65747981 (number)

65747981 is an odd 8-digits composite number following 65747980 and preceding 65747982. In scientific notation, it is written as 6.5747981 × 10^7. The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors. There are 60633072 positive integers (up to 65747981) that are relatively prime to 65747981.

Interesting facts

Basic properties

Name

Name sixty-five million seven hundred forty-seven thousand nine hundred eighty-one

Notation

Scientific notation 6.5747981 × 10^7
Engineering notation 6.5747981 × 10^6

Prime Factorization of 65747981

Prime Factorization 13 × 3203 × 1579

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 65747981
Product of the distinct prime numbers

The prime factorization of 65747981 is 13 × 3203 × 1579. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 65747981)

Multiplication

n×y
n×2 131495962
n×3 197243943
n×4 262991924
n×5 328739905

Division

n÷y
n÷2 32873990.5
n÷3 21915993.666667
n÷3 16436995.25
n÷5 13149596.2

Exponentiation

ny
n2 4322797005576361
n3 2.8421517538949E+23
n4 1.868657395142E+31
n5 1.2286045091131E+39

Nth Root

y√n
2√n 8108.5128722843
3√n 403.60896753842
4√n 90.047281315342
5√n 36.608040580281

Divisors of 65747981

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 -65747980
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 65747981 can be divided by 8 positive divisors. The sum of these divisors (counting 65747981) is 1, the average is 0.125.

Base conversion 65747981

Base System Value
2 Binary 11111010110011110000001101
3 Ternary 11120201100021102
4 Quaternary 3322303300031
5 Quinary 113312413411
6 Senary 10305112445
8 Octal 372636015
10 Decimal 65747981
12 Duodecimal 1a028725
16 Hexadecimal 3eb3c0d
20 Vigesimal 10ai9j1
36 Base36 1357gt

Cryptographic Hash Functions

md5 f05f9db3cbcd72fac5bad8f1e4b4e96b
sha1 e4139391e06413663394bdc0a0796f751e65d820
sha256 b0e28083edc6d2e1c13894a59e8f3c7d7672e570c2b1f51f74e5098dc3e700dc
sha512 ed02906da1671ccc9e4f3266ba652e98e3e157dd63651fe11655638cde351e158086cd2912edbcd2cc07ee5bd5b964956fb9bd44bc63b2c574268497c62314ee
ripemd-160 733df00b69583997a326bdb745062118453d7307

65747981 as geometric shapes

Circle

Radius = n
Diameter 131495962
Circumference 413106748.19592
Area 1.3580467315679E+16

Sphere

Radius = n
Volume 1.1905177427231E+24
Surface area 5.4321869262715E+16
Circumference 413106748.19592

Square

Length = n
Perimeter 262991924
Area 4322797005576361
Diagonal 92981686.428849

Cube

Length = n
Surface area 25936782033458166
Volume 2.8421517538949E+23
Space diagonal 113878843.58707

Equilateral Triangle

Length = n
Perimeter 197243943
Area 1.8718260111162E+15
Altitude 56939421.793537

Triangular Pyramid

Length = n
Surface area 1.8718260111162E+15
Volume 3.3495079639006E+22
Height 30993895.476283