64781640 (number)

64781640 is an even 8-digits composite number following 64781639 and preceding 64781641. In scientific notation, it is written as 6.4781640 × 10^7. The sum of its digits is 36. It has a total of 7 prime factors and 64 positive divisors. There are 12441600 positive integers (up to 64781640) that are relatively prime to 64781640.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.4781640 × 10^7
Engineering notation 6.4781640 × 10^6

Prime Factorization of 64781640

Prime Factorization 2 × 2 × 2 × 5985 × 3 × 11 × 41

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 16195410
Product of the distinct prime numbers

The prime factorization of 64781640 is 2 × 2 × 2 × 5985 × 3 × 11 × 41. Since it has a total of 7 prime factors.

Most popular turbo-numbers

5, 4, 87, 71, 142, 702, 794, 5355, 7858, 31556, 729325, 112046, 1551468, 1560074, 23118591, 5151777, 817780709, 111609064, 2936333594, 5318399970

Basic calculations (n = 64781640)

Multiplication

n×y
n×2 129563280
n×3 194344920
n×4 259126560
n×5 323908200

Division

n÷y
n÷2 32390820
n÷3 21593880
n÷3 16195410
n÷5 12956328

Exponentiation

ny
n2 4196660881089600
n3 2.7186657440083E+23
n4 1.7611962550868E+31
n5 1.1409318176638E+39

Nth Root

y√n
2√n 8048.7042435413
3√n 401.62183193219
4√n 89.714570965598
5√n 36.499791840367

Divisors of 64781640

1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 41, 44, 66, 82, 88, 123, 132, 164, 246, 264, 328, 451, 492, 902, 984, 1353, 1804, 2706, 3608, 5412, 5985, 10824, 11970, 17955, 23940, 35910, 47880, 65835, 71820, 131670, 143640, 197505, 245385, 263340, 395010, 490770, 526680, 736155, 790020, 981540, 1472310, 1580040, 1963080, 2699235, 2944620, 5398470, 5889240, 8097705, 10796940, 16195410, 21593880, 32390820, 64781640

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 -64781639
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 64781640 can be divided by 64 positive divisors. The sum of these divisors (counting 64781640) is 1, the average is 0.015625.

Base conversion 64781640

Base System Value
2 Binary 11110111000111110101001000
3 Ternary 11111220020201000
4 Quaternary 3313013311020
5 Quinary 113041003030
6 Senary 10232255000
8 Octal 367076510
10 Decimal 64781640
12 Duodecimal 19841460
16 Hexadecimal 3dc7d48
20 Vigesimal 104he20
36 Base36 12khu0

Cryptographic Hash Functions

md5 05bb29662fc5f2173a39e87d313d077b
sha1 796516a0ac034093750c58205c4b3aad6b526351
sha256 ff8fc03d2e0735d6af40a5697497e909fd6ab31e5b7ce73bf3a4024764bebb1d
sha512 2c177936ba87e3c42d9e22ec6214bb0dbab7eb4ef03784ca5a73d9bc4ed5b00b8e3a7dd0d4566ad0a4463ab294a6c7d105cebc9d4b99ffacf4a0c2339dc72380
ripemd-160 6d380ca47c59c3f1e6527219256160588caea300

64781640 as geometric shapes

Circle

Radius = n
Diameter 129563280
Circumference 407035048.623
Area 1.3184198993639E+16

Sphere

Radius = n
Volume 1.138792043859E+24
Surface area 5.2736795974555E+16
Circumference 407035048.623

Square

Length = n
Perimeter 259126560
Area 4196660881089600
Diagonal 91615073.880771

Cube

Length = n
Surface area 25179965286537600
Volume 2.7186657440083E+23
Space diagonal 112205091.87764

Equilateral Triangle

Length = n
Perimeter 194344920
Area 1.817207467046E+15
Altitude 56102545.938818

Triangular Pyramid

Length = n
Surface area 1.817207467046E+15
Volume 3.2039783056131E+22
Height 30538357.960257