668889784 (number)

668889784 is an even 9-digits composite number following 668889783 and preceding 668889785. In scientific notation, it is written as 6.68889784 × 10^8. The sum of its digits is 64. It has a total of 4 prime factors and 8 positive divisors. There are 334444888 positive integers (up to 668889784) that are relatively prime to 668889784.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.68889784 × 10^8
Engineering notation 6.68889784 × 10^6

Prime Factorization of 668889784

Prime Factorization 2 × 2 × 2 × 83611223

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 167222446
Product of the distinct prime numbers

The prime factorization of 668889784 is 2 × 2 × 2 × 83611223. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 9, 34, 29, 539, 372, 5915, 5779, 53742, 68620, 787144, 919718, 9041098, 4709430, 14512841, 77778488, 176196690, 446439069, 2833705995, 5223810829

Basic calculations (n = 668889784)

Multiplication

n×y
n×2 1337779568
n×3 2006669352
n×4 2675559136
n×5 3344448920

Division

n÷y
n÷2 334444892
n÷3 222963261.33333
n÷3 167222446
n÷5 133777956.8

Exponentiation

ny
n2 447413543139566656
n3 2.992703482293E+26
n4 2.001788785847E+35
n5 1.3389760685788E+44

Nth Root

y√n
2√n 25862.903626623
3√n 874.55042330469
4√n 160.81947527157
5√n 58.219827267904

Divisors of 668889784

1, 2, 4, 8, 83611223, 167222446, 334444892, 668889784

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 -668889783
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 668889784 can be divided by 8 positive divisors. The sum of these divisors (counting 668889784) is 1, the average is 0.125.

Base conversion 668889784

Base System Value
2 Binary 100111110111100111001010111000
3 Ternary 1201121122010021201
4 Quaternary 213313213022320
5 Quinary 2332213433114
6 Senary 150212343544
8 Octal 4767471270
10 Decimal 668889784
12 Duodecimal 168014bb4
16 Hexadecimal 27de72b8
20 Vigesimal a90b494
36 Base36 b28mns

Cryptographic Hash Functions

md5 fbbe13621d0b2061b6a00936b2e9561c
sha1 ca0d8cb00a4830296f0760c641104634a9484da9
sha256 f7d8ff817a4d09294d7619d681ec256acd68b7fad308c2a5532ef77f4aaef0b7
sha512 aa3b3f7e563e4b83e5cdcab9334b42110cec4d108b3efed380f780172b4fb508c2f86a4440540b612af1096f0cd3a2fb112d9931692f5d66d3eaea5dd8218801
ripemd-160 6c8a4af3fa1eaa1d0e37d49da69ab90e70855091

668889784 as geometric shapes

Circle

Radius = n
Diameter 1337779568
Circumference 4202758462.9513
Area 1.4055911002438E+18

Sphere

Radius = n
Volume 1.2535807032459E+27
Surface area 5.6223644009754E+18
Circumference 4202758462.9513

Square

Length = n
Perimeter 2675559136
Area 447413543139566656
Diagonal 945953004.26561

Cube

Length = n
Surface area 2684481258837399936
Volume 2.992703482293E+26
Space diagonal 1158551090.5518

Equilateral Triangle

Length = n
Perimeter 2006669352
Area 1.9373574717803E+17
Altitude 579275545.27589

Triangular Pyramid

Length = n
Surface area 1.9373574717803E+17
Volume 3.52693487735E+25
Height 315317668.08854