66778881 (number)

66778881 is an odd 8-digits composite number following 66778880 and preceding 66778882. In scientific notation, it is written as 6.6778881 × 10^7. The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors. There are 41010624 positive integers (up to 66778881) that are relatively prime to 66778881.

Interesting facts

Basic properties

Name

Name sixty-six million seven hundred seventy-eight thousand eight hundred eighty-one

Notation

Scientific notation 6.6778881 × 10^7
Engineering notation 6.6778881 × 10^6

Prime Factorization of 66778881

Prime Factorization 3 × 13 × 587 × 2917

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 66778881
Product of the distinct prime numbers

The prime factorization of 66778881 is 3 × 13 × 587 × 2917. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 3, 57, 20, 419, 799, 3628, 1013, 36469, 91313, 408406, 541100, 8703719, 5529535, 99407282, 31463259, 798084, 338406409, 1664874231, 9489578435

Basic calculations (n = 66778881)

Multiplication

n×y
n×2 133557762
n×3 200336643
n×4 267115524
n×5 333894405

Division

n÷y
n÷2 33389440.5
n÷3 22259627
n÷3 16694720.25
n÷5 13355776.2

Exponentiation

ny
n2 4459418947612161
n3 2.9779500723174E+23
n4 1.9886417350322E+31
n5 1.3279926977535E+39

Nth Root

y√n
2√n 8171.834616535
3√n 405.70750892578
4√n 90.398200294779
5√n 36.722126935875

Divisors of 66778881

1, 3, 13, 39, 587, 1761, 2917, 7631, 8751, 22893, 37921, 113763, 1712279, 5136837, 22259627, 66778881

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 -66778880
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 66778881 can be divided by 16 positive divisors. The sum of these divisors (counting 66778881) is 1, the average is 0.0625.

Base conversion 66778881

Base System Value
2 Binary 11111110101111011100000001
3 Ternary 11122122201101220
4 Quaternary 3332233130001
5 Quinary 114043411011
6 Senary 10343145253
8 Octal 376573401
10 Decimal 66778881
12 Duodecimal 1a445229
16 Hexadecimal 3faf701
20 Vigesimal 10h7741
36 Base36 13rawx

Cryptographic Hash Functions

md5 789998891a1d39b1bade4cfb3cfe2fb1
sha1 a41da33dbc0b588c232014116f46646a4132abc0
sha256 ceebdee64e02bddfb8e2c548cf3a7bbddcc62260e8ff8c4ddb7897f209ff6502
sha512 7eaa2208d3ff6990209654a85ea5fc498443eddc35aee68d444ae3cb3205e309070f86891228bc21927245b4f8f2a2b17f00ac96574ec58f34cec8d880250b07
ripemd-160 d847c3b321b56afe5d57164f37bc130a1d246658

66778881 as geometric shapes

Circle

Radius = n
Diameter 133557762
Circumference 419584083.92909
Area 1.4009677805097E+16

Sphere

Radius = n
Volume 1.2474008093266E+24
Surface area 5.603871122039E+16
Circumference 419584083.92909

Square

Length = n
Perimeter 267115524
Area 4459418947612161
Diagonal 94439599.190299

Cube

Length = n
Surface area 26756513685672966
Volume 2.9779500723174E+23
Space diagonal 115664414.7646

Equilateral Triangle

Length = n
Perimeter 200336643
Area 1.9309850473749E+15
Altitude 57832207.382298

Triangular Pyramid

Length = n
Surface area 1.9309850473749E+15
Volume 3.509547816951E+22
Height 31479866.396766