668366981 (number)

668366981 is an odd 9-digits composite number following 668366980 and preceding 668366982. In scientific notation, it is written as 6.68366981 × 10^8. The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors. There are 668262732 positive integers (up to 668366981) that are relatively prime to 668366981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.68366981 × 10^8
Engineering notation 6.68366981 × 10^6

Prime Factorization of 668366981

Prime Factorization 6863 × 97387

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 668366981
Product of the distinct prime numbers

The prime factorization of 668366981 is 6863 × 97387. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 6, 33, 98, 819, 818, 9868, 2729, 22171, 96602, 1680, 421183, 1324519, 1115402, 29985480, 31097999, 411325905, 800398378, 4437958341, 8441505811

Basic calculations (n = 668366981)

Multiplication

n×y
n×2 1336733962
n×3 2005100943
n×4 2673467924
n×5 3341834905

Division

n÷y
n÷2 334183490.5
n÷3 222788993.66667
n÷3 167091745.25
n÷5 133673396.2

Exponentiation

ny
n2 446714421291054361
n3 2.9856916912746E+26
n4 1.995537741894E+35
n5 1.3337515360213E+44

Nth Root

y√n
2√n 25852.794452438
3√n 874.32251492686
4√n 160.78804200698
5√n 58.210723519722

Divisors of 668366981

1, 6863, 97387, 668366981

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 -668366980
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 668366981 can be divided by 4 positive divisors. The sum of these divisors (counting 668366981) is 1, the average is 0.25.

Base conversion 668366981

Base System Value
2 Binary 100111110101100111100010000101
3 Ternary 1201120122120010122
4 Quaternary 213311213202011
5 Quinary 2332100220411
6 Senary 150153231325
8 Octal 4765474205
10 Decimal 668366981
12 Duodecimal 167a02545
16 Hexadecimal 27d67885
20 Vigesimal a8h5h91
36 Base36 b1xf9h

Cryptographic Hash Functions

md5 28bb351373f89861b614f954acb4a82f
sha1 c292eff99d9c11444514ddfd7f7f75d89836f159
sha256 7e51ce28245ac4b978528aafd0fec2bee0627a4fc6fb8ebb8a32b81ad55992c2
sha512 d7887bfaaebc7120e424ec17a2081d5fff647077014f3960d6c32d21ea2d2358e39078cec6d2df8dc0bf3519752b281c80a84a4c8248083eb449e0c96c027cba
ripemd-160 bd0cbf872af38c88c3736f1e19a823b444232792

668366981 as geometric shapes

Circle

Radius = n
Diameter 1336733962
Circumference 4199473594.8232
Area 1.4033947441806E+18

Sphere

Radius = n
Volume 1.2506436110923E+27
Surface area 5.6135789767224E+18
Circumference 4199473594.8232

Square

Length = n
Perimeter 2673467924
Area 446714421291054361
Diagonal 945213649.17256

Cube

Length = n
Surface area 2680286527746326166
Volume 2.9856916912746E+26
Space diagonal 1157645569.1934

Equilateral Triangle

Length = n
Perimeter 2005100943
Area 1.9343301853746E+17
Altitude 578822784.59671

Triangular Pyramid

Length = n
Surface area 1.9343301853746E+17
Volume 3.5186714023877E+25
Height 315071216.39085