66811440 (number)

66811440 is an even 8-digits composite number following 66811439 and preceding 66811441. In scientific notation, it is written as 6.6811440 × 10^7. The sum of its digits is 30. It has a total of 7 prime factors and 40 positive divisors. There are 17434368 positive integers (up to 66811440) that are relatively prime to 66811440.

Interesting facts

Basic properties

Name

Name sixty-six million eight hundred eleven thousand four hundred forty

Notation

Scientific notation 6.6811440 × 10^7
Engineering notation 6.6811440 × 10^6

Prime Factorization of 66811440

Prime Factorization 2 × 2 × 2 × 2 × 15 × 47 × 5923

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 8351430
Product of the distinct prime numbers

The prime factorization of 66811440 is 2 × 2 × 2 × 2 × 15 × 47 × 5923. Since it has a total of 7 prime factors.

Most popular turbo-numbers

9, 6, 78, 83, 161, 208, 7233, 9179, 98897, 37400, 593617, 97469, 4860945, 7948157, 99593790, 13562108, 56791106, 19575018, 5282133519, 6903770266

Basic calculations (n = 66811440)

Multiplication

n×y
n×2 133622880
n×3 200434320
n×4 267245760
n×5 334057200

Division

n÷y
n÷2 33405720
n÷3 22270480
n÷3 16702860
n÷5 13362288

Exponentiation

ny
n2 4463768514873600
n3 2.9823080230537E+23
n4 1.9925229354377E+31
n5 1.3312332654962E+39

Nth Root

y√n
2√n 8173.8265212812
3√n 405.77343438181
4√n 90.409217015088
5√n 36.725707117518

Divisors of 66811440

1, 2, 4, 8, 15, 16, 30, 47, 60, 94, 120, 188, 240, 376, 705, 752, 1410, 2820, 5640, 5923, 11280, 11846, 23692, 47384, 88845, 94768, 177690, 278381, 355380, 556762, 710760, 1113524, 1421520, 2227048, 4175715, 4454096, 8351430, 16702860, 33405720, 66811440

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -66811439
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 66811440 can be divided by 40 positive divisors. The sum of these divisors (counting 66811440) is 1, the average is 0.025.

Base conversion 66811440

Base System Value
2 Binary 11111110110111011000110000
3 Ternary 11122201101001210
4 Quaternary 3332313120300
5 Quinary 114100431230
6 Senary 10344000120
8 Octal 376673060
10 Decimal 66811440
12 Duodecimal 1a460040
16 Hexadecimal 3fb7630
20 Vigesimal 10hb8c0
36 Base36 13s01c

Cryptographic Hash Functions

md5 485a4c60007809e326cc7f619cb1bfaf
sha1 419acc5b7508fca903873ea149e8a64af17b328f
sha256 ff6576e09256b926cfb849d39834700ebef285ca55978a0c88048d750a58f052
sha512 85c4a94b02583404492503490c7547e5a892c6b77398a4f763199cf684f90246dc1372d69dfb6b5c2fc76738a0c5c0ecf50983a844bd3cf04f69ef576b71e28f
ripemd-160 d6fe29966dce857f4bf86fa5475eff60a47b83ae

66811440 as geometric shapes

Circle

Radius = n
Diameter 133622880
Circumference 419788658.15951
Area 1.4023342373652E+16

Sphere

Radius = n
Volume 1.2492262634623E+24
Surface area 5.6093369494609E+16
Circumference 419788658.15951

Square

Length = n
Perimeter 267245760
Area 4463768514873600
Diagonal 94485644.569676

Cube

Length = n
Surface area 26782611089241600
Volume 2.9823080230537E+23
Space diagonal 115720808.60684

Equilateral Triangle

Length = n
Perimeter 200434320
Area 1.9328684652468E+15
Altitude 57860404.30342

Triangular Pyramid

Length = n
Surface area 1.9328684652468E+15
Volume 3.5146837111472E+22
Height 31495214.856559