78491421 (number)

78491421 is an odd 8-digits composite number following 78491420 and preceding 78491422. In scientific notation, it is written as 7.8491421 × 10^7. The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors. There are 52327608 positive integers (up to 78491421) that are relatively prime to 78491421.

Interesting facts

Basic properties

Name

Name seventy-eight million four hundred ninety-one thousand four hundred twenty-one

Notation

Scientific notation 7.8491421 × 10^7
Engineering notation 7.8491421 × 10^6

Prime Factorization of 78491421

Prime Factorization 9 × 8721269

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 78491421
Product of the distinct prime numbers

The prime factorization of 78491421 is 9 × 8721269. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 78491421)

Multiplication

n×y
n×2 156982842
n×3 235474263
n×4 313965684
n×5 392457105

Division

n÷y
n÷2 39245710.5
n÷3 26163807
n÷3 19622855.25
n÷5 15698284.2

Exponentiation

ny
n2 6160903170599241
n3 4.8357804450374E+23
n4 3.79567278775E+31
n5 2.9792775076153E+39

Nth Root

y√n
2√n 8859.5384191277
3√n 428.16128700191
4√n 94.125121084266
5√n 37.928392649052

Divisors of 78491421

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 -78491420
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 78491421 can be divided by 4 positive divisors. The sum of these divisors (counting 78491421) is 1, the average is 0.25.

Base conversion 78491421

Base System Value
2 Binary 100101011011010111100011101
3 Ternary 12110200202222200
4 Quaternary 10223122330131
5 Quinary 130043211141
6 Senary 11442202113
8 Octal 453327435
10 Decimal 78491421
12 Duodecimal 22353339
16 Hexadecimal 4adaf1d
20 Vigesimal 14ab8b1
36 Base36 1aqcd9

Cryptographic Hash Functions

md5 538bf420998dfd114cec01b42e136fef
sha1 3d7acf46cbf8484f9a7a6ee2dc488c746ebe43bd
sha256 4685d045e0b6f863156a385f96a61ef17fb80efa445d4de284e7970949f590bc
sha512 4bcf76d4a947d231a3676407c2c7548bc6d887900f624a21a823cb39fe886f1887dfcf5165ea0dbe6df664dd68313fbb634a9115c7ba55c3e50aa79debf2a67f
ripemd-160 e1fa1b5886355fce72f7dffd6e07dabd43b6f817

78491421 as geometric shapes

Circle

Radius = n
Diameter 156982842
Circumference 493176143.16685
Area 1.9355048140233E+16

Sphere

Radius = n
Volume 2.025606976067E+24
Surface area 7.7420192560931E+16
Circumference 493176143.16685

Square

Length = n
Perimeter 313965684
Area 6160903170599241
Diagonal 111003632.10814

Cube

Length = n
Surface area 36965419023595446
Volume 4.8357804450374E+23
Space diagonal 135951129.13028

Equilateral Triangle

Length = n
Perimeter 235474263
Area 2.6677493279975E+15
Altitude 67975564.565139

Triangular Pyramid

Length = n
Surface area 2.6677493279975E+15
Volume 5.6990219083587E+22
Height 37001210.702712