66986768 (number)

66986768 is an even 8-digits composite number following 66986767 and preceding 66986769. In scientific notation, it is written as 6.6986768 × 10^7. The sum of its digits is 56. It has a total of 5 prime factors and 10 positive divisors. There are 33493376 positive integers (up to 66986768) that are relatively prime to 66986768.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.6986768 × 10^7
Engineering notation 6.6986768 × 10^6

Prime Factorization of 66986768

Prime Factorization 2 × 2 × 2 × 2 × 4186673

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 8373346
Product of the distinct prime numbers

The prime factorization of 66986768 is 2 × 2 × 2 × 2 × 4186673. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 2, 77, 61, 270, 134, 2787, 3314, 47539, 94302, 511317, 375482, 8404359, 8809999, 88365380, 68291971, 588569885, 568272053, 9951102268, 6874024425

Basic calculations (n = 66986768)

Multiplication

n×y
n×2 133973536
n×3 200960304
n×4 267947072
n×5 334933840

Division

n÷y
n÷2 33493384
n÷3 22328922.666667
n÷3 16746692
n÷5 13397353.6

Exponentiation

ny
n2 4487227087085824
n3 3.0058483984593E+23
n4 2.0135206931077E+31
n5 1.348792435324E+39

Nth Root

y√n
2√n 8184.5444589177
3√n 406.12807076956
4√n 90.468472181847
5√n 36.744962192424

Divisors of 66986768

1, 2, 4, 8, 16, 4186673, 8373346, 16746692, 33493384, 66986768

10 divisors

τ Total Divisors 10
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -66986767
Sum of the proper positive divisors of n
A Arithmetic Mean 0.1
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 10
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 66986768 can be divided by 10 positive divisors. The sum of these divisors (counting 66986768) is 1, the average is 0.1.

Base conversion 66986768

Base System Value
2 Binary 11111111100010001100010000
3 Ternary 11200001021120102
4 Quaternary 3333202030100
5 Quinary 114122034033
6 Senary 10351431532
8 Octal 377421420
10 Decimal 66986768
12 Duodecimal 1a5255a8
16 Hexadecimal 3fe2310
20 Vigesimal 10id6i8
36 Base36 13vrbk

Cryptographic Hash Functions

md5 ff7f084f91720fae4f31f7ecada34c6d
sha1 3544aefe2352dbb97f3314f52a3a9b4c31521a19
sha256 e5b3348c8d8fbdb27d9232cb6ead8bcb252f24d5b6a806f0c6f2fd488c92e070
sha512 0dc837c10f7a4090cba04b3f12d6578326b7bf38cdcf8de2e48b25025ffcc19a366e140ecb8d30db43a8eae394ab69314d058a16a5814ee787a274d03161c9ae
ripemd-160 df7b7ee0bfe8d0c65dd4cd33c3739c6aea5b5442

66986768 as geometric shapes

Circle

Radius = n
Diameter 133973536
Circumference 420890276.47305
Area 1.4097039651778E+16

Sphere

Radius = n
Volume 1.2590868328539E+24
Surface area 5.6388158607112E+16
Circumference 420890276.47305

Square

Length = n
Perimeter 267947072
Area 4487227087085824
Diagonal 94733595.80514

Cube

Length = n
Surface area 26923362522514944
Volume 3.0058483984593E+23
Space diagonal 116024485.61083

Equilateral Triangle

Length = n
Perimeter 200960304
Area 1.943026324983E+15
Altitude 58012242.805415

Triangular Pyramid

Length = n
Surface area 1.943026324983E+15
Volume 3.5424263096155E+22
Height 31577865.26838