668889780 (number)

668889780 is an even 9-digits composite number following 668889779 and preceding 668889781. In scientific notation, it is written as 6.68889780 × 10^8. The sum of its digits is 60. It has a total of 4 prime factors and 12 positive divisors. There are 164649600 positive integers (up to 668889780) that are relatively prime to 668889780.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.68889780 × 10^8
Engineering notation 6.68889780 × 10^6

Prime Factorization of 668889780

Prime Factorization 2 × 2 × 195 × 857551

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 334444890
Product of the distinct prime numbers

The prime factorization of 668889780 is 2 × 2 × 195 × 857551. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 9, 95, 85, 464, 631, 1130, 6449, 50981, 30839, 803168, 460894, 5297866, 5678962, 89833970, 68308146, 539343916, 605849661, 1769697153, 161590618

Basic calculations (n = 668889780)

Multiplication

n×y
n×2 1337779560
n×3 2006669340
n×4 2675559120
n×5 3344448900

Division

n÷y
n÷2 334444890
n÷3 222963260
n÷3 167222445
n÷5 133777956

Exponentiation

ny
n2 447413537788448400
n3 2.9927034286034E+26
n4 2.0017887379638E+35
n5 1.3389760285431E+44

Nth Root

y√n
2√n 25862.903549292
3√n 874.5504215614
4√n 160.81947503114
5√n 58.219827198273

Divisors of 668889780

1, 2, 4, 195, 390, 780, 857551, 1715102, 3430204, 167222445, 334444890, 668889780

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -668889779
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 668889780 can be divided by 12 positive divisors. The sum of these divisors (counting 668889780) is 1, the average is 0.083333333333333.

Base conversion 668889780

Base System Value
2 Binary 100111110111100111001010110100
3 Ternary 1201121122010021120
4 Quaternary 213313213022310
5 Quinary 2332213433110
6 Senary 150212343540
8 Octal 4767471264
10 Decimal 668889780
12 Duodecimal 168014bb0
16 Hexadecimal 27de72b4
20 Vigesimal a90b490
36 Base36 b28mno

Cryptographic Hash Functions

md5 1d8d8c9ad4daa5b9c7f47d3b17cdbcff
sha1 dbc2c533f9b5a178139dc0f9cb712a5ffd700de9
sha256 347f09a339c049cc7aab0f3c1dddaa023158e67f7f2b8e736cd0d1403cbf8f8d
sha512 c7fdd7061542e6650a614afbae5ca33311ba6b2f530e4c28e69dd843ac51fb4fc6aa0a821b20eb9ed0fb6bbf61f4c6563adf5efa1380a5c50687c212ad8494c9
ripemd-160 9401ef6d9f37ae443c7c6d8561c70bf36371172a

668889780 as geometric shapes

Circle

Radius = n
Diameter 1337779560
Circumference 4202758437.8186
Area 1.4055910834328E+18

Sphere

Radius = n
Volume 1.2535806807564E+27
Surface area 5.6223643337312E+18
Circumference 4202758437.8186

Square

Length = n
Perimeter 2675559120
Area 447413537788448400
Diagonal 945952998.60876

Cube

Length = n
Surface area 2684481226730690400
Volume 2.9927034286034E+26
Space diagonal 1158551083.6236

Equilateral Triangle

Length = n
Perimeter 2006669340
Area 1.9373574486093E+17
Altitude 579275541.81178

Triangular Pyramid

Length = n
Surface area 1.9373574486093E+17
Volume 3.5269348140761E+25
Height 315317666.20292