66778909 (number)

66778909 is an odd 8-digits composite number following 66778908 and preceding 66778910. In scientific notation, it is written as 6.6778909 × 10^7. The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors. There are 64275456 positive integers (up to 66778909) that are relatively prime to 66778909.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.6778909 × 10^7
Engineering notation 6.6778909 × 10^6

Prime Factorization of 66778909

Prime Factorization 29 × 337 × 6833

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 66778909
Product of the distinct prime numbers

The prime factorization of 66778909 is 29 × 337 × 6833. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 66778909)

Multiplication

n×y
n×2 133557818
n×3 200336727
n×4 267115636
n×5 333894545

Division

n÷y
n÷2 33389454.5
n÷3 22259636.333333
n÷3 16694727.25
n÷5 13355781.8

Exponentiation

ny
n2 4459422687230281
n3 2.9779538182309E+23
n4 1.9886450703384E+31
n5 1.3279954818543E+39

Nth Root

y√n
2√n 8171.8363297364
3√n 405.70756562938
4√n 90.398209770639
5√n 36.72213001535

Divisors of 66778909

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 -66778908
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 66778909 can be divided by 8 positive divisors. The sum of these divisors (counting 66778909) is 1, the average is 0.125.

Base conversion 66778909

Base System Value
2 Binary 11111110101111011100011101
3 Ternary 11122122201102221
4 Quaternary 3332233130131
5 Quinary 114043411114
6 Senary 10343145341
8 Octal 376573435
10 Decimal 66778909
12 Duodecimal 1a445251
16 Hexadecimal 3faf71d
20 Vigesimal 10h7759
36 Base36 13raxp

Cryptographic Hash Functions

md5 61de8b347f0141c926ff2b2d964c7656
sha1 8be26dc6049ab60095540e8e559c158a3925a72f
sha256 bfe0cfd68d627455bd5e9dea19db292c1cb51287f5ade2191d0045033b24aeaf
sha512 5b5cf13956bc8431a84f62ab84c2ddaea38c709e5fe2229a92058df62ddcc7267726a507f92598ee4abdbdc2941712afa8c97e539272216b72079e7665cf3332
ripemd-160 b15030d8269c1ace0b2a1360c5bcd09d0d15b1e1

66778909 as geometric shapes

Circle

Radius = n
Diameter 133557818
Circumference 419584259.85828
Area 1.4009689553454E+16

Sphere

Radius = n
Volume 1.2474023784112E+24
Surface area 5.6038758213817E+16
Circumference 419584259.85828

Square

Length = n
Perimeter 267115636
Area 4459422687230281
Diagonal 94439638.788279

Cube

Length = n
Surface area 26756536123381686
Volume 2.9779538182309E+23
Space diagonal 115664463.26202

Equilateral Triangle

Length = n
Perimeter 200336727
Area 1.930986666677E+15
Altitude 57832231.631009

Triangular Pyramid

Length = n
Surface area 1.930986666677E+15
Volume 3.5095522315524E+22
Height 31479879.596093