81127629 (number)

81127629 is an odd 8-digits composite number following 81127628 and preceding 81127630. In scientific notation, it is written as 8.1127629 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 49168080 positive integers (up to 81127629) that are relatively prime to 81127629.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred twenty-seven thousand six hundred twenty-nine

Notation

Scientific notation 8.1127629 × 10^7
Engineering notation 8.1127629 × 10^6

Prime Factorization of 81127629

Prime Factorization 33 × 9 × 273157

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81127629
Product of the distinct prime numbers

The prime factorization of 81127629 is 33 × 9 × 273157. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81127629)

Multiplication

n×y
n×2 162255258
n×3 243382887
n×4 324510516
n×5 405638145

Division

n÷y
n÷2 40563814.5
n÷3 27042543
n÷3 20281907.25
n÷5 16225525.8

Exponentiation

ny
n2 6581692187161641
n3 5.3395708195225E+23
n4 4.3318672046545E+31
n5 3.5143411545647E+39

Nth Root

y√n
2√n 9007.0877091322
3√n 432.9020022969
4√n 94.905677960448
5√n 38.179809465133

Divisors of 81127629

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 -81127628
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 81127629 can be divided by 8 positive divisors. The sum of these divisors (counting 81127629) is 1, the average is 0.125.

Base conversion 81127629

Base System Value
2 Binary 100110101011110100011001101
3 Ternary 12122122201012000
4 Quaternary 10311132203031
5 Quinary 131232041004
6 Senary 12014502513
8 Octal 465364315
10 Decimal 81127629
12 Duodecimal 23204a39
16 Hexadecimal 4d5e8cd
20 Vigesimal 1570j19
36 Base36 1cauh9

Cryptographic Hash Functions

md5 fd93a7b99c4a7c0726924d76184132fe
sha1 3930eaf6dce72e0b556c4671a2a01edb98ebd848
sha256 736dc110d2d28a19e71b47b6990b11682f296e0f27d249fc150ff7be5028b3f0
sha512 01d10350b1ecc0c069c4a0796915fcd407303ccbca78c5a557280c174e962a23810900efe758b172ca9da0c8efd6c1caf99dc8d3b87fbbf3a6bf3445baacb635
ripemd-160 d63c8eb90b7a4c2c96c3676bb3ec78585859b422

81127629 as geometric shapes

Circle

Radius = n
Diameter 162255258
Circumference 509739926.53912
Area 2.0676995823376E+16

Sphere

Radius = n
Volume 2.2366341946579E+24
Surface area 8.2707983293505E+16
Circumference 509739926.53912

Square

Length = n
Perimeter 324510516
Area 6581692187161641
Diagonal 114731793.21497

Cube

Length = n
Surface area 39490153122969846
Volume 5.3395708195225E+23
Space diagonal 140517175.3256

Equilateral Triangle

Length = n
Perimeter 243382887
Area 2.8499563169858E+15
Altitude 70258587.662799

Triangular Pyramid

Length = n
Surface area 2.8499563169858E+15
Volume 6.2927445585169E+22
Height 38243931.071658