66778820 (number)

66778820 is an even 8-digits composite number following 66778819 and preceding 66778821. In scientific notation, it is written as 6.6778820 × 10^7. The sum of its digits is 44. It has a total of 5 prime factors and 24 positive divisors. There are 26531072 positive integers (up to 66778820) that are relatively prime to 66778820.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.6778820 × 10^7
Engineering notation 6.6778820 × 10^6

Prime Factorization of 66778820

Prime Factorization 2 × 2 × 5 × 149 × 22409

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 33389410
Product of the distinct prime numbers

The prime factorization of 66778820 is 2 × 2 × 5 × 149 × 22409. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 2, 72, 3, 326, 644, 8171, 6983, 78766, 69193, 919144, 839698, 2363950, 567636, 53835364, 32141868, 753275642, 641358618, 7303225237, 7690063097

Basic calculations (n = 66778820)

Multiplication

n×y
n×2 133557640
n×3 200336460
n×4 267115280
n×5 333894100

Division

n÷y
n÷2 33389410
n÷3 22259606.666667
n÷3 16694705
n÷5 13355764

Exponentiation

ny
n2 4459410800592400
n3 2.9779419115882E+23
n4 1.988634468844E+31
n5 1.3279866324073E+39

Nth Root

y√n
2√n 8171.8308842021
3√n 405.70738539289
4√n 90.398179650932
5√n 36.722120227016

Divisors of 66778820

1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 22409, 44818, 89636, 112045, 224090, 448180, 3338941, 6677882, 13355764, 16694705, 33389410, 66778820

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -66778819
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 66778820 can be divided by 24 positive divisors. The sum of these divisors (counting 66778820) is 1, the average is 0.041666666666667.

Base conversion 66778820

Base System Value
2 Binary 11111110101111011011000100
3 Ternary 11122122201022122
4 Quaternary 3332233123010
5 Quinary 114043410240
6 Senary 10343145112
8 Octal 376573304
10 Decimal 66778820
12 Duodecimal 1a445198
16 Hexadecimal 3faf6c4
20 Vigesimal 10h7710
36 Base36 13rav8

Cryptographic Hash Functions

md5 bb61ed1f6f266087c562c6536d90cbf1
sha1 ef15c2e2dfe4eddeb2e4f037f836ec9a12f43c00
sha256 a3d5205c70c0aeaf4bbe9e795443653e4a11e98bc1806d6531d02640efbb509d
sha512 88453dcf3ae7217196177f9fc71d3d379c38401fa54ed2f5865c3c2a86703a5763acfc0b1160285fc45e2168110f7a95a8d1097272ce77961955efd054d19f76
ripemd-160 9062f3c813f7dac28cf28ad528d0f2b18eaaa52b

66778820 as geometric shapes

Circle

Radius = n
Diameter 133557640
Circumference 419583700.65479
Area 1.400965221048E+16

Sphere

Radius = n
Volume 1.2473973909683E+24
Surface area 5.603860884192E+16
Circumference 419583700.65479

Square

Length = n
Perimeter 267115280
Area 4459410800592400
Diagonal 94439512.923272

Cube

Length = n
Surface area 26756464803554400
Volume 2.9779419115882E+23
Space diagonal 115664309.1095

Equilateral Triangle

Length = n
Perimeter 200336460
Area 1.9309815196119E+15
Altitude 57832154.554748

Triangular Pyramid

Length = n
Surface area 1.9309815196119E+15
Volume 3.5095381994394E+22
Height 31479837.641091