78161816 (number)

78161816 is an even 8-digits composite number following 78161815 and preceding 78161817. In scientific notation, it is written as 7.8161816 × 10^7. The sum of its digits is 38. It has a total of 5 prime factors and 16 positive divisors. There are 39053664 positive integers (up to 78161816) that are relatively prime to 78161816.

Interesting facts

Basic properties

Name

Name seventy-eight million one hundred sixty-one thousand eight hundred sixteen

Notation

Scientific notation 7.8161816 × 10^7
Engineering notation 7.8161816 × 10^6

Prime Factorization of 78161816

Prime Factorization 2 × 2 × 2 × 4759 × 2053

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 19540454
Product of the distinct prime numbers

The prime factorization of 78161816 is 2 × 2 × 2 × 4759 × 2053. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 9, 55, 9, 411, 926, 4629, 836, 41654, 21262, 819022, 891857, 7964711, 8476786, 63126954, 25496689, 263529768, 336151095, 3460731637, 6321189216

Basic calculations (n = 78161816)

Multiplication

n×y
n×2 156323632
n×3 234485448
n×4 312647264
n×5 390809080

Division

n÷y
n÷2 39080908
n÷3 26053938.666667
n÷3 19540454
n÷5 15632363.2

Exponentiation

ny
n2 6109269480417856
n3 4.7751159702284E+23
n4 3.7323173584365E+31
n5 2.9172470262372E+39

Nth Root

y√n
2√n 8840.9171469933
3√n 427.5611275631
4√n 94.026151399455
5√n 37.896484857506

Divisors of 78161816

1, 2, 4, 8, 2053, 4106, 4759, 8212, 9518, 16424, 19036, 38072, 9770227, 19540454, 39080908, 78161816

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 -78161815
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 78161816 can be divided by 16 positive divisors. The sum of these divisors (counting 78161816) is 1, the average is 0.0625.

Base conversion 78161816

Base System Value
2 Binary 100101010001010011110011000
3 Ternary 12110002000212002
4 Quaternary 10222022132120
5 Quinary 130002134231
6 Senary 11431140132
8 Octal 452123630
10 Decimal 78161816
12 Duodecimal 22214648
16 Hexadecimal 4a8a798
20 Vigesimal 148a4ag
36 Base36 1aja1k

Cryptographic Hash Functions

md5 5bd0f98ecd5c1f413fe7c90b73fac349
sha1 008faed96c6eb3927317087be6cff39452c7d04d
sha256 0b6ecc061b83d0fc4916a5af9cfd3d2fc4ac544016f9ea46d4c4804214229929
sha512 86ac9b35d6b7c6f6196c38116dd9b0acf6dfe38f860043b838ce5b11c2425fe4860d211c8f31174a58d7138cca1be41a8bdc52788e41f4a5013b18e151f5716e
ripemd-160 b2c8ceecae69f9fe7a305eeb369b3f6aa98235dd

78161816 as geometric shapes

Circle

Radius = n
Diameter 156323632
Circumference 491105173.87367
Area 1.9192836118481E+16

Sphere

Radius = n
Volume 2.0001959002812E+24
Surface area 7.6771344473924E+16
Circumference 491105173.87367

Square

Length = n
Perimeter 312647264
Area 6109269480417856
Diagonal 110537500.24691

Cube

Length = n
Surface area 36655616882507136
Volume 4.7751159702284E+23
Space diagonal 135380236.52385

Equilateral Triangle

Length = n
Perimeter 234485448
Area 2.6453912843034E+15
Altitude 67690118.261925

Triangular Pyramid

Length = n
Surface area 2.6453912843034E+15
Volume 5.6275281391678E+22
Height 36845833.415637