66730781 (number)

66730781 is an odd 8-digits composite number following 66730780 and preceding 66730782. In scientific notation, it is written as 6.6730781 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 61031232 positive integers (up to 66730781) that are relatively prime to 66730781.

Interesting facts

Basic properties

Name

Name sixty-six million seven hundred thirty thousand seven hundred eighty-one

Notation

Scientific notation 6.6730781 × 10^7
Engineering notation 6.6730781 × 10^6

Prime Factorization of 66730781

Prime Factorization 13 × 109 × 47093

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 66730781
Product of the distinct prime numbers

The prime factorization of 66730781 is 13 × 109 × 47093. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 3, 45, 66, 571, 777, 2637, 4089, 75824, 85117, 845660, 763460, 7316610, 5544187, 84808572, 57190509, 313440815, 303109160, 7767716643, 3376732657

Basic calculations (n = 66730781)

Multiplication

n×y
n×2 133461562
n×3 200192343
n×4 266923124
n×5 333653905

Division

n÷y
n÷2 33365390.5
n÷3 22243593.666667
n÷3 16682695.25
n÷5 13346156.2

Exponentiation

ny
n2 4452997132869961
n3 2.9715197646717E+23
n4 1.9829183465348E+31
n5 1.323216899235E+39

Nth Root

y√n
2√n 8168.8910508098
3√n 405.61007683287
4√n 90.381917720359
5√n 36.716835312515

Divisors of 66730781

1, 13, 109, 1417, 47093, 612209, 5133137, 66730781

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 -66730780
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 66730781 can be divided by 8 positive divisors. The sum of these divisors (counting 66730781) is 1, the average is 0.125.

Base conversion 66730781

Base System Value
2 Binary 11111110100011101100011101
3 Ternary 11122120021102102
4 Quaternary 3332203230131
5 Quinary 114040341111
6 Senary 10342134445
8 Octal 376435435
10 Decimal 66730781
12 Duodecimal 1a421425
16 Hexadecimal 3fa3b1d
20 Vigesimal 10h16j1
36 Base36 13q9st

Cryptographic Hash Functions

md5 ed2a4669dd920969a5f8af8ed331cd70
sha1 5987132c05b1ecc9774ebc5ca40b570d56f8c61c
sha256 52c0f82f113829cb8a767a068f9c17149e480de51c0fa7d2b7f19422e2fe739e
sha512 01bb7ab884798161a1f56e4c2b83db411261fd9e6bde2176c6b2bf6586c13140bd816676173c997ec9b8dd60bd65b8574e21603114328d3d2e3e08c2708d60be
ripemd-160 9461cd7325c827694d02d5d17223c186f8cc4a88

66730781 as geometric shapes

Circle

Radius = n
Diameter 133461562
Circumference 419281862.71582
Area 1.3989503079081E+16

Sphere

Radius = n
Volume 1.2447072883586E+24
Surface area 5.5958012316323E+16
Circumference 419281862.71582

Square

Length = n
Perimeter 266923124
Area 4452997132869961
Diagonal 94371575.517949

Cube

Length = n
Surface area 26717982797219766
Volume 2.9715197646717E+23
Space diagonal 115581103.12075

Equilateral Triangle

Length = n
Perimeter 200192343
Area 1.9282043200223E+15
Altitude 57790551.560376

Triangular Pyramid

Length = n
Surface area 1.9282043200223E+15
Volume 3.5019696267154E+22
Height 31457191.839316