81244982 (number)

81244982 is an even 8-digits composite number following 81244981 and preceding 81244983. In scientific notation, it is written as 8.1244982 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 32140800 positive integers (up to 81244982) that are relatively prime to 81244982.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred forty-four thousand nine hundred eighty-two

Notation

Scientific notation 8.1244982 × 10^7
Engineering notation 8.1244982 × 10^6

Prime Factorization of 81244982

Prime Factorization 2 × 13 × 7 × 446401

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81244982
Product of the distinct prime numbers

The prime factorization of 81244982 is 2 × 13 × 7 × 446401. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 10, 88, 9, 335, 788, 7785, 3854, 21611, 32513, 669624, 374337, 1178650, 2928905, 69479375, 74730495, 425704351, 818944898, 185761171, 9615535345

Basic calculations (n = 81244982)

Multiplication

n×y
n×2 162489964
n×3 243734946
n×4 324979928
n×5 406224910

Division

n÷y
n÷2 40622491
n÷3 27081660.666667
n÷3 20311245.5
n÷5 16248996.4

Exponentiation

ny
n2 6600747100180324
n3 5.362775793407E+23
n4 4.3569862280539E+31
n5 3.5398326767249E+39

Nth Root

y√n
2√n 9013.5998358037
3√n 433.11063599903
4√n 94.939980175918
5√n 38.190848675857

Divisors of 81244982

1, 2, 7, 13, 14, 26, 91, 182, 446401, 892802, 3124807, 5803213, 6249614, 11606426, 40622491, 81244982

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 -81244981
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 81244982 can be divided by 16 positive divisors. The sum of these divisors (counting 81244982) is 1, the average is 0.0625.

Base conversion 81244982

Base System Value
2 Binary 100110101111011001100110110
3 Ternary 12122212200011102
4 Quaternary 10311323030312
5 Quinary 131244314412
6 Senary 12021210102
8 Octal 465731466
10 Decimal 81244982
12 Duodecimal 23260932
16 Hexadecimal 4d7b336
20 Vigesimal 157fc92
36 Base36 1cdd12

Cryptographic Hash Functions

md5 6df1c329bc6e7bc32b51543504341cb5
sha1 c46cadf9652d4ee66168f841d5fd1ac8ed6d1ffe
sha256 a2b47cc3046803aeaf5eb28d349187a2e711a85f96dd913c8a865e0c36540319
sha512 bd1896e0a806923d79d541b7d743962b9266f552e0e71284d9501cb962626413b19ad6743d9ca0a864f4ec6802eebb235b9fed041d3d56baf31c6380831cc3e4
ripemd-160 6f887cd83c2b201ece684075b8f6d2ed1c619c0e

81244982 as geometric shapes

Circle

Radius = n
Diameter 162489964
Circumference 510477277.18447
Area 2.0736858598131E+16

Sphere

Radius = n
Volume 2.2463542713889E+24
Surface area 8.2947434392523E+16
Circumference 510477277.18447

Square

Length = n
Perimeter 324979928
Area 6600747100180324
Diagonal 114897755.41916

Cube

Length = n
Surface area 39604482601081944
Volume 5.362775793407E+23
Space diagonal 140720436.68402

Equilateral Triangle

Length = n
Perimeter 243734946
Area 2.8582073363563E+15
Altitude 70360218.342009

Triangular Pyramid

Length = n
Surface area 2.8582073363563E+15
Volume 6.320091882502E+22
Height 38299251.806386