668702991 (number)

668702991 is an odd 9-digits composite number following 668702990 and preceding 668702992. In scientific notation, it is written as 6.68702991 × 10^8. The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors. There are 398392720 positive integers (up to 668702991) that are relatively prime to 668702991.

Interesting facts

Basic properties

Name

Name six hundred sixty-eight million seven hundred two thousand nine hundred ninety-one

Notation

Scientific notation 6.68702991 × 10^8
Engineering notation 6.68702991 × 10^6

Prime Factorization of 668702991

Prime Factorization 3 × 121 × 59 × 31223

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 668702991
Product of the distinct prime numbers

The prime factorization of 668702991 is 3 × 121 × 59 × 31223. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 7, 71, 74, 332, 542, 4429, 1910, 16069, 1821, 490935, 971811, 1301069, 5012784, 95937148, 13107160, 279290306, 516138554, 6671672271, 5851969002

Basic calculations (n = 668702991)

Multiplication

n×y
n×2 1337405982
n×3 2006108973
n×4 2674811964
n×5 3343514955

Division

n÷y
n÷2 334351495.5
n÷3 222900997
n÷3 167175747.75
n÷5 133740598.2

Exponentiation

ny
n2 447163690172346081
n3 2.9901969708485E+26
n4 1.9995536580855E+35
n5 1.3371075118268E+44

Nth Root

y√n
2√n 25859.292159686
3√n 874.4690072478
4√n 160.80824655373
5√n 58.21657523104

Divisors of 668702991

1, 3, 59, 121, 177, 363, 7139, 21417, 31223, 93669, 1842157, 3777983, 5526471, 11333949, 222900997, 668702991

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -668702990
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 668702991 can be divided by 16 positive divisors. The sum of these divisors (counting 668702991) is 1, the average is 0.0625.

Base conversion 668702991

Base System Value
2 Binary 100111110110111001100100001111
3 Ternary 1201121021122001110
4 Quaternary 213312321210033
5 Quinary 2332141443431
6 Senary 150204343103
8 Octal 4766714417
10 Decimal 668702991
12 Duodecimal 167b44a93
16 Hexadecimal 27db990f
20 Vigesimal a8j7h9b
36 Base36 b24mj3

Cryptographic Hash Functions

md5 491b144ec7a1b6543985f968c7ce2848
sha1 d23521b3670880b6452c770054438d95268a5668
sha256 c3d21d8e60fd2d55f9ef83fa554ced0d1f04d246e6f0c13d22c983b3a3fa96f1
sha512 f2ec42ae17a38de187012ad190b7c0e64e9b66d5fbbb218aab55111115b33ebfed369ba12c0ab9202d8b6e41bb0aae17b22aa74be69a10ff3e476f783254f204
ripemd-160 324cb54dce52b79418d2b0c621b0d3df5f85fd63

668702991 as geometric shapes

Circle

Radius = n
Diameter 1337405982
Circumference 4201584807.9182
Area 1.4048061639975E+18

Sphere

Radius = n
Volume 1.2525307781872E+27
Surface area 5.6192246559902E+18
Circumference 4201584807.9182

Square

Length = n
Perimeter 2674811964
Area 447163690172346081
Diagonal 945688839.07165

Cube

Length = n
Surface area 2682982141034076486
Volume 2.9901969708485E+26
Space diagonal 1158227555.5853

Equilateral Triangle

Length = n
Perimeter 2006108973
Area 1.9362755766962E+17
Altitude 579113777.79264

Triangular Pyramid

Length = n
Surface area 1.9362755766962E+17
Volume 3.523980925284E+25
Height 315229613.02388