666993721 (number)

666993721 is an odd 9-digits composite number following 666993720 and preceding 666993722. In scientific notation, it is written as 6.66993721 × 10^8. The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors. There are 637993972 positive integers (up to 666993721) that are relatively prime to 666993721.

Interesting facts

Basic properties

Name

Name six hundred sixty-six million nine hundred ninety-three thousand seven hundred twenty-one

Notation

Scientific notation 6.66993721 × 10^8
Engineering notation 6.66993721 × 10^6

Prime Factorization of 666993721

Prime Factorization 23 × 28999727

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 666993721
Product of the distinct prime numbers

The prime factorization of 666993721 is 23 × 28999727. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 2, 71, 39, 280, 168, 5990, 7279, 95157, 78258, 514871, 72683, 1149030, 751601, 55171922, 97434472, 792038532, 426765176, 1761317562, 3327416056

Basic calculations (n = 666993721)

Multiplication

n×y
n×2 1333987442
n×3 2000981163
n×4 2667974884
n×5 3334968605

Division

n÷y
n÷2 333496860.5
n÷3 222331240.33333
n÷3 166748430.25
n÷5 133398744.2

Exponentiation

ny
n2 444880623853425841
n3 2.967325827048E+26
n4 1.9791876948021E+35
n5 1.3201057651135E+44

Nth Root

y√n
2√n 25826.221578078
3√n 873.72329552038
4√n 160.70538752039
5√n 58.186783307301

Divisors of 666993721

1, 23, 28999727, 666993721

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -666993720
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 666993721 can be divided by 4 positive divisors. The sum of these divisors (counting 666993721) is 1, the average is 0.25.

Base conversion 666993721

Base System Value
2 Binary 100111110000011000010000111001
3 Ternary 1201111001210101011
4 Quaternary 213300120100321
5 Quinary 2331222244341
6 Senary 150103553521
8 Octal 4760302071
10 Decimal 666993721
12 Duodecimal 16745b8a1
16 Hexadecimal 27c18439
20 Vigesimal a88e461
36 Base36 b13znd

Cryptographic Hash Functions

md5 3aeeac37a67d0709c16cbaa09d4662e2
sha1 177bed70ad3bf3246bdc08732c112d0f02b24147
sha256 7fa034f2eed59f2b8d8db2ef4a602636ab1649f077202978978cc03f8da64a4d
sha512 90069919af012bbae17a1d7b1a3961547664709abac29db47c003e64fdd0ae5b9bd6919549c1cdb76e4a1e1a923c2c34113c430ed890f52435f21699d9bad2d2
ripemd-160 b56fef1d75e545a5408e5ce06c4da8d671a666ff

666993721 as geometric shapes

Circle

Radius = n
Diameter 1333987442
Circumference 4190845147.7682
Area 1.3976336996224E+18

Sphere

Radius = n
Volume 1.2429505358748E+27
Surface area 5.5905347984895E+18
Circumference 4190845147.7682

Square

Length = n
Perimeter 2667974884
Area 444880623853425841
Diagonal 943271566.2559

Cube

Length = n
Surface area 2669283743120555046
Volume 2.967325827048E+26
Space diagonal 1155267013.1014

Equilateral Triangle

Length = n
Perimeter 2000981163
Area 1.9263896095427E+17
Altitude 577633506.55071

Triangular Pyramid

Length = n
Surface area 1.9263896095427E+17
Volume 3.497027023826E+25
Height 314423855.41863