66888978 (number)

66888978 is an even 8-digits composite number following 66888977 and preceding 66888979. In scientific notation, it is written as 6.6888978 × 10^7. The sum of its digits is 60. It has a total of 4 prime factors and 16 positive divisors. There are 20581200 positive integers (up to 66888978) that are relatively prime to 66888978.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.6888978 × 10^7
Engineering notation 6.6888978 × 10^6

Prime Factorization of 66888978

Prime Factorization 2 × 3 × 13 × 857551

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 66888978
Product of the distinct prime numbers

The prime factorization of 66888978 is 2 × 3 × 13 × 857551. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 66888978)

Multiplication

n×y
n×2 133777956
n×3 200666934
n×4 267555912
n×5 334444890

Division

n÷y
n÷2 33444489
n÷3 22296326
n÷3 16722244.5
n÷5 13377795.6

Exponentiation

ny
n2 4474135377884484
n3 2.9927034286034E+23
n4 2.0017887379638E+31
n5 1.3389760285431E+39

Nth Root

y√n
2√n 8178.5682121017
3√n 405.93034711507
4√n 90.435436705429
5√n 36.734227565118

Divisors of 66888978

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 -66888977
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 66888978 can be divided by 16 positive divisors. The sum of these divisors (counting 66888978) is 1, the average is 0.0625.

Base conversion 66888978

Base System Value
2 Binary 11111111001010010100010010
3 Ternary 11122212022102120
4 Quaternary 3333022110102
5 Quinary 114110421403
6 Senary 10345355110
8 Octal 377122422
10 Decimal 66888978
12 Duodecimal 1a498a96
16 Hexadecimal 3fca512
20 Vigesimal 10i128i
36 Base36 13tnv6

Cryptographic Hash Functions

md5 172bebf3211702aaf91476c894f9e803
sha1 174a8b62f9e0d455d0b98a49d36e0b2c4e5bc4ab
sha256 3fe23759657e9e2e0b6c13d46e19789d97ddad2f4097ead82af42505909fca7d
sha512 ce3e2a08da627ca0595f4964ab6b5911e20a2b1c128e7f1fdce40bf17a482ea6580534f64608ad8190d23ae8f034618032fa43bc2c6a37cb0c38dd3bcb5c1416
ripemd-160 47f69e1527fecd56828819b1bdde4d0dc2f3daf7

66888978 as geometric shapes

Circle

Radius = n
Diameter 133777956
Circumference 420275843.78186
Area 1.4055910834328E+16

Sphere

Radius = n
Volume 1.2535806807564E+24
Surface area 5.6223643337312E+16
Circumference 420275843.78186

Square

Length = n
Perimeter 267555912
Area 4474135377884484
Diagonal 94595299.860876

Cube

Length = n
Surface area 26844812267306904
Volume 2.9927034286034E+23
Space diagonal 115855108.36236

Equilateral Triangle

Length = n
Perimeter 200666934
Area 1.9373574486093E+15
Altitude 57927554.181178

Triangular Pyramid

Length = n
Surface area 1.9373574486093E+15
Volume 3.5269348140761E+22
Height 31531766.620292