66791985 (number)

66791985 is an odd 8-digits composite number following 66791984 and preceding 66791986. In scientific notation, it is written as 6.6791985 × 10^7. The sum of its digits is 51. It has a total of 5 prime factors and 32 positive divisors. There are 32766720 positive integers (up to 66791985) that are relatively prime to 66791985.

Interesting facts

Basic properties

Name

Name sixty-six million seven hundred ninety-one thousand nine hundred eighty-five

Notation

Scientific notation 6.6791985 × 10^7
Engineering notation 6.6791985 × 10^6

Prime Factorization of 66791985

Prime Factorization 3 × 5 × 13 × 461 × 743

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 66791985
Product of the distinct prime numbers

The prime factorization of 66791985 is 3 × 5 × 13 × 461 × 743. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 2, 84, 15, 282, 716, 2912, 8191, 63968, 81433, 509603, 602595, 1469207, 1552932, 5508593, 78042777, 391414749, 562394109, 5415430766, 7258882889

Basic calculations (n = 66791985)

Multiplication

n×y
n×2 133583970
n×3 200375955
n×4 267167940
n×5 333959925

Division

n÷y
n÷2 33395992.5
n÷3 22263995
n÷3 16697996.25
n÷5 13358397

Exponentiation

ny
n2 4461169260240225
n3 2.9797035031243E+23
n4 1.9902031168512E+31
n5 1.3292961672768E+39

Nth Root

y√n
2√n 8172.6363555465
3√n 405.73404447819
4√n 90.402634671488
5√n 36.72356801718

Divisors of 66791985

1, 3, 5, 13, 15, 39, 65, 195, 461, 743, 1383, 2229, 2305, 3715, 5993, 6915, 9659, 11145, 17979, 28977, 29965, 48295, 89895, 144885, 342523, 1027569, 1712615, 4452799, 5137845, 13358397, 22263995, 66791985

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -66791984
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 66791985 can be divided by 32 positive divisors. The sum of these divisors (counting 66791985) is 1, the average is 0.03125.

Base conversion 66791985

Base System Value
2 Binary 11111110110010101000110001
3 Ternary 11122200101101020
4 Quaternary 3332302220301
5 Quinary 114044320420
6 Senary 10343330053
8 Octal 376625061
10 Decimal 66791985
12 Duodecimal 1a450929
16 Hexadecimal 3fb2a31
20 Vigesimal 10h8jj5
36 Base36 13rl0x

Cryptographic Hash Functions

md5 ab4c1f9f600abee0a6a74f147aadb57f
sha1 d05b40c17a0063deec96cd58a3f7c5b20acf09c7
sha256 4b3944f21201654bc4b8abb2f768e661d12ccc088552796c660dbb9c45fea591
sha512 6fad039d860aa5cd6d1a54a3b31b07849d5ba83ace742c4f39315718b8c4f6df630d0ac66573bd91fd61b38696fc6a65afceeb6324c138f83ecc4261a0eada69
ripemd-160 a7f88d3565bb62e68ddc81ceb459a6ddc1c7f0c7

66791985 as geometric shapes

Circle

Radius = n
Diameter 133583970
Circumference 419666418.78936
Area 1.4015176574391E+16

Sphere

Radius = n
Volume 1.2481352847055E+24
Surface area 5.6060706297565E+16
Circumference 419666418.78936

Square

Length = n
Perimeter 267167940
Area 4461169260240225
Diagonal 94458131.04482

Cube

Length = n
Surface area 26767015561441350
Volume 2.9797035031243E+23
Space diagonal 115687111.55838

Equilateral Triangle

Length = n
Perimeter 200375955
Area 1.9317429549751E+15
Altitude 57843555.779189

Triangular Pyramid

Length = n
Surface area 1.9317429549751E+15
Volume 3.5116142549741E+22
Height 31486043.681607