81498982 (number)

81498982 is an even 8-digits composite number following 81498981 and preceding 81498983. In scientific notation, it is written as 8.1498982 × 10^7. The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors. There are 38977752 positive integers (up to 81498982) that are relatively prime to 81498982.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred ninety-eight thousand nine hundred eighty-two

Notation

Scientific notation 8.1498982 × 10^7
Engineering notation 8.1498982 × 10^6

Prime Factorization of 81498982

Prime Factorization 2 × 23 × 1771717

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81498982
Product of the distinct prime numbers

The prime factorization of 81498982 is 2 × 23 × 1771717. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81498982)

Multiplication

n×y
n×2 162997964
n×3 244496946
n×4 325995928
n×5 407494910

Division

n÷y
n÷2 40749491
n÷3 27166327.333333
n÷3 20374745.5
n÷5 16299796.4

Exponentiation

ny
n2 6642084067036324
n3 5.4132308982188E+23
n4 4.4117280753578E+31
n5 3.5955134700248E+39

Nth Root

y√n
2√n 9027.6786606525
3√n 433.56151782293
4√n 95.014097168012
5√n 38.214698437922

Divisors of 81498982

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 -81498981
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 81498982 can be divided by 8 positive divisors. The sum of these divisors (counting 81498982) is 1, the average is 0.125.

Base conversion 81498982

Base System Value
2 Binary 100110110111001001101100110
3 Ternary 12200100120120211
4 Quaternary 10312321031212
5 Quinary 131330431412
6 Senary 12030450034
8 Octal 466711546
10 Decimal 81498982
12 Duodecimal 2336391a
16 Hexadecimal 4db9366
20 Vigesimal 1597792
36 Base36 1cit0m

Cryptographic Hash Functions

md5 8b85ac9516853c2a3d4e7949c7309857
sha1 ccc17950748e4fc274ebf47e1338e6aba5b8123e
sha256 d6f1e27811275bcb507645ead84b32819b18dec4c243496b99ea048fe6d9e439
sha512 ed9f58128a866675923aa98341f211263ddf86d2648b8222697c265635085fc1a4a004db97f91987aa5e4fd61685e37860ca24961176215abb542a1bb26d841c
ripemd-160 82f15de5d1d2a5240102f5bb3ace8c0fb089aae7

81498982 as geometric shapes

Circle

Radius = n
Diameter 162997964
Circumference 512073206.25249
Area 2.0866722509527E+16

Sphere

Radius = n
Volume 2.2674888562706E+24
Surface area 8.3466890038109E+16
Circumference 512073206.25249

Square

Length = n
Perimeter 325995928
Area 6642084067036324
Diagonal 115256965.664

Cube

Length = n
Surface area 39852504402217944
Volume 5.4132308982188E+23
Space diagonal 141160377.58914

Equilateral Triangle

Length = n
Perimeter 244496946
Area 2.8761067680627E+15
Altitude 70580188.794571

Triangular Pyramid

Length = n
Surface area 2.8761067680627E+15
Volume 6.3795537937651E+22
Height 38418988.554667