66408979 (number)

66408979 is an odd 8-digits composite number following 66408978 and preceding 66408980. In scientific notation, it is written as 6.6408979 × 10^7. The sum of its digits is 49. It has a total of 4 prime factors and 16 positive divisors. There are 51422112 positive integers (up to 66408979) that are relatively prime to 66408979.

Interesting facts

Basic properties

Name

Name sixty-six million four hundred eight thousand nine hundred seventy-nine

Notation

Scientific notation 6.6408979 × 10^7
Engineering notation 6.6408979 × 10^6

Prime Factorization of 66408979

Prime Factorization 7 × 13 × 47 × 15527

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 66408979
Product of the distinct prime numbers

The prime factorization of 66408979 is 7 × 13 × 47 × 15527. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 1, 83, 61, 725, 314, 3105, 3736, 84379, 46778, 595506, 970012, 2432746, 9034186, 32725211, 17810875, 248356462, 318220365, 2133880668, 3555648428

Basic calculations (n = 66408979)

Multiplication

n×y
n×2 132817958
n×3 199226937
n×4 265635916
n×5 332044895

Division

n÷y
n÷2 33204489.5
n÷3 22136326.333333
n÷3 16602244.75
n÷5 13281795.8

Exponentiation

ny
n2 4410152491822441
n3 2.9287372421623E+23
n4 1.9449445001128E+31
n5 1.2916177846415E+39

Nth Root

y√n
2√n 8149.1704485794
3√n 404.95702231545
4√n 90.272755849035
5√n 36.681354208539

Divisors of 66408979

1, 7, 13, 47, 91, 329, 611, 4277, 15527, 108689, 201851, 729769, 1412957, 5108383, 9486997, 66408979

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -66408978
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 66408979 can be divided by 16 positive divisors. The sum of these divisors (counting 66408979) is 1, the average is 0.0625.

Base conversion 66408979

Base System Value
2 Binary 11111101010101001000010011
3 Ternary 11121221220222211
4 Quaternary 3331111020103
5 Quinary 114000041404
6 Senary 10331212551
8 Octal 375251023
10 Decimal 66408979
12 Duodecimal 1a2a7157
16 Hexadecimal 3f55213
20 Vigesimal 10f128j
36 Base36 13jdhv

Cryptographic Hash Functions

md5 7c15a514fd45fe240cca8502e1747ed0
sha1 48f78dd2c997015ae33bd8b01e80e1a2d0ee2a9d
sha256 c2166ad2d65585d7f0d875296603410c9ed4d413750cf4496093f451e4023514
sha512 b6bdef148ac9c160b0fd870f56af67a3f03e225d8f3701e3a3f8f69eba48f059af8967b88a33fade45548431b409d79d9a27ca56db33b80f791043bef3c80ce8
ripemd-160 42d5f8cfdcc236f9295ca870eb5958026cc68bc8

66408979 as geometric shapes

Circle

Radius = n
Diameter 132817958
Circumference 417259921.1176
Area 1.385490266952E+16

Sphere

Radius = n
Volume 1.2267865872363E+24
Surface area 5.541961067808E+16
Circumference 417259921.1176

Square

Length = n
Perimeter 265635916
Area 4410152491822441
Diagonal 93916478.76515

Cube

Length = n
Surface area 26460914950934646
Volume 2.9287372421623E+23
Space diagonal 115023725.70677

Equilateral Triangle

Length = n
Perimeter 199226937
Area 1.9096520462407E+15
Altitude 57511862.853387

Triangular Pyramid

Length = n
Surface area 1.9096520462407E+15
Volume 3.451549940411E+22
Height 31305492.921717