78661749 (number)

78661749 is an odd 8-digits composite number following 78661748 and preceding 78661750. In scientific notation, it is written as 7.8661749 × 10^7. The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors. There are 51221520 positive integers (up to 78661749) that are relatively prime to 78661749.

Interesting facts

Basic properties

Name

Name seventy-eight million six hundred sixty-one thousand seven hundred forty-nine

Notation

Scientific notation 7.8661749 × 10^7
Engineering notation 7.8661749 × 10^6

Prime Factorization of 78661749

Prime Factorization 3 × 43 × 609781

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 78661749
Product of the distinct prime numbers

The prime factorization of 78661749 is 3 × 43 × 609781. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 78661749)

Multiplication

n×y
n×2 157323498
n×3 235985247
n×4 314646996
n×5 393308745

Division

n÷y
n÷2 39330874.5
n÷3 26220583
n÷3 19665437.25
n÷5 15732349.8

Exponentiation

ny
n2 6187670755739001
n3 4.8673300388258E+23
n4 3.8287269381428E+31
n5 3.0117435739772E+39

Nth Root

y√n
2√n 8869.1459002544
3√n 428.47076951868
4√n 94.176142946366
5√n 37.944839457902

Divisors of 78661749

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -78661748
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 78661749 can be divided by 8 positive divisors. The sum of these divisors (counting 78661749) is 1, the average is 0.125.

Base conversion 78661749

Base System Value
2 Binary 100101100000100100001110101
3 Ternary 12111000102122010
4 Quaternary 10230010201311
5 Quinary 130114133444
6 Senary 11445554433
8 Octal 454044165
10 Decimal 78661749
12 Duodecimal 22415a19
16 Hexadecimal 4b04875
20 Vigesimal 14bce79
36 Base36 1atzsl

Cryptographic Hash Functions

md5 39f4883b7b48664f8d45ebcf979894d5
sha1 973399c4329979df88b7648e249a79ad938e10a3
sha256 263e41a050a9edc2e63f16b09faaab272463a81d4d3024298a72aadee70a7298
sha512 466742bdb16f341260d422671f2122669c46b4ece269909743574cfd06e2fbdde102acdad3fd540586f304939822560207126066b353ccb124e709e1d4f1f4da
ripemd-160 1d5b495e4ea5b8814699f1d43b750d3503e7123d

78661749 as geometric shapes

Circle

Radius = n
Diameter 157323498
Circumference 494246345.55385
Area 1.9439140989062E+16

Sphere

Radius = n
Volume 2.0388224390096E+24
Surface area 7.7756563956248E+16
Circumference 494246345.55385

Square

Length = n
Perimeter 314646996
Area 6187670755739001
Diagonal 111244512.27579

Cube

Length = n
Surface area 37126024534434006
Volume 4.8673300388258E+23
Space diagonal 136246145.88023

Equilateral Triangle

Length = n
Perimeter 235985247
Area 2.679340032362E+15
Altitude 68123072.940115

Triangular Pyramid

Length = n
Surface area 2.679340032362E+15
Volume 5.7362034612112E+22
Height 37081504.091929