66668889 (number)

66668889 is an odd 8-digits composite number following 66668888 and preceding 66668890. In scientific notation, it is written as 6.6668889 × 10^7. The sum of its digits is 57. It has a total of 3 prime factors and 8 positive divisors. There are 37285392 positive integers (up to 66668889) that are relatively prime to 66668889.

Interesting facts

Basic properties

Name

Name sixty-six million six hundred sixty-eight thousand eight hundred eighty-nine

Notation

Scientific notation 6.6668889 × 10^7
Engineering notation 6.6668889 × 10^6

Prime Factorization of 66668889

Prime Factorization 21 × 47 × 67547

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 66668889
Product of the distinct prime numbers

The prime factorization of 66668889 is 21 × 47 × 67547. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 10, 98, 45, 91, 103, 3508, 1365, 56966, 74145, 168116, 466875, 2220572, 2507207, 20397089, 52114614, 24640802, 689923898, 2352931620, 6943609226

Basic calculations (n = 66668889)

Multiplication

n×y
n×2 133337778
n×3 200006667
n×4 266675556
n×5 333344445

Division

n÷y
n÷2 33334444.5
n÷3 22222963
n÷3 16667222.25
n÷5 13333777.8

Exponentiation

ny
n2 4444740760494321
n3 2.9632592839517E+23
n4 1.9755720428E+31
n5 1.3170919323293E+39

Nth Root

y√n
2√n 8165.1018977108
3√n 405.48463854824
4√n 90.360953390891
5√n 36.71002189932

Divisors of 66668889

1, 21, 47, 987, 67547, 1418487, 3174709, 66668889

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 -66668888
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 66668889 can be divided by 8 positive divisors. The sum of these divisors (counting 66668889) is 1, the average is 0.125.

Base conversion 66668889

Base System Value
2 Binary 11111110010100100101011001
3 Ternary 11122110010112010
4 Quaternary 3332110211121
5 Quinary 114031401024
6 Senary 10340540133
8 Octal 376244531
10 Decimal 66668889
12 Duodecimal 1a3b1649
16 Hexadecimal 3f94959
20 Vigesimal 10gdc49
36 Base36 13oy1l

Cryptographic Hash Functions

md5 1501b61ce63d8ba5db6e4c08efcbf9e7
sha1 8ae5c3631aebc32be55b90f1fca89bd22786aeed
sha256 a09a7da13a804edaa37ddd87fc53e5089fb3c0ecea20fcfacf0926d3b67a50e9
sha512 b9a4217d6705165000f323d1ac7d692a90686b15dcdc7513469d6d7b0467100c3e2898afe779e526cf9bf2b0841a4cf4dcd106a608463573f11654c4a72b9d83
ripemd-160 46143540cbffb8033a12dd45c843fb10022a07af

66668889 as geometric shapes

Circle

Radius = n
Diameter 133337778
Circumference 418892983.81079
Area 1.396356492028E+16

Sphere

Radius = n
Volume 1.2412471462859E+24
Surface area 5.585425968112E+16
Circumference 418892983.81079

Square

Length = n
Perimeter 266675556
Area 4444740760494321
Diagonal 94284047.012146

Cube

Length = n
Surface area 26668444562965926
Volume 2.9632592839517E+23
Space diagonal 115473903.03217

Equilateral Triangle

Length = n
Perimeter 200006667
Area 1.9246292059121E+15
Altitude 57736951.516085

Triangular Pyramid

Length = n
Surface area 1.9246292059121E+15
Volume 3.4922345568271E+22
Height 31428015.670715