668727281 (number)

668727281 is an odd 9-digits prime number following 668727280 and preceding 668727282. In scientific notation, it is written as 6.68727281 × 10^8. The sum of its digits is 47. It has a total of 1 prime factors and 2 positive divisors. There are 668727280 positive integers (up to 668727281) that are relatively prime to 668727281.

Interesting facts

Basic properties

Name

Name six hundred sixty-eight million seven hundred twenty-seven thousand two hundred eighty-one

Notation

Scientific notation 6.68727281 × 10^8
Engineering notation 6.68727281 × 10^6

Prime Factorization of 668727281

Prime Factorization 668727281

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 668727281
Product of the distinct prime numbers

The prime factorization of 668727281 is 668727281. Since it has a total of 1 prime factors.

Most popular turbo-numbers

7, 9, 47, 41, 283, 982, 5620, 3833, 28714, 81608, 117747, 871952, 649561, 3577859, 34582315, 46170832, 713108589, 31435413, 7777438353, 2515950262

Basic calculations (n = 668727281)

Multiplication

n×y
n×2 1337454562
n×3 2006181843
n×4 2674909124
n×5 3343636405

Division

n÷y
n÷2 334363640.5
n÷3 222909093.66667
n÷3 167181820.25
n÷5 133745456.2

Exponentiation

ny
n2 447196176353652961
n3 2.9905228308657E+26
n4 1.9998442014533E+35
n5 1.3373503752615E+44

Nth Root

y√n
2√n 25859.761812515
3√n 874.47959520453
4√n 160.80970683549
5√n 58.216998157238

Divisors of 668727281

1, 668727281

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 668727282
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 334363641
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 25859.76183185
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999970092
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 668727281 can be divided by 2 positive divisors. The sum of these divisors (counting 668727281) is 668727282, the average is 334363641.

Base conversion 668727281

Base System Value
2 Binary 100111110110111111011111110001
3 Ternary 1201121022212101002
4 Quaternary 213312333133301
5 Quinary 2332143233111
6 Senary 150205051345
8 Octal 4766773761
10 Decimal 668727281
12 Duodecimal 167b56b55
16 Hexadecimal 27dbf7f1
20 Vigesimal a8jai41
36 Base36 b2559t

Cryptographic Hash Functions

md5 34f8fceed529a3a19b81d0abfc3047db
sha1 d86eb96e8216b3fff19cbb0a9c248fc8ab8e718a
sha256 b36931acaea38fa3d683219350ad70300841651fe96a0daed3fbc6ba4aec1abe
sha512 b8e6d200f697c21af761fe438a69f8c96ec780f000a3f5fc16fd0eb3efd13f647036811b07614e39811521c37c7a8a30564b35a13a79b78a9496fc22b7bfce9f
ripemd-160 97fb8c496ba0074678a55eff1c29bffd5bdc92af

668727281 as geometric shapes

Circle

Radius = n
Diameter 1337454562
Circumference 4201737426.4894
Area 1.4049082223461E+18

Sphere

Radius = n
Volume 1.2526672741121E+27
Surface area 5.6196328893843E+18
Circumference 4201737426.4894

Square

Length = n
Perimeter 2674909124
Area 447196176353652961
Diagonal 945723190.31908

Cube

Length = n
Surface area 2683177058121917766
Volume 2.9905228308657E+26
Space diagonal 1158269627.0994

Equilateral Triangle

Length = n
Perimeter 2006181843
Area 1.9364162459876E+17
Altitude 579134813.54969

Triangular Pyramid

Length = n
Surface area 1.9364162459876E+17
Volume 3.5243649549973E+25
Height 315241063.43969