81497454 (number)

81497454 is an even 8-digits composite number following 81497453 and preceding 81497455. In scientific notation, it is written as 8.1497454 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 27134720 positive integers (up to 81497454) that are relatively prime to 81497454.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred ninety-seven thousand four hundred fifty-four

Notation

Scientific notation 8.1497454 × 10^7
Engineering notation 8.1497454 × 10^6

Prime Factorization of 81497454

Prime Factorization 2 × 3 × 929 × 14621

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81497454
Product of the distinct prime numbers

The prime factorization of 81497454 is 2 × 3 × 929 × 14621. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 1, 29, 100, 974, 50, 9912, 3144, 73721, 8882, 243288, 453154, 1420221, 5615604, 2203852, 5237902, 835346900, 924067137, 5831967045, 668036914

Basic calculations (n = 81497454)

Multiplication

n×y
n×2 162994908
n×3 244492362
n×4 325989816
n×5 407487270

Division

n÷y
n÷2 40748727
n÷3 27165818
n÷3 20374363.5
n÷5 16299490.8

Exponentiation

ny
n2 6641835008482116
n3 5.4129264307936E+23
n4 4.4113972279899E+31
n5 3.5951764266383E+39

Nth Root

y√n
2√n 9027.5940316343
3√n 433.55880823432
4√n 95.01365181717
5√n 38.21455514166

Divisors of 81497454

1, 2, 3, 6, 929, 1858, 2787, 5574, 14621, 29242, 43863, 87726, 13582909, 27165818, 40748727, 81497454

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 -81497453
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 81497454 can be divided by 16 positive divisors. The sum of these divisors (counting 81497454) is 1, the average is 0.0625.

Base conversion 81497454

Base System Value
2 Binary 100110110111000110101101110
3 Ternary 12200100111111020
4 Quaternary 10312320311232
5 Quinary 131330404304
6 Senary 12030435010
8 Octal 466706556
10 Decimal 81497454
12 Duodecimal 23362a66
16 Hexadecimal 4db8d6e
20 Vigesimal 15973ce
36 Base36 1ciru6

Cryptographic Hash Functions

md5 7bef3bbdd6a2b60c1b92f80cda9c76aa
sha1 291377df620a6fb223730783eb31c211c204d8a5
sha256 14eba5721c5ebf60c593c61c7f835daf4c671eb2b05738562cbf04f65b0e2482
sha512 5c9bf6871bf2471ae0328b56d2d3c16a7dcdafeb2f56f5e0118a2cb56a2f330aeb5d709fb154907aaebca5c57d9ba2332f9bb9ed0f97c44c2a6842ff85f2384c
ripemd-160 844e046bf0d71c90aedd3437274546b09fa15482

81497454 as geometric shapes

Circle

Radius = n
Diameter 162994908
Circumference 512063605.54534
Area 2.0865940069003E+16

Sphere

Radius = n
Volume 2.2673613212538E+24
Surface area 8.3463760276012E+16
Circumference 512063605.54534

Square

Length = n
Perimeter 325989816
Area 6641835008482116
Diagonal 115254804.74568

Cube

Length = n
Surface area 39851010050892696
Volume 5.4129264307936E+23
Space diagonal 141157731.01551

Equilateral Triangle

Length = n
Perimeter 244492362
Area 2.8759989225452E+15
Altitude 70578865.507754

Triangular Pyramid

Length = n
Surface area 2.8759989225452E+15
Volume 6.3791949754634E+22
Height 38418268.248559