66649968 (number)

66649968 is an even 8-digits composite number following 66649967 and preceding 66649969. In scientific notation, it is written as 6.6649968 × 10^7. The sum of its digits is 54. It has a total of 8 prime factors and 80 positive divisors. There are 17308800 positive integers (up to 66649968) that are relatively prime to 66649968.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.6649968 × 10^7
Engineering notation 6.6649968 × 10^6

Prime Factorization of 66649968

Prime Factorization 2 × 2 × 2 × 2 × 21 × 3 × 11 × 6011

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 8331246
Product of the distinct prime numbers

The prime factorization of 66649968 is 2 × 2 × 2 × 2 × 21 × 3 × 11 × 6011. Since it has a total of 8 prime factors.

Most popular turbo-numbers

3, 3, 57, 94, 135, 745, 4230, 2572, 1193, 43854, 395490, 867155, 9898449, 5029519, 59172405, 12849591, 125884816, 375887414, 1912713454, 9286175565

Basic calculations (n = 66649968)

Multiplication

n×y
n×2 133299936
n×3 199949904
n×4 266599872
n×5 333249840

Division

n÷y
n÷2 33324984
n÷3 22216656
n÷3 16662492
n÷5 13329993.6

Exponentiation

ny
n2 4442218234401024
n3 2.9607370317184E+23
n4 1.9733302842045E+31
n5 1.3152240029566E+39

Nth Root

y√n
2√n 8163.9431649173
3√n 405.44627532327
4√n 90.354541473671
5√n 36.70793796122

Divisors of 66649968

1, 2, 3, 4, 6, 8, 11, 12, 16, 21, 22, 24, 33, 42, 44, 48, 63, 66, 84, 88, 126, 132, 168, 176, 231, 252, 264, 336, 462, 504, 528, 693, 924, 1008, 1386, 1848, 2772, 3696, 5544, 6011, 11088, 12022, 18033, 24044, 36066, 48088, 66121, 72132, 96176, 126231, 132242, 144264, 198363, 252462, 264484, 288528, 378693, 396726, 504924, 528968, 757386, 793452, 1009848, 1057936, 1388541, 1514772, 1586904, 2019696, 2777082, 3029544, 3173808, 4165623, 5554164, 6059088, 8331246, 11108328, 16662492, 22216656, 33324984, 66649968

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -66649967
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 66649968 can be divided by 80 positive divisors. The sum of these divisors (counting 66649968) is 1, the average is 0.0125.

Base conversion 66649968

Base System Value
2 Binary 11111110001111111101110000
3 Ternary 11122102011120100
4 Quaternary 3332033331300
5 Quinary 114030244333
6 Senary 10340312400
8 Octal 376177560
10 Decimal 66649968
12 Duodecimal 1a3a2700
16 Hexadecimal 3f8ff70
20 Vigesimal 10gb4i8
36 Base36 13ojg0

Cryptographic Hash Functions

md5 d4afc721e2a06f72367b9287d9dcf616
sha1 bba2be61f0df0bdc5b171e774b5e7872a891d2e2
sha256 2ab8d18951fc5369056503e85e6d1350d7de0280ae336cb26c2b8ef18a940dd2
sha512 401d6747779a8c9586b7a7c6a7c6cea3dc05c1d4fb69203b10d5060272caee190f3bf0354b1dbe80e535c838909cda324d5a407c262554991a127ee3227ade25
ripemd-160 4af05a93c8059e1a4812a04f951b907e2774c7a3

66649968 as geometric shapes

Circle

Radius = n
Diameter 133299936
Circumference 418774099.66159
Area 1.3955640170837E+16

Sphere

Radius = n
Volume 1.2401906277411E+24
Surface area 5.5822560683348E+16
Circumference 418774099.66159

Square

Length = n
Perimeter 266599872
Area 4442218234401024
Diagonal 94257288.677333

Cube

Length = n
Surface area 26653309406406144
Volume 2.9607370317184E+23
Space diagonal 115441130.89884

Equilateral Triangle

Length = n
Perimeter 199949904
Area 1.9235369200729E+15
Altitude 57720565.44942

Triangular Pyramid

Length = n
Surface area 1.9235369200729E+15
Volume 3.4892620540637E+22
Height 31419096.225778