81072549 (number)

81072549 is an odd 8-digits composite number following 81072548 and preceding 81072550. In scientific notation, it is written as 8.1072549 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 53131248 positive integers (up to 81072549) that are relatively prime to 81072549.

Interesting facts

Basic properties

Name

Name eighty-one million seventy-two thousand five hundred forty-nine

Notation

Scientific notation 8.1072549 × 10^7
Engineering notation 8.1072549 × 10^6

Prime Factorization of 81072549

Prime Factorization 9 × 3 × 59 × 50893

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81072549
Product of the distinct prime numbers

The prime factorization of 81072549 is 9 × 3 × 59 × 50893. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 4, 74, 81, 928, 176, 8308, 4510, 51558, 89721, 227256, 194406, 494975, 6319701, 22345225, 70612692, 227244080, 280817689, 1014783134, 8632825171

Basic calculations (n = 81072549)

Multiplication

n×y
n×2 162145098
n×3 243217647
n×4 324290196
n×5 405362745

Division

n÷y
n÷2 40536274.5
n÷3 27024183
n÷3 20268137.25
n÷5 16214509.8

Exponentiation

ny
n2 6572758201357401
n3 5.328702613447E+23
n4 4.3201150373511E+31
n5 3.5024273805128E+39

Nth Root

y√n
2√n 9004.0295979078
3√n 432.80401003126
4√n 94.889565274101
5√n 38.174623771271

Divisors of 81072549

1, 3, 9, 27, 59, 177, 531, 1593, 50893, 152679, 458037, 1374111, 3002687, 9008061, 27024183, 81072549

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 -81072548
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 81072549 can be divided by 16 positive divisors. The sum of these divisors (counting 81072549) is 1, the average is 0.0625.

Base conversion 81072549

Base System Value
2 Binary 100110101010001000110100101
3 Ternary 12122112220122000
4 Quaternary 10311101012211
5 Quinary 131223310144
6 Senary 12013355513
8 Octal 465210645
10 Decimal 81072549
12 Duodecimal 23198b99
16 Hexadecimal 4d511a5
20 Vigesimal 156e179
36 Base36 1c9nz9

Cryptographic Hash Functions

md5 d75fe64737e9177787962eb3e17fb601
sha1 a008c67a908b9059368f5f8e80faa40e2e4a4fd2
sha256 21525d38be72478ecd5371da5976b5c09f157e1c9877247f4b9a13f5954d76f9
sha512 58cd292d5277438f078f4277b41b966500ad86ae1a829dec535125d7e00a87ddf5bdf025df03d1fb76b0f5293de8565129d6ac7ca7f1a92d36cfd305f4f385cd
ripemd-160 f615b3c0ad5a27c4850b14b7a4bfdeda32ea6543

81072549 as geometric shapes

Circle

Radius = n
Diameter 162145098
Circumference 509393848.6924
Area 2.0648928879206E+16

Sphere

Radius = n
Volume 2.2320817311426E+24
Surface area 8.2595715516826E+16
Circumference 509393848.6924

Square

Length = n
Perimeter 324290196
Area 6572758201357401
Diagonal 114653898.33196

Cube

Length = n
Surface area 39436549208144406
Volume 5.328702613447E+23
Space diagonal 140421773.96712

Equilateral Triangle

Length = n
Perimeter 243217647
Area 2.846087787654E+15
Altitude 70210886.983559

Triangular Pyramid

Length = n
Surface area 2.846087787654E+15
Volume 6.2799362548248E+22
Height 38217966.110652