81330149 (number)

81330149 is an odd 8-digits composite number following 81330148 and preceding 81330150. In scientific notation, it is written as 8.1330149 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 80524800 positive integers (up to 81330149) that are relatively prime to 81330149.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred thirty thousand one hundred forty-nine

Notation

Scientific notation 8.1330149 × 10^7
Engineering notation 8.1330149 × 10^6

Prime Factorization of 81330149

Prime Factorization 101 × 805249

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81330149
Product of the distinct prime numbers

The prime factorization of 81330149 is 101 × 805249. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81330149)

Multiplication

n×y
n×2 162660298
n×3 243990447
n×4 325320596
n×5 406650745

Division

n÷y
n÷2 40665074.5
n÷3 27110049.666667
n÷3 20332537.25
n÷5 16266029.8

Exponentiation

ny
n2 6614593136362201
n3 5.3796584535472E+23
n4 4.375284235961E+31
n5 3.5584251882806E+39

Nth Root

y√n
2√n 9018.3229593977
3√n 433.26192268363
4√n 94.964851178727
5√n 38.198852215128

Divisors of 81330149

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 -81330148
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 81330149 can be divided by 4 positive divisors. The sum of these divisors (counting 81330149) is 1, the average is 0.25.

Base conversion 81330149

Base System Value
2 Binary 100110110001111111111100101
3 Ternary 12200000222222202
4 Quaternary 10312033333211
5 Quinary 131310031044
6 Senary 12023104245
8 Octal 466177745
10 Decimal 81330149
12 Duodecimal 232a2085
16 Hexadecimal 4d8ffe5
20 Vigesimal 1586579
36 Base36 1cf6qt

Cryptographic Hash Functions

md5 f4f06179c0cbb6c471aa5f99719b14f4
sha1 f85ed383fa1d8e8a479fb5d1b302ccf3bc16da4a
sha256 ea85e226819de637d82df008fee6eeeeed1aba656227f0b806c63813f45ae88d
sha512 a0fd298505c4ebdd781b7eee93776ff15b8848a3c30888d9022344f066ae776307fa52d0cace21f114ef196097034bc395b6d384e0216d74b4e0dc08a7b7a739
ripemd-160 52bc01ee41c1d08394fb2066ed46bfab5b65fb47

81330149 as geometric shapes

Circle

Radius = n
Diameter 162660298
Circumference 511012397.22753
Area 2.0780357203681E+16

Sphere

Radius = n
Volume 2.2534260635315E+24
Surface area 8.3121428814724E+16
Circumference 511012397.22753

Square

Length = n
Perimeter 325320596
Area 6614593136362201
Diagonal 115018199.74562

Cube

Length = n
Surface area 39687558818173206
Volume 5.3796584535472E+23
Space diagonal 140867950.25515

Equilateral Triangle

Length = n
Perimeter 243990447
Area 2.8642028458939E+15
Altitude 70433975.127574

Triangular Pyramid

Length = n
Surface area 2.8642028458939E+15
Volume 6.3399882882845E+22
Height 38339399.915208