66445947 (number)

66445947 is an odd 8-digits composite number following 66445946 and preceding 66445948. In scientific notation, it is written as 6.6445947 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 8 positive divisors. There are 44297280 positive integers (up to 66445947) that are relatively prime to 66445947.

Interesting facts

Basic properties

Name

Name sixty-six million four hundred forty-five thousand nine hundred forty-seven

Notation

Scientific notation 6.6445947 × 10^7
Engineering notation 6.6445947 × 10^6

Prime Factorization of 66445947

Prime Factorization 3 × 3 × 3 × 2460961

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 7382883
Product of the distinct prime numbers

The prime factorization of 66445947 is 3 × 3 × 3 × 2460961. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 10, 78, 75, 336, 779, 7229, 5112, 18119, 98717, 713351, 535506, 5488811, 7259134, 44928848, 86415426, 636795926, 769107576, 9370120789, 7206225874

Basic calculations (n = 66445947)

Multiplication

n×y
n×2 132891894
n×3 199337841
n×4 265783788
n×5 332229735

Division

n÷y
n÷2 33222973.5
n÷3 22148649
n÷3 16611486.75
n÷5 13289189.4

Exponentiation

ny
n2 4415063872726809
n3 2.9336310008882E+23
n4 1.9492789000257E+31
n5 1.2952168247933E+39

Nth Root

y√n
2√n 8151.4383393362
3√n 405.03215108272
4√n 90.285316299696
5√n 36.685437193933

Divisors of 66445947

1, 3, 9, 27, 2460961, 7382883, 22148649, 66445947

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -66445946
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 66445947 can be divided by 8 positive divisors. The sum of these divisors (counting 66445947) is 1, the average is 0.125.

Base conversion 66445947

Base System Value
2 Binary 11111101011110001001111011
3 Ternary 11122000210201000
4 Quaternary 3331132021323
5 Quinary 114002232242
6 Senary 10332100043
8 Octal 375361173
10 Decimal 66445947
12 Duodecimal 1a304623
16 Hexadecimal 3f5e27b
20 Vigesimal 10f5eh7
36 Base36 13k60r

Cryptographic Hash Functions

md5 45ee22325fd5b6473f9d44ab854ec4d7
sha1 7000aa16f3f6aadd2163978fe52086b5786d0f45
sha256 65bd30928386c82da89a43ceca719c3f982a8169f1b32b5c24c17fc7ec7e6c17
sha512 ec279dea561bab64dc691529b78ed99b05fbe3f17b8944b5cacf4ffb91f95497b446acfbc291d214efb12d89a0b10b6b2a9d8e15069a711b7bb35a61c06c3990
ripemd-160 7b7fb742090ed9eb03843c66948ee5fb9456d01c

66445947 as geometric shapes

Circle

Radius = n
Diameter 132891894
Circumference 417492197.91203
Area 1.3870332227688E+16

Sphere

Radius = n
Volume 1.2288364800978E+24
Surface area 5.5481328910753E+16
Circumference 417492197.91203

Square

Length = n
Perimeter 265783788
Area 4415063872726809
Diagonal 93968759.412124

Cube

Length = n
Surface area 26490383236360854
Volume 2.9336310008882E+23
Space diagonal 115087756.16103

Equilateral Triangle

Length = n
Perimeter 199337841
Area 1.9117787365562E+15
Altitude 57543878.080514

Triangular Pyramid

Length = n
Surface area 1.9117787365562E+15
Volume 3.4573172903785E+22
Height 31322919.804041