66409872 (number)

66409872 is an even 8-digits composite number following 66409871 and preceding 66409873. In scientific notation, it is written as 6.6409872 × 10^7. The sum of its digits is 42. It has a total of 6 prime factors and 20 positive divisors. There are 21664896 positive integers (up to 66409872) that are relatively prime to 66409872.

Interesting facts

Basic properties

Name

Name sixty-six million four hundred nine thousand eight hundred seventy-two

Notation

Scientific notation 6.6409872 × 10^7
Engineering notation 6.6409872 × 10^6

Prime Factorization of 66409872

Prime Factorization 2 × 2 × 2 × 2 × 141 × 29437

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 8301234
Product of the distinct prime numbers

The prime factorization of 66409872 is 2 × 2 × 2 × 2 × 141 × 29437. Since it has a total of 6 prime factors.

Most popular turbo-numbers

4, 4, 86, 78, 711, 644, 8419, 5217, 3823, 31821, 102893, 800397, 9625151, 8723562, 69087803, 1179049, 30364739, 186192789, 4172985092, 4721562774

Basic calculations (n = 66409872)

Multiplication

n×y
n×2 132819744
n×3 199229616
n×4 265639488
n×5 332049360

Division

n÷y
n÷2 33204936
n÷3 22136624
n÷3 16602468
n÷5 13281974.4

Exponentiation

ny
n2 4410271099056384
n3 2.9288553917363E+23
n4 1.9450491167172E+31
n5 1.291704628749E+39

Nth Root

y√n
2√n 8149.2252392482
3√n 404.95883745654
4√n 90.273059321418
5√n 36.681452858672

Divisors of 66409872

1, 2, 4, 8, 16, 141, 282, 564, 1128, 2256, 29437, 58874, 117748, 235496, 470992, 4150617, 8301234, 16602468, 33204936, 66409872

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -66409871
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 66409872 can be divided by 20 positive divisors. The sum of these divisors (counting 66409872) is 1, the average is 0.05.

Base conversion 66409872

Base System Value
2 Binary 11111101010101010110010000
3 Ternary 11121221222012220
4 Quaternary 3331111112100
5 Quinary 114000103442
6 Senary 10331221040
8 Octal 375252620
10 Decimal 66409872
12 Duodecimal 1a2a7780
16 Hexadecimal 3f55590
20 Vigesimal 10f14dc
36 Base36 13je6o

Cryptographic Hash Functions

md5 cf1d7ebe31d03dd725f9d7ab89de7f0c
sha1 efe15fde249397808fbe2082ccc6026107112186
sha256 7458a153e170d18771e275c212e95ecb66a33ebdd4597e0a7f9c979daf421503
sha512 ed609545017ca6011ebf3859ff55f2851fbad97cb9082215fefd4e5fa73a6059483ab00e5662d8616102d2c5995b5eec06aad3618e1aec6f9d08de592ebb55c9
ripemd-160 0fc6f03fd5b0ccdd9b0a29e806979473e7326634

66409872 as geometric shapes

Circle

Radius = n
Diameter 132819744
Circumference 417265532.00208
Area 1.3855275285135E+16

Sphere

Radius = n
Volume 1.2268360776141E+24
Surface area 5.542110114054E+16
Circumference 417265532.00208

Square

Length = n
Perimeter 265639488
Area 4410271099056384
Diagonal 93917741.657861

Cube

Length = n
Surface area 26461626594338304
Volume 2.9288553917363E+23
Space diagonal 115025272.42815

Equilateral Triangle

Length = n
Perimeter 199229616
Area 1.9097034046796E+15
Altitude 57512636.214073

Triangular Pyramid

Length = n
Surface area 1.9097034046796E+15
Volume 3.4516891810192E+22
Height 31305913.885954