66909538 (number)

66909538 is an even 8-digits composite number following 66909537 and preceding 66909539. In scientific notation, it is written as 6.6909538 × 10^7. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 33454768 positive integers (up to 66909538) that are relatively prime to 66909538.

Interesting facts

Basic properties

Name

Name sixty-six million nine hundred nine thousand five hundred thirty-eight

Notation

Scientific notation 6.6909538 × 10^7
Engineering notation 6.6909538 × 10^6

Prime Factorization of 66909538

Prime Factorization 2 × 33454769

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 66909538
Product of the distinct prime numbers

The prime factorization of 66909538 is 2 × 33454769. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 66909538)

Multiplication

n×y
n×2 133819076
n×3 200728614
n×4 267638152
n×5 334547690

Division

n÷y
n÷2 33454769
n÷3 22303179.333333
n÷3 16727384.5
n÷5 13381907.6

Exponentiation

ny
n2 4476886275373444
n3 2.9954639236378E+23
n4 2.0042510722627E+31
n5 1.341035132811E+39

Nth Root

y√n
2√n 8179.825059254
3√n 405.97193380206
4√n 90.442385302766
5√n 36.736485524201

Divisors of 66909538

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -66909537
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 66909538 can be divided by 4 positive divisors. The sum of these divisors (counting 66909538) is 1, the average is 0.25.

Base conversion 66909538

Base System Value
2 Binary 11111111001111010101100010
3 Ternary 11122220100122001
4 Quaternary 3333033111202
5 Quinary 114112101123
6 Senary 10350034214
8 Octal 377172542
10 Decimal 66909538
12 Duodecimal 1a4a896a
16 Hexadecimal 3fcf562
20 Vigesimal 10i3dgi
36 Base36 13u3qa

Cryptographic Hash Functions

md5 5a0933fee4e69f81454a8fcca4887734
sha1 80d918fdaa537d7619492719b116ebe062930ee1
sha256 5754ff78c6df1e65facf506cfdb7334526e0ccff6e15efdffe050ae0272047c1
sha512 b84a225c3180b1d7974ccf9c04de5279c9763cb64ccc66d6d8f064c53d1e288f14003c3bc7785ee3dcf88e6482f6f893d821440095714fc44c44e5de8b8dc95c
ripemd-160 6be860c108e7728a7cde95ca37c43cc7fd1bd47e

66909538 as geometric shapes

Circle

Radius = n
Diameter 133819076
Circumference 420405026.07177
Area 1.406455303367E+16

Sphere

Radius = n
Volume 1.2547369942125E+24
Surface area 5.6258212134681E+16
Circumference 420405026.07177

Square

Length = n
Perimeter 267638152
Area 4476886275373444
Diagonal 94624376.091718

Cube

Length = n
Surface area 26861317652240664
Volume 2.9954639236378E+23
Space diagonal 115890719.32696

Equilateral Triangle

Length = n
Perimeter 200728614
Area 1.9385486221636E+15
Altitude 57945359.66348

Triangular Pyramid

Length = n
Surface area 1.9385486221636E+15
Volume 3.5301880886732E+22
Height 31541458.697239