681445868 (number)

681445868 is an even 9-digits composite number following 681445867 and preceding 681445869. In scientific notation, it is written as 6.81445868 × 10^8. The sum of its digits is 50. It has a total of 5 prime factors and 24 positive divisors. There are 322375248 positive integers (up to 681445868) that are relatively prime to 681445868.

Interesting facts

Basic properties

Name

Name six hundred eighty-one million four hundred forty-five thousand eight hundred sixty-eight

Notation

Scientific notation 6.81445868 × 10^8
Engineering notation 6.81445868 × 10^6

Prime Factorization of 681445868

Prime Factorization 2 × 2 × 19 × 839 × 10687

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 340722934
Product of the distinct prime numbers

The prime factorization of 681445868 is 2 × 2 × 19 × 839 × 10687. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 10, 12, 73, 901, 25, 9836, 5010, 66589, 57099, 12306, 233368, 4571436, 8389731, 56896370, 98642106, 329413904, 219098716, 2334207925, 382665391

Basic calculations (n = 681445868)

Multiplication

n×y
n×2 1362891736
n×3 2044337604
n×4 2725783472
n×5 3407229340

Division

n÷y
n÷2 340722934
n÷3 227148622.66667
n÷3 170361467
n÷5 136289173.6

Exponentiation

ny
n2 464368471014273424
n3 3.1644197580215E+26
n4 2.1563807687213E+35
n5 1.4694567646798E+44

Nth Root

y√n
2√n 26104.518152994
3√n 879.98875157798
4√n 161.5689269414
5√n 58.43677935359

Divisors of 681445868

1, 2, 4, 19, 38, 76, 839, 1678, 3356, 10687, 15941, 21374, 31882, 42748, 63764, 203053, 406106, 812212, 8966393, 17932786, 35865572, 170361467, 340722934, 681445868

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -681445867
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 681445868 can be divided by 24 positive divisors. The sum of these divisors (counting 681445868) is 1, the average is 0.041666666666667.

Base conversion 681445868

Base System Value
2 Binary 101000100111100000100111101100
3 Ternary 1202111021000222212
4 Quaternary 220213200213230
5 Quinary 2343422231433
6 Senary 151341425552
8 Octal 5047404754
10 Decimal 681445868
12 Duodecimal 17026b2b8
16 Hexadecimal 289e09ec
20 Vigesimal acj0ed8
36 Base36 b9pqzw

Cryptographic Hash Functions

md5 db104181f0e2ef9cf08b0b8afff3bb1b
sha1 681081166a6219961369468204e399b0584c36cd
sha256 a862fda8189c28349a40993cc5d2519b0746d6f21ab9a597ae4bfc66c7760de2
sha512 acc2cbf30decc56b11027367f08c2542a1ab44e542c7a81a08fa24a677971221a970f33ff5c4b78620d54cab70f5b89265fe7e44c37ff19d006e447d7eb87e2c
ripemd-160 44c552d6ee30439111ba2402448e6e94646c93e5

681445868 as geometric shapes

Circle

Radius = n
Diameter 1362891736
Circumference 4281650665.4558
Area 1.4588565770972E+18

Sphere

Radius = n
Volume 1.3255090486233E+27
Surface area 5.8354263083887E+18
Circumference 4281650665.4558

Square

Length = n
Perimeter 2725783472
Area 464368471014273424
Diagonal 963709988.54871

Cube

Length = n
Surface area 2786210826085640544
Volume 3.1644197580215E+26
Space diagonal 1180298865.9839

Equilateral Triangle

Length = n
Perimeter 2044337604
Area 2.0107744630745E+17
Altitude 590149432.99194

Triangular Pyramid

Length = n
Surface area 2.0107744630745E+17
Volume 3.7293044490295E+25
Height 321236662.84957