66970981 (number)

66970981 is an odd 8-digits composite number following 66970980 and preceding 66970982. In scientific notation, it is written as 6.6970981 × 10^7. The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors. There are 52185120 positive integers (up to 66970981) that are relatively prime to 66970981.

Interesting facts

Basic properties

Name

Name sixty-six million nine hundred seventy thousand nine hundred eighty-one

Notation

Scientific notation 6.6970981 × 10^7
Engineering notation 6.6970981 × 10^6

Prime Factorization of 66970981

Prime Factorization 11 × 7 × 869753

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 66970981
Product of the distinct prime numbers

The prime factorization of 66970981 is 11 × 7 × 869753. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 66970981)

Multiplication

n×y
n×2 133941962
n×3 200912943
n×4 267883924
n×5 334854905

Division

n÷y
n÷2 33485490.5
n÷3 22323660.333333
n÷3 16742745.25
n÷5 13394196.2

Exponentiation

ny
n2 4485112296102361
n3 3.0037237036514E+23
n4 2.0116232308649E+31
n5 1.3472038117341E+39

Nth Root

y√n
2√n 8183.5799623392
3√n 406.09616373385
4√n 90.463141457387
5√n 36.743230067026

Divisors of 66970981

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 -66970980
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 66970981 can be divided by 8 positive divisors. The sum of these divisors (counting 66970981) is 1, the average is 0.125.

Base conversion 66970981

Base System Value
2 Binary 11111111011110010101100101
3 Ternary 11200000110220201
4 Quaternary 3333132111211
5 Quinary 114121032411
6 Senary 10351230501
8 Octal 377362545
10 Decimal 66970981
12 Duodecimal 1a518431
16 Hexadecimal 3fde565
20 Vigesimal 10ib791
36 Base36 13vf51

Cryptographic Hash Functions

md5 bcb83900d375ffc35a98cfc924d4ab94
sha1 6e3c4bd062c52238be5c239053d82aa4f7962537
sha256 4a2551394d488d95f2155abefe2c0571b1b586241aa9eab3713d85638ce089e1
sha512 783631b8b60bba1660625be18a790d5efd9f7d17cec3d8c66fb84ead055032a43864b5b058871be721fd8829fec6934a5d9dc9351d4794b7ba66cb87e19d7ba6
ripemd-160 fca4fcde74a2121b5078b3609d78dc49790dc68d

66970981 as geometric shapes

Circle

Radius = n
Diameter 133941962
Circumference 420791083.8266
Area 1.409039583996E+16

Sphere

Radius = n
Volume 1.258196842774E+24
Surface area 5.6361583359842E+16
Circumference 420791083.8266

Square

Length = n
Perimeter 267883924
Area 4485112296102361
Diagonal 94711269.615631

Cube

Length = n
Surface area 26910673776614166
Volume 3.0037237036514E+23
Space diagonal 115997141.72473

Equilateral Triangle

Length = n
Perimeter 200912943
Area 1.9421105936253E+15
Altitude 57998570.862365

Triangular Pyramid

Length = n
Surface area 1.9421105936253E+15
Volume 3.5399223327711E+22
Height 31570423.20521