668889787 (number)

668889787 is an odd 9-digits composite number following 668889786 and preceding 668889788. In scientific notation, it is written as 6.68889787 × 10^8. The sum of its digits is 67. It has a total of 2 prime factors and 4 positive divisors. There are 661993920 positive integers (up to 668889787) that are relatively prime to 668889787.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.68889787 × 10^8
Engineering notation 6.68889787 × 10^6

Prime Factorization of 668889787

Prime Factorization 97 × 6895771

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 668889787
Product of the distinct prime numbers

The prime factorization of 668889787 is 97 × 6895771. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 7, 36, 74, 681, 118, 2966, 44, 24365, 4732, 721801, 390337, 7865647, 2167690, 67865777, 40064660, 756144133, 268104622, 5458877801, 3281491764

Basic calculations (n = 668889787)

Multiplication

n×y
n×2 1337779574
n×3 2006669361
n×4 2675559148
n×5 3344448935

Division

n÷y
n÷2 334444893.5
n÷3 222963262.33333
n÷3 167222446.75
n÷5 133777957.4

Exponentiation

ny
n2 447413547152905369
n3 2.9927035225602E+26
n4 2.0017888217595E+35
n5 1.3389760986057E+44

Nth Root

y√n
2√n 25862.903684621
3√n 874.55042461215
4√n 160.81947545189
5√n 58.219827320128

Divisors of 668889787

1, 97, 6895771, 668889787

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 -668889786
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 668889787 can be divided by 4 positive divisors. The sum of these divisors (counting 668889787) is 1, the average is 0.25.

Base conversion 668889787

Base System Value
2 Binary 100111110111100111001010111011
3 Ternary 1201121122010021211
4 Quaternary 213313213022323
5 Quinary 2332213433122
6 Senary 150212343551
8 Octal 4767471273
10 Decimal 668889787
12 Duodecimal 168014bb7
16 Hexadecimal 27de72bb
20 Vigesimal a90b497
36 Base36 b28mnv

Cryptographic Hash Functions

md5 35b289124683c1a07f22114b95472285
sha1 5b6b80daa6b7f94299e343658e44eda6b70e99ad
sha256 9b9d083a03a309283bb462db7620b2806a60f6bb8fc36433e24752e5456286b0
sha512 330b08d9ff20ba18b0d81764d08fb19b09627e1fba8d5a16ffec17cfc244f26173e64eeb2321dee7fd79a4afd19bb9b0b9eb163c381cc707b8a12ec7f335c222
ripemd-160 642f02d13d0df629ee3cb8f1027d7b862caba5e4

668889787 as geometric shapes

Circle

Radius = n
Diameter 1337779574
Circumference 4202758481.8009
Area 1.4055911128521E+18

Sphere

Radius = n
Volume 1.253580720113E+27
Surface area 5.6223644514085E+18
Circumference 4202758481.8009

Square

Length = n
Perimeter 2675559148
Area 447413547152905369
Diagonal 945953008.50825

Cube

Length = n
Surface area 2684481282917432214
Volume 2.9927035225602E+26
Space diagonal 1158551095.7479

Equilateral Triangle

Length = n
Perimeter 2006669361
Area 1.9373574891586E+17
Altitude 579275547.87396

Triangular Pyramid

Length = n
Surface area 1.9373574891586E+17
Volume 3.5269349248053E+25
Height 315317669.50275