66072721 (number)

66072721 is an odd 8-digits composite number following 66072720 and preceding 66072722. In scientific notation, it is written as 6.6072721 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 53032320 positive integers (up to 66072721) that are relatively prime to 66072721.

Interesting facts

Basic properties

Name

Name sixty-six million seventy-two thousand seven hundred twenty-one

Notation

Scientific notation 6.6072721 × 10^7
Engineering notation 6.6072721 × 10^6

Prime Factorization of 66072721

Prime Factorization 3289 × 20089

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 66072721
Product of the distinct prime numbers

The prime factorization of 66072721 is 3289 × 20089. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 2, 91, 78, 640, 7, 858, 9084, 98339, 61720, 741365, 392818, 7676685, 3018380, 16147535, 2124389, 955479826, 920864995, 993412773, 5267530798

Basic calculations (n = 66072721)

Multiplication

n×y
n×2 132145442
n×3 198218163
n×4 264290884
n×5 330363605

Division

n÷y
n÷2 33036360.5
n÷3 22024240.333333
n÷3 16518180.25
n÷5 13214544.2

Exponentiation

ny
n2 4365604460343841
n3 2.8844736550465E+23
n4 1.9058502304174E+31
n5 1.2592471054215E+39

Nth Root

y√n
2√n 8128.5128406124
3√n 404.2723733475
4√n 90.158265514662
5√n 36.644131962511

Divisors of 66072721

1, 3289, 20089, 66072721

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 -66072720
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 66072721 can be divided by 4 positive divisors. The sum of these divisors (counting 66072721) is 1, the average is 0.25.

Base conversion 66072721

Base System Value
2 Binary 11111100000011000010010001
3 Ternary 11121022211201211
4 Quaternary 3330003002101
5 Quinary 113403311341
6 Senary 10320100121
8 Octal 374030221
10 Decimal 66072721
12 Duodecimal 1a164641
16 Hexadecimal 3f03091
20 Vigesimal 10cj1g1
36 Base36 13c61d

Cryptographic Hash Functions

md5 a89d6de67c34c7f6a055938746437aac
sha1 eea781bef120e4f56b1ba694a14efd5f6865bf88
sha256 409d098656f289c13a9bd3cb7f178d4dbf3b7811915006d8facf23223ffd2330
sha512 7dfc21b8030f8a967bc425fa7b576c03508bc6358ca9583c4bde96c1c4ffaf8ff906a064345637c6aa1c51506db372be6e831d327a483f787bd374eb6afe0d4c
ripemd-160 81d863b98f7a63f57f1f546c7dc6f56bcba8265b

66072721 as geometric shapes

Circle

Radius = n
Diameter 132145442
Circumference 415147149.79258
Area 1.3714950901095E+16

Sphere

Radius = n
Volume 1.2082454992223E+24
Surface area 5.485980360438E+16
Circumference 415147149.79258

Square

Length = n
Perimeter 264290884
Area 4365604460343841
Diagonal 93440938.141094

Cube

Length = n
Surface area 26193626762063046
Volume 2.8844736550465E+23
Space diagonal 114441309.76632

Equilateral Triangle

Length = n
Perimeter 198218163
Area 1.8903621827662E+15
Altitude 57220654.883162

Triangular Pyramid

Length = n
Surface area 1.8903621827662E+15
Volume 3.3993848027289E+22
Height 31146979.380365