81121172 (number)

81121172 is an even 8-digits composite number following 81121171 and preceding 81121173. In scientific notation, it is written as 8.1121172 × 10^7. The sum of its digits is 23. It has a total of 4 prime factors and 12 positive divisors. There are 35683200 positive integers (up to 81121172) that are relatively prime to 81121172.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred twenty-one thousand one hundred seventy-two

Notation

Scientific notation 8.1121172 × 10^7
Engineering notation 8.1121172 × 10^6

Prime Factorization of 81121172

Prime Factorization 2 × 2 × 341 × 59473

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 40560586
Product of the distinct prime numbers

The prime factorization of 81121172 is 2 × 2 × 341 × 59473. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 7, 59, 63, 275, 262, 1895, 1751, 98512, 52066, 566360, 559703, 4700032, 792992, 28717370, 22033779, 724019893, 230881202, 6725368320, 6545365430

Basic calculations (n = 81121172)

Multiplication

n×y
n×2 162242344
n×3 243363516
n×4 324484688
n×5 405605860

Division

n÷y
n÷2 40560586
n÷3 27040390.666667
n÷3 20280293
n÷5 16224234.4

Exponentiation

ny
n2 6580644546653584
n3 5.3382959813995E+23
n4 4.3304882649402E+31
n5 3.5129428338419E+39

Nth Root

y√n
2√n 9006.7292620573
3√n 432.89051700956
4√n 94.903789503145
5√n 38.179201694682

Divisors of 81121172

1, 2, 4, 341, 682, 1364, 59473, 118946, 237892, 20280293, 40560586, 81121172

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81121171
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81121172 can be divided by 12 positive divisors. The sum of these divisors (counting 81121172) is 1, the average is 0.083333333333333.

Base conversion 81121172

Base System Value
2 Binary 100110101011100111110010100
3 Ternary 12122122101022212
4 Quaternary 10311130332110
5 Quinary 131231334142
6 Senary 12014412552
8 Octal 465347624
10 Decimal 81121172
12 Duodecimal 23201158
16 Hexadecimal 4d5cf94
20 Vigesimal 15702ic
36 Base36 1caphw

Cryptographic Hash Functions

md5 5a76d654e3518697884df89f6f3c2c50
sha1 96d7a5526ff1eadb2465a66c09d21924ec7a2fa6
sha256 e831507d49d47fab2384e63051c2f6bd90d1eb2b0020b1d11226e96e8d634ad8
sha512 9bb78be21dd43bdae800a53d1e35f6fd166817674551044d46b5fba0eb69d902bcbc945e79f4d78f3e5ef9d7d8ccfbcb8a59a52e6e368d97dd1487d920f5e1e3
ripemd-160 0e17a83ad1472bbb68e1c93ff9dc8cc829499413

81121172 as geometric shapes

Circle

Radius = n
Diameter 162242344
Circumference 509699356.01159
Area 2.0673704563653E+16

Sphere

Radius = n
Volume 2.2361001917137E+24
Surface area 8.2694818254611E+16
Circumference 509699356.01159

Square

Length = n
Perimeter 324484688
Area 6580644546653584
Diagonal 114722661.638

Cube

Length = n
Surface area 39483867279921504
Volume 5.3382959813995E+23
Space diagonal 140505991.47353

Equilateral Triangle

Length = n
Perimeter 243363516
Area 2.8495026753388E+15
Altitude 70252995.736767

Triangular Pyramid

Length = n
Surface area 2.8495026753388E+15
Volume 6.2912421473808E+22
Height 38240887.212667