66996978 (number)

66996978 is an even 8-digits composite number following 66996977 and preceding 66996979. In scientific notation, it is written as 6.6996978 × 10^7. The sum of its digits is 60. It has a total of 3 prime factors and 8 positive divisors. There are 21953696 positive integers (up to 66996978) that are relatively prime to 66996978.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.6996978 × 10^7
Engineering notation 6.6996978 × 10^6

Prime Factorization of 66996978

Prime Factorization 2 × 177 × 189257

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 66996978
Product of the distinct prime numbers

The prime factorization of 66996978 is 2 × 177 × 189257. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 66996978)

Multiplication

n×y
n×2 133993956
n×3 200990934
n×4 267987912
n×5 334984890

Division

n÷y
n÷2 33498489
n÷3 22332326
n÷3 16749244.5
n÷5 13399395.6

Exponentiation

ny
n2 4488595061132484
n3 3.007223045616E+23
n4 2.0147485622823E+31
n5 1.3498206510276E+39

Nth Root

y√n
2√n 8185.1681717604
3√n 406.14870348591
4√n 90.471919244373
5√n 36.746082244054

Divisors of 66996978

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 -66996977
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 66996978 can be divided by 8 positive divisors. The sum of these divisors (counting 66996978) is 1, the average is 0.125.

Base conversion 66996978

Base System Value
2 Binary 11111111100100101011110010
3 Ternary 11200001210120120
4 Quaternary 3333210223302
5 Quinary 114122400403
6 Senary 10351551110
8 Octal 377445362
10 Decimal 66996978
12 Duodecimal 1a52b496
16 Hexadecimal 3fe4af2
20 Vigesimal 10iec8i
36 Base36 13vz76

Cryptographic Hash Functions

md5 749f78f2a52a65a12d3286432464b787
sha1 a366bc8d02167a357854f34ceab8d99af5b13074
sha256 85133bac0be2269ff7a7d458013da9c5467a3ea2bf1b4149586a769ac6cce992
sha512 c835e22d128dcf3bca6cdad44e37cb9f4e5145b313b72fcf648fba6b33b7dd9e5a6cf782d67bbafd2563232db7356549eb777f94c1d31f7a7c9b8b8da9f931b7
ripemd-160 95d84bb368c60864bbf99c75ea581afea73eab02

66996978 as geometric shapes

Circle

Radius = n
Diameter 133993956
Circumference 420954427.79503
Area 1.4101337268993E+16

Sphere

Radius = n
Volume 1.2596626437084E+24
Surface area 5.6405349075973E+16
Circumference 420954427.79503

Square

Length = n
Perimeter 267987912
Area 4488595061132484
Diagonal 94748034.925612

Cube

Length = n
Surface area 26931570366794904
Volume 3.007223045616E+23
Space diagonal 116042169.84957

Equilateral Triangle

Length = n
Perimeter 200990934
Area 1.943618675121E+15
Altitude 58021084.924787

Triangular Pyramid

Length = n
Surface area 1.943618675121E+15
Volume 3.5440463468259E+22
Height 31582678.308537