 2571058664
n×5 3213823330

Division

n÷y
n÷2 321382333
n÷3 214254888.66667
n÷3 160691166.5
n÷5 128552933.2

Exponentiation

ny
n2 413146415858091556
n3 2.6555591799812E+26
n4 1.7068996093639E+35
n5 1.0971347573083E+44

Nth Root

y√n
2√n 25352.803908049
3√n 863.01298772428
4√n 159.22563835026
5√n 57.757767601904

Divisors of 642764666

1, 2, 37, 74, 181, 362, 1297, 1369, 2594, 2738, 6697, 13394, 47989, 95978, 234757, 247789, 469514, 495578, 1775593, 3551186, 8686009, 17372018, 321382333, 642764666

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -642764665
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 642764666 can be divided by 24 positive divisors. The sum of these divisors (counting 642764666) is 1, the average is 0.041666666666667.

Base conversion 642764666

Base System Value
2 Binary 100110010011111100111101111010
3 Ternary 1122210110211100202
4 Quaternary 212103330331322
5 Quinary 2304021432131
6 Senary 143440402202
8 Octal 4623747572
10 Decimal 642764666
12 Duodecimal 15b316362
16 Hexadecimal 264fcf7a
20 Vigesimal a0h5bd6
36 Base36 amooe2

Cryptographic Hash Functions

md5 061b2d68613fd33b7966e8f18ca9fe5c
sha1 66f763115578af86b9287afef30f6c29c87f41bd
sha256 97921d35b4932661e55118969bd59442f5ee684c6194073765cca2c67b02fe99
sha512 64bafc95bd66c122d1356fccdd0ff6b08b537a9e47d2a2012018315ec7c1c0b7cda78b8444421c1237a10cb1fa951d29e7be2c0c60efb0b79a4ffb2efd5b25cb
ripemd-160 34314fcba4783e18c530516f372124dad4033767

642764666 as geometric shapes

Circle

Radius = n
Diameter 1285529332
Circumference 4038609505.3854
Area 1.2979377449167E+18

Sphere

Radius = n
Volume 1.1123580281336E+27
Surface area 5.1917509796669E+18
Circumference 4038609505.3854

Square

Length = n
Perimeter 2571058664
Area 413146415858091556
Diagonal 909006508.07141

Cube

Length = n
Surface area 2478878495148549336
Volume 2.6555591799812E+26
Space diagonal 1113301058.822

Equilateral Triangle

Length = n
Perimeter 1928293998
Area 1.788976458078E+17
Altitude 556650529.41102

Triangular Pyramid

Length = n
Surface area 1.788976458078E+17
Volume 3.1296065066782E+25
Height 303002169.35714