66909428 (number)

66909428 is an even 8-digits composite number following 66909427 and preceding 66909429. In scientific notation, it is written as 6.6909428 × 10^7. The sum of its digits is 44. It has a total of 3 prime factors and 6 positive divisors. There are 33454712 positive integers (up to 66909428) that are relatively prime to 66909428.

Interesting facts

Basic properties

Name

Name sixty-six million nine hundred nine thousand four hundred twenty-eight

Notation

Scientific notation 6.6909428 × 10^7
Engineering notation 6.6909428 × 10^6

Prime Factorization of 66909428

Prime Factorization 2 × 2 × 16727357

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 33454714
Product of the distinct prime numbers

The prime factorization of 66909428 is 2 × 2 × 16727357. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 66909428)

Multiplication

n×y
n×2 133818856
n×3 200728284
n×4 267637712
n×5 334547140

Division

n÷y
n÷2 33454714
n÷3 22303142.666667
n÷3 16727357
n÷5 13381885.6

Exponentiation

ny
n2 4476871555287184
n3 2.9954491499374E+23
n4 2.0042378922539E+31
n5 1.3410241094664E+39

Nth Root

y√n
2√n 8179.8183353911
3√n 405.97171132786
4√n 90.44234813068
5√n 36.736473445158

Divisors of 66909428

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -66909427
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 66909428 can be divided by 6 positive divisors. The sum of these divisors (counting 66909428) is 1, the average is 0.16666666666667.

Base conversion 66909428

Base System Value
2 Binary 11111111001111010011110100
3 Ternary 11122220100110222
4 Quaternary 3333033103310
5 Quinary 114112100203
6 Senary 10350033512
8 Octal 377172364
10 Decimal 66909428
12 Duodecimal 1a4a8898
16 Hexadecimal 3fcf4f4
20 Vigesimal 10i3db8
36 Base36 13u3n8

Cryptographic Hash Functions

md5 9d0ce74f510ffc716650e30fd1b1652f
sha1 339216c02faeaf5cc81e4f57b553c2a3a288c8b5
sha256 ddaaeb26b1d7ccd88effbac284cf19c3935f47e8a54fcc2f6eab7f2bf2489976
sha512 a560a1c3d18a3dd76354b67cc4aeef317dc7fdda00621e93e7eb153a83e2b2b1f711fa459de64020cd9f465255aa1a692c18c88c741877061b464653863b5414
ripemd-160 37ab3858d4a4d0f10e47a193cfa5511efa2fa7e1

66909428 as geometric shapes

Circle

Radius = n
Diameter 133818856
Circumference 420404334.92139
Area 1.4064506789155E+16

Sphere

Radius = n
Volume 1.2547308058193E+24
Surface area 5.6258027156621E+16
Circumference 420404334.92139

Square

Length = n
Perimeter 267637712
Area 4476871555287184
Diagonal 94624220.528226

Cube

Length = n
Surface area 26861229331723104
Volume 2.9954491499374E+23
Space diagonal 115890528.80137

Equilateral Triangle

Length = n
Perimeter 200728284
Area 1.9385422481793E+15
Altitude 57945264.400686

Triangular Pyramid

Length = n
Surface area 1.9385422481793E+15
Volume 3.5301706777003E+22
Height 31541406.842742