66221491 (number)

66221491 is an odd 8-digits composite number following 66221490 and preceding 66221492. In scientific notation, it is written as 6.6221491 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 6 positive divisors. There are 56761236 positive integers (up to 66221491) that are relatively prime to 66221491.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.6221491 × 10^7
Engineering notation 6.6221491 × 10^6

Prime Factorization of 66221491

Prime Factorization 7 × 7 × 1351459

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 9460213
Product of the distinct prime numbers

The prime factorization of 66221491 is 7 × 7 × 1351459. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 66221491)

Multiplication

n×y
n×2 132442982
n×3 198664473
n×4 264885964
n×5 331107455

Division

n÷y
n÷2 33110745.5
n÷3 22073830.333333
n÷3 16555372.75
n÷5 13244298.2

Exponentiation

ny
n2 4385285870263081
n3 2.9040016879005E+23
n4 1.9230732163929E+31
n5 1.273487756917E+39

Nth Root

y√n
2√n 8137.6588156545
3√n 404.57556714406
4√n 90.208973032922
5√n 36.660618779305

Divisors of 66221491

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -66221490
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 66221491 can be divided by 6 positive divisors. The sum of these divisors (counting 66221491) is 1, the average is 0.16666666666667.

Base conversion 66221491

Base System Value
2 Binary 11111100100111010110110011
3 Ternary 11121121101210211
4 Quaternary 3330213112303
5 Quinary 113423041431
6 Senary 10323204551
8 Octal 374472663
10 Decimal 66221491
12 Duodecimal 1a216757
16 Hexadecimal 3f275b3
20 Vigesimal 10dhdeb
36 Base36 13fctv

Cryptographic Hash Functions

md5 b9994a60947ffbb14924450bfe8ae08d
sha1 754e0fafc86e783103c2210b97cb4417fad7bd8e
sha256 325e88522981e559ee33fb9b763821614edf89ad11343a9082c28649f56a4fd6
sha512 fc6347c538d13bc4318a835067d738b7d5bb0de87153453b40696d8befa5cd3c17d86125a0fa508bc2ea4348dc64f2d4704afad7c7979b0e9bbfb5eeea646fc2
ripemd-160 3b6223314e6cac5eafe22d32806ea4e2a21f7d8d

66221491 as geometric shapes

Circle

Radius = n
Diameter 132442982
Circumference 416081899.27073
Area 1.377678187391E+16

Sphere

Radius = n
Volume 1.2164253824961E+24
Surface area 5.5107127495638E+16
Circumference 416081899.27073

Square

Length = n
Perimeter 264885964
Area 4385285870263081
Diagonal 93651330.692768

Cube

Length = n
Surface area 26311715221578486
Volume 2.9040016879005E+23
Space diagonal 114698986.96497

Equilateral Triangle

Length = n
Perimeter 198664473
Area 1.8988844832524E+15
Altitude 57349493.482483

Triangular Pyramid

Length = n
Surface area 1.8988844832524E+15
Volume 3.4223988101528E+22
Height 31217110.230923