81129822 (number)

81129822 is an even 8-digits composite number following 81129821 and preceding 81129823. In scientific notation, it is written as 8.1129822 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 27043272 positive integers (up to 81129822) that are relatively prime to 81129822.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred twenty-nine thousand eight hundred twenty-two

Notation

Scientific notation 8.1129822 × 10^7
Engineering notation 8.1129822 × 10^6

Prime Factorization of 81129822

Prime Factorization 2 × 3 × 13521637

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81129822
Product of the distinct prime numbers

The prime factorization of 81129822 is 2 × 3 × 13521637. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81129822)

Multiplication

n×y
n×2 162259644
n×3 243389466
n×4 324519288
n×5 405649110

Division

n÷y
n÷2 40564911
n÷3 27043274
n÷3 20282455.5
n÷5 16225964.4

Exponentiation

ny
n2 6582048017751684
n3 5.3400038407565E+23
n4 4.3323356107989E+31
n5 3.5148161694838E+39

Nth Root

y√n
2√n 9007.2094457718
3√n 432.90590292257
4√n 94.906319314215
5√n 38.180015874264

Divisors of 81129822

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 -81129821
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 81129822 can be divided by 8 positive divisors. The sum of these divisors (counting 81129822) is 1, the average is 0.125.

Base conversion 81129822

Base System Value
2 Binary 100110101011111000101011110
3 Ternary 12122122211012020
4 Quaternary 10311133011132
5 Quinary 131232123242
6 Senary 12014521010
8 Octal 465370536
10 Decimal 81129822
12 Duodecimal 23206166
16 Hexadecimal 4d5f15e
20 Vigesimal 15714b2
36 Base36 1caw66

Cryptographic Hash Functions

md5 fffaa01bb6a9685e12c200b0ad2c8404
sha1 35e09fb8988449748c62e501d3a239e2ec3a7148
sha256 c1c4979953e17d631cc56974e3df96ff5a951761b77c5a22baf7b305edb4b214
sha512 e47b129604af267d30e8b427ddd80f8952234a3a6d8a75e5bbfa08ee8c98aa78248342798be7722b2cdbad6ab8c3c53c355cfa495144924fc2759645ab48fbac
ripemd-160 c2a343e743265c1b22b9cef9a702a6429346e730

81129822 as geometric shapes

Circle

Radius = n
Diameter 162259644
Circumference 509753705.5645
Area 2.0678113698144E+16

Sphere

Radius = n
Volume 2.2368155781682E+24
Surface area 8.2712454792576E+16
Circumference 509753705.5645

Square

Length = n
Perimeter 324519288
Area 6582048017751684
Diagonal 114734894.58532

Cube

Length = n
Surface area 39492288106510104
Volume 5.3400038407565E+23
Space diagonal 140520973.71302

Equilateral Triangle

Length = n
Perimeter 243389466
Area 2.850110396151E+15
Altitude 70260486.85651

Triangular Pyramid

Length = n
Surface area 2.850110396151E+15
Volume 6.2932548789352E+22
Height 38244964.861772