81490802 (number)

81490802 is an even 8-digits composite number following 81490801 and preceding 81490803. In scientific notation, it is written as 8.1490802 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 40390272 positive integers (up to 81490802) that are relatively prime to 81490802.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1490802 × 10^7
Engineering notation 8.1490802 × 10^6

Prime Factorization of 81490802

Prime Factorization 2 × 373 × 349 × 313

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81490802
Product of the distinct prime numbers

The prime factorization of 81490802 is 2 × 373 × 349 × 313. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 9, 48, 48, 911, 747, 3201, 533, 68815, 54273, 444678, 472687, 4007011, 1586108, 29351462, 88615755, 203101914, 803107507, 4980888574, 2741753692

Basic calculations (n = 81490802)

Multiplication

n×y
n×2 162981604
n×3 244472406
n×4 325963208
n×5 407454010

Division

n÷y
n÷2 40745401
n÷3 27163600.666667
n÷3 20372700.5
n÷5 16298160.4

Exponentiation

ny
n2 6640750810603204
n3 5.4116010943821E+23
n4 4.4099571328527E+31
n5 3.5937094354179E+39

Nth Root

y√n
2√n 9027.2255981558
3√n 433.54701190809
4√n 95.011712952435
5√n 38.213931290219

Divisors of 81490802

1, 2, 313, 349, 373, 626, 698, 746, 109237, 116749, 130177, 218474, 233498, 260354, 40745401, 81490802

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 -81490801
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 81490802 can be divided by 16 positive divisors. The sum of these divisors (counting 81490802) is 1, the average is 0.0625.

Base conversion 81490802

Base System Value
2 Binary 100110110110111001101110010
3 Ternary 12200100011100212
4 Quaternary 10312313031302
5 Quinary 131330201202
6 Senary 12030344122
8 Octal 466671562
10 Decimal 81490802
12 Duodecimal 2335b042
16 Hexadecimal 4db7372
20 Vigesimal 1596702
36 Base36 1cimpe

Cryptographic Hash Functions

md5 2e06ccebb0700e21132a92dd9217e9ef
sha1 05b731ece5f980af0a59569fad94598fdbd28b2b
sha256 03485bb37d0f75c0710c99273717f1ccca74353434c535b13ccbcb88d701e8af
sha512 e5cff11f636ec36d35c164ecf94ac13fdb10ee9edc01a3e8bc5c02c44c3d4cd097e00349cc4b24f096fa6048500c232da60881ff2d62072ec2a6756e7ebe5502
ripemd-160 de7a77f8af0342785b727a6bef191b41a44a1854

81490802 as geometric shapes

Circle

Radius = n
Diameter 162981604
Circumference 512021809.79668
Area 2.0862533960911E+16

Sphere

Radius = n
Volume 2.2668061656359E+24
Surface area 8.3450135843646E+16
Circumference 512021809.79668

Square

Length = n
Perimeter 325963208
Area 6640750810603204
Diagonal 115245397.39706

Cube

Length = n
Surface area 39844504863619224
Volume 5.4116010943821E+23
Space diagonal 141146209.41354

Equilateral Triangle

Length = n
Perimeter 244472406
Area 2.8755294510922E+15
Altitude 70573104.706768

Triangular Pyramid

Length = n
Surface area 2.8755294510922E+15
Volume 6.3776330515235E+22
Height 38415132.465687