66409920 (number)

66409920 is an even 8-digits composite number following 66409919 and preceding 66409921. In scientific notation, it is written as 6.6409920 × 10^7. The sum of its digits is 36. It has a total of 9 prime factors and 56 positive divisors. There are 17708544 positive integers (up to 66409920) that are relatively prime to 66409920.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.6409920 × 10^7
Engineering notation 6.6409920 × 10^6

Prime Factorization of 66409920

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 9 × 5 × 23059

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 2075310
Product of the distinct prime numbers

The prime factorization of 66409920 is 2 × 2 × 2 × 2 × 2 × 2 × 9 × 5 × 23059. Since it has a total of 9 prime factors.

Most popular turbo-numbers

4, 5, 90, 39, 958, 887, 5307, 2692, 34741, 211, 524600, 512687, 7554911, 3716151, 74384601, 26857495, 726809949, 833195280, 6466377535, 4284514027

Basic calculations (n = 66409920)

Multiplication

n×y
n×2 132819840
n×3 199229760
n×4 265639680
n×5 332049600

Division

n÷y
n÷2 33204960
n÷3 22136640
n÷3 16602480
n÷5 13281984

Exponentiation

ny
n2 4410277474406400
n3 2.9288617425313E+23
n4 1.9450547401256E+31
n5 1.2917092968737E+39

Nth Root

y√n
2√n 8149.2281843129
3√n 404.95893502246
4√n 90.273075633396
5√n 36.681458161225

Divisors of 66409920

1, 2, 4, 5, 8, 9, 10, 16, 18, 20, 32, 36, 40, 45, 64, 72, 80, 90, 144, 160, 180, 288, 320, 360, 576, 720, 1440, 2880, 23059, 46118, 92236, 115295, 184472, 207531, 230590, 368944, 415062, 461180, 737888, 830124, 922360, 1037655, 1475776, 1660248, 1844720, 2075310, 3320496, 3689440, 4150620, 6640992, 7378880, 8301240, 13281984, 16602480, 33204960, 66409920

56 divisors

τ Total Divisors 56
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -66409919
Sum of the proper positive divisors of n
A Arithmetic Mean 0.017857142857143
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 56
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 66409920 can be divided by 56 positive divisors. The sum of these divisors (counting 66409920) is 1, the average is 0.017857142857143.

Base conversion 66409920

Base System Value
2 Binary 11111101010101010111000000
3 Ternary 11121221222021200
4 Quaternary 3331111113000
5 Quinary 114000104140
6 Senary 10331221200
8 Octal 375252700
10 Decimal 66409920
12 Duodecimal 1a2a7800
16 Hexadecimal 3f555c0
20 Vigesimal 10f14g0
36 Base36 13je80

Cryptographic Hash Functions

md5 7e4fdb7479c68cf9ae63191b9fef348b
sha1 0ea7b0b253d68f6ed05023e20a77407513cb7740
sha256 6cbe643057f06c951842746834aabce7e34a81ff38ce8dca204eea6764abae98
sha512 74f7a1f26a2a7e1a593620380fdb67f94ace400635bdc693c2eed82bc567dceba457a684a1b944cfe982a7b497332538118c6b8f061e7c8b4ba25a859f5308ba
ripemd-160 fbb65f6fff57f7b51a18415777080d6de35a1330

66409920 as geometric shapes

Circle

Radius = n
Diameter 132819840
Circumference 417265833.59497
Area 1.3855295313888E+16

Sphere

Radius = n
Volume 1.2268387378289E+24
Surface area 5.5421181255551E+16
Circumference 417265833.59497

Square

Length = n
Perimeter 265639680
Area 4410277474406400
Diagonal 93917809.540112

Cube

Length = n
Surface area 26461664846438400
Volume 2.9288617425313E+23
Space diagonal 115025355.56658

Equilateral Triangle

Length = n
Perimeter 199229760
Area 1.9097061652871E+15
Altitude 57512677.783292

Triangular Pyramid

Length = n
Surface area 1.9097061652871E+15
Volume 3.4516966655029E+22
Height 31305936.513371