81458462 (number)

81458462 is an even 8-digits composite number following 81458461 and preceding 81458463. In scientific notation, it is written as 8.1458462 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 40678200 positive integers (up to 81458462) that are relatively prime to 81458462.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred fifty-eight thousand four hundred sixty-two

Notation

Scientific notation 8.1458462 × 10^7
Engineering notation 8.1458462 × 10^6

Prime Factorization of 81458462

Prime Factorization 2 × 811 × 50221

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81458462
Product of the distinct prime numbers

The prime factorization of 81458462 is 2 × 811 × 50221. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81458462)

Multiplication

n×y
n×2 162916924
n×3 244375386
n×4 325833848
n×5 407292310

Division

n÷y
n÷2 40729231
n÷3 27152820.666667
n÷3 20364615.5
n÷5 16291692.4

Exponentiation

ny
n2 6635481031405444
n3 5.4051607944846E+23
n4 4.4029608518141E+31
n5 3.5865841923499E+39

Nth Root

y√n
2√n 9025.434172382
3√n 433.48965261034
4√n 95.002285090317
5√n 38.210897733711

Divisors of 81458462

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 -81458461
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 81458462 can be divided by 8 positive divisors. The sum of these divisors (counting 81458462) is 1, the average is 0.125.

Base conversion 81458462

Base System Value
2 Binary 100110110101111010100011110
3 Ternary 12200021112000002
4 Quaternary 10312233110132
5 Quinary 131323132322
6 Senary 12025534302
8 Octal 466572436
10 Decimal 81458462
12 Duodecimal 23344392
16 Hexadecimal 4daf51e
20 Vigesimal 1592632
36 Base36 1chxr2

Cryptographic Hash Functions

md5 18ca9ff691caa61d6ce4534c04448391
sha1 36f5383e9de75b4aaa4b31dcf9fb69a487ec35bf
sha256 b8052cad73f0fe026822ba44e701d58df2abeba48f1dadd971d7edd8adbd3ab2
sha512 13541c5457972156ecfd22233fb9205238fb90993b3d2cb6f73540058a04ec22bfe4da11d03a365da00c3f1239e155eb826799a7329107152457117ed709ab94
ripemd-160 58961c2d97bbc6c18a880c6045d41747d9d5b966

81458462 as geometric shapes

Circle

Radius = n
Diameter 162916924
Circumference 511818611.58385
Area 2.0845978461298E+16

Sphere

Radius = n
Volume 2.2641084591233E+24
Surface area 8.3383913845191E+16
Circumference 511818611.58385

Square

Length = n
Perimeter 325833848
Area 6635481031405444
Diagonal 115199661.73045

Cube

Length = n
Surface area 39812886188432664
Volume 5.4051607944846E+23
Space diagonal 141090194.89042

Equilateral Triangle

Length = n
Perimeter 244375386
Area 2.8732475697634E+15
Altitude 70545097.445209

Triangular Pyramid

Length = n
Surface area 2.8732475697634E+15
Volume 6.3700430853062E+22
Height 38399887.243484