66445897 (number)

66445897 is an odd 8-digits composite number following 66445896 and preceding 66445898. In scientific notation, it is written as 6.6445897 × 10^7. The sum of its digits is 49. It has a total of 4 prime factors and 12 positive divisors. There are 55998000 positive integers (up to 66445897) that are relatively prime to 66445897.

Interesting facts

Basic properties

Name

Name sixty-six million four hundred forty-five thousand eight hundred ninety-seven

Notation

Scientific notation 6.6445897 × 10^7
Engineering notation 6.6445897 × 10^6

Prime Factorization of 66445897

Prime Factorization 7 × 61 × 61 × 2551

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1089277
Product of the distinct prime numbers

The prime factorization of 66445897 is 7 × 61 × 61 × 2551. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 8, 10, 79, 340, 829, 9208, 5086, 27531, 27889, 58379, 157934, 523942, 6736300, 28977675, 70451164, 905079987, 781078876, 8099675381, 7327961555

Basic calculations (n = 66445897)

Multiplication

n×y
n×2 132891794
n×3 199337691
n×4 265783588
n×5 332229485

Division

n÷y
n÷2 33222948.5
n÷3 22148632.333333
n÷3 16611474.25
n÷5 13289179.4

Exponentiation

ny
n2 4415057228134609
n3 2.9336243782974E+23
n4 1.9492730327704E+31
n5 1.2952119516034E+39

Nth Root

y√n
2√n 8151.4352723922
3√n 405.0320494883
4√n 90.285299314962
5√n 36.685431672836

Divisors of 66445897

1, 7, 61, 427, 2551, 3721, 17857, 26047, 155611, 1089277, 9492271, 66445897

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -66445896
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 66445897 can be divided by 12 positive divisors. The sum of these divisors (counting 66445897) is 1, the average is 0.083333333333333.

Base conversion 66445897

Base System Value
2 Binary 11111101011110001001001001
3 Ternary 11122000210122011
4 Quaternary 3331132021021
5 Quinary 114002232042
6 Senary 10332055521
8 Octal 375361111
10 Decimal 66445897
12 Duodecimal 1a3045a1
16 Hexadecimal 3f5e249
20 Vigesimal 10f5eeh
36 Base36 13k5zd

Cryptographic Hash Functions

md5 890be06af529bd7b663296f77f32dfd0
sha1 78eb5a07b4ff2f4f77beb05500b0d71cb905d88a
sha256 a7de4b04345a45db38b871f2a22b5ef3bc74f18ec169d3336e143cb2ad239edc
sha512 b3cb141211774829c409cac684762a20c843f528c4f05472ad7abd8110bc93456a8992a43b9b0588f89db773d85ec0ae0be5657701d25e8deee43fb021bd7748
ripemd-160 ab481ff214057954080a1e3acf9fdd88de17db2e

66445897 as geometric shapes

Circle

Radius = n
Diameter 132891794
Circumference 417491883.75277
Area 1.3870311353086E+16

Sphere

Radius = n
Volume 1.2288337060335E+24
Surface area 5.5481245412345E+16
Circumference 417491883.75277

Square

Length = n
Perimeter 265783588
Area 4415057228134609
Diagonal 93968688.701446

Cube

Length = n
Surface area 26490343368807654
Volume 2.9336243782974E+23
Space diagonal 115087669.55849

Equilateral Triangle

Length = n
Perimeter 199337691
Area 1.9117758593633E+15
Altitude 57543834.779244

Triangular Pyramid

Length = n
Surface area 1.9117758593633E+15
Volume 3.4573094855804E+22
Height 31322896.233815