664790721 (number)

664790721 is an odd 9-digits composite number following 664790720 and preceding 664790722. In scientific notation, it is written as 6.64790721 × 10^8. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 379517904 positive integers (up to 664790721) that are relatively prime to 664790721.

Interesting facts

Basic properties

Name

Name six hundred sixty-four million seven hundred ninety thousand seven hundred twenty-one

Notation

Scientific notation 6.64790721 × 10^8
Engineering notation 6.64790721 × 10^6

Prime Factorization of 664790721

Prime Factorization 21 × 1087 × 29123

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 664790721
Product of the distinct prime numbers

The prime factorization of 664790721 is 21 × 1087 × 29123. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 8, 27, 75, 917, 597, 1765, 5022, 97177, 62191, 978508, 940604, 711915, 9177851, 34068895, 1441733, 127818942, 177581687, 6034199784, 2955418784

Basic calculations (n = 664790721)

Multiplication

n×y
n×2 1329581442
n×3 1994372163
n×4 2659162884
n×5 3323953605

Division

n÷y
n÷2 332395360.5
n÷3 221596907
n÷3 166197680.25
n÷5 132958144.2

Exponentiation

ny
n2 441946702727699841
n3 2.9380206714992E+26
n4 1.9531688805189E+35
n5 1.2984485483149E+44

Nth Root

y√n
2√n 25783.535851392
3√n 872.76030021888
4√n 160.57252520712
5√n 58.148295636889

Divisors of 664790721

1, 21, 1087, 22827, 29123, 611583, 31656701, 664790721

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 -664790720
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 664790721 can be divided by 8 positive divisors. The sum of these divisors (counting 664790721) is 1, the average is 0.125.

Base conversion 664790721

Base System Value
2 Binary 100111100111111110011011000001
3 Ternary 1201022220212102120
4 Quaternary 213213332123001
5 Quinary 2330141300341
6 Senary 145544434453
8 Octal 4747763301
10 Decimal 664790721
12 Duodecimal 166778a29
16 Hexadecimal 279fe6c1
20 Vigesimal a7eigg1
36 Base36 azsrsx

Cryptographic Hash Functions

md5 e6208e82a966f468e4bb2767023a6326
sha1 2348a0d2dce43bffca0bce212596cfe466e0acd1
sha256 01f2cd6b78476bea4d4cb1888821f766cbebb814b98284670b0632ea4e41ac4e
sha512 1dd598f87da09a4b24249e1c0276143e93465da7225b08fe044ff8d5ac5851d332ab27184654b857d1e00c681531e1a4524fc4cb2084d2b552e4cf4df1d35878
ripemd-160 197f8416eca3e605d3d29106214814686973c39d

664790721 as geometric shapes

Circle

Radius = n
Diameter 1329581442
Circumference 4177003290.5365
Area 1.3884165145676E+18

Sphere

Radius = n
Volume 1.2306752210236E+27
Surface area 5.5536660582703E+18
Circumference 4177003290.5365

Square

Length = n
Perimeter 2659162884
Area 441946702727699841
Diagonal 940156053.77799

Cube

Length = n
Surface area 2651680216366199046
Volume 2.9380206714992E+26
Space diagonal 1151451305.1723

Equilateral Triangle

Length = n
Perimeter 1994372163
Area 1.9136853584048E+17
Altitude 575725652.58617

Triangular Pyramid

Length = n
Surface area 1.9136853584048E+17
Volume 3.4624905668056E+25
Height 313385351.25933