81492562 (number)

81492562 is an even 8-digits composite number following 81492561 and preceding 81492563. In scientific notation, it is written as 8.1492562 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 40746280 positive integers (up to 81492562) that are relatively prime to 81492562.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred ninety-two thousand five hundred sixty-two

Notation

Scientific notation 8.1492562 × 10^7
Engineering notation 8.1492562 × 10^6

Prime Factorization of 81492562

Prime Factorization 2 × 40746281

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81492562
Product of the distinct prime numbers

The prime factorization of 81492562 is 2 × 40746281. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81492562)

Multiplication

n×y
n×2 162985124
n×3 244477686
n×4 325970248
n×5 407462810

Division

n÷y
n÷2 40746281
n÷3 27164187.333333
n÷3 20373140.5
n÷5 16298512.4

Exponentiation

ny
n2 6641037661323844
n3 5.4119517335977E+23
n4 4.4103381219122E+31
n5 3.5940975284089E+39

Nth Root

y√n
2√n 9027.3230805151
3√n 433.55013306708
4√n 95.012225952848
5√n 38.214096354095

Divisors of 81492562

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 -81492561
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 81492562 can be divided by 4 positive divisors. The sum of these divisors (counting 81492562) is 1, the average is 0.25.

Base conversion 81492562

Base System Value
2 Binary 100110110110111101001010010
3 Ternary 12200100020210001
4 Quaternary 10312313221102
5 Quinary 131330230222
6 Senary 12030400214
8 Octal 466675122
10 Decimal 81492562
12 Duodecimal 2336006a
16 Hexadecimal 4db7a52
20 Vigesimal 1596b82
36 Base36 1cio2a

Cryptographic Hash Functions

md5 24d946a42a9f51333e3ff53acb233ce3
sha1 cfec1f39790c9306d4b28f22856b495c7a082419
sha256 0043a8a3faf1056773f34c7978b8dbbb7df3336f62c4074c9679a55cf9ede0c5
sha512 ea36a737846bae99ee0beb9488840c79f5c8e708b80e225553c39e34f29ef438d6b39ab268d6a2b98d5347fbc79c57564b667da8dc4d8a9250c455eae4180d9d
ripemd-160 8bf88fc66d6b1d85848f0a21340956a60a213a37

81492562 as geometric shapes

Circle

Radius = n
Diameter 162985124
Circumference 512032868.20282
Area 2.0863435129028E+16

Sphere

Radius = n
Volume 2.2669530410471E+24
Surface area 8.3453740516113E+16
Circumference 512032868.20282

Square

Length = n
Perimeter 325970248
Area 6641037661323844
Diagonal 115247886.41293

Cube

Length = n
Surface area 39846225967943064
Volume 5.4119517335977E+23
Space diagonal 141149257.82296

Equilateral Triangle

Length = n
Perimeter 244477686
Area 2.8756536610978E+15
Altitude 70574628.911478

Triangular Pyramid

Length = n
Surface area 2.8756536610978E+15
Volume 6.378046283802E+22
Height 38415962.137643