66908643 (number)

66908643 is an odd 8-digits composite number following 66908642 and preceding 66908644. In scientific notation, it is written as 6.6908643 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 43524000 positive integers (up to 66908643) that are relatively prime to 66908643.

Interesting facts

Basic properties

Name

Name sixty-six million nine hundred eight thousand six hundred forty-three

Notation

Scientific notation 6.6908643 × 10^7
Engineering notation 6.6908643 × 10^6

Prime Factorization of 66908643

Prime Factorization 3 × 61 × 131 × 2791

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 66908643
Product of the distinct prime numbers

The prime factorization of 66908643 is 3 × 61 × 131 × 2791. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 10, 12, 18, 258, 3, 2060, 6073, 10718, 51318, 823955, 13826, 2948403, 5733375, 84941461, 70978478, 83157662, 567321254, 4860469233, 5702247287

Basic calculations (n = 66908643)

Multiplication

n×y
n×2 133817286
n×3 200725929
n×4 267634572
n×5 334543215

Division

n÷y
n÷2 33454321.5
n÷3 22302881
n÷3 16727160.75
n÷5 13381728.6

Exponentiation

ny
n2 4476766508101449
n3 2.9953437208492E+23
n4 2.0041438368059E+31
n5 1.340945444975E+39

Nth Root

y√n
2√n 8179.7703512996
3√n 405.97012366402
4√n 90.442082855823
5√n 36.73638724425

Divisors of 66908643

1, 3, 61, 131, 183, 393, 2791, 7991, 8373, 23973, 170251, 365621, 510753, 1096863, 22302881, 66908643

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 -66908642
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 66908643 can be divided by 16 positive divisors. The sum of these divisors (counting 66908643) is 1, the average is 0.0625.

Base conversion 66908643

Base System Value
2 Binary 11111111001111000111100011
3 Ternary 11122220022101220
4 Quaternary 3333033013203
5 Quinary 114112034033
6 Senary 10350030123
8 Octal 377170743
10 Decimal 66908643
12 Duodecimal 1a4a8343
16 Hexadecimal 3fcf1e3
20 Vigesimal 10i3bc3
36 Base36 13u31f

Cryptographic Hash Functions

md5 cef51b37c4323a073e852d665ca45713
sha1 439c65c3b42e9c81806da717339341fe0aa3b7a7
sha256 3bc6cfa0e142aad2dc5a0cd7f1df947448097ca12e785004d13c7b72d69e9804
sha512 fe610bc8f5af79400a59b77cb71b4dfd305e4f89e907b4cd615a067cf6bed66c0f57ea842457e4557b439179bb1289b077e03dc1ec7f8b6179ec32cb7aacea10
ripemd-160 6c7e5de3da2ac7371441215f724bb13ff1bbfe91

66908643 as geometric shapes

Circle

Radius = n
Diameter 133817286
Circumference 420399402.62092
Area 1.4064176773688E+16

Sphere

Radius = n
Volume 1.2546866437861E+24
Surface area 5.6256707094753E+16
Circumference 420399402.62092

Square

Length = n
Perimeter 267634572
Area 4476766508101449
Diagonal 94623110.37058

Cube

Length = n
Surface area 26860599048608694
Volume 2.9953437208492E+23
Space diagonal 115889169.14149

Equilateral Triangle

Length = n
Perimeter 200725929
Area 1.9384967614136E+15
Altitude 57944584.570744

Triangular Pyramid

Length = n
Surface area 1.9384967614136E+15
Volume 3.5300464283283E+22
Height 31541036.790193