81172 (number)

81172 is an even 5-digits composite number following 81171 and preceding 81173. In scientific notation, it is written as 8.1172 × 10^4. The sum of its digits is 19. It has a total of 5 prime factors and 24 positive divisors. There are 31968 positive integers (up to 81172) that are relatively prime to 81172.

Interesting facts

Basic properties

Name

Name eighty-one thousand one hundred seventy-two

Notation

Scientific notation 8.1172 × 10^4
Engineering notation 8.1172 × 10^3

Prime Factorization of 81172

Prime Factorization 2 × 2 × 13 × 7 × 223

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40586
Product of the distinct prime numbers

The prime factorization of 81172 is 2 × 2 × 13 × 7 × 223. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 5, 27, 58, 901, 987, 3493, 9736, 97953, 46464, 493486, 799828, 1184966, 3093431, 61051529, 40639834, 915585340, 624566074, 3556981651, 3202059606

Basic calculations (n = 81172)

Multiplication

n×y
n×2 162344
n×3 243516
n×4 324688
n×5 405860

Division

n÷y
n÷2 40586
n÷3 27057.333333333
n÷3 20293
n÷5 16234.4

Exponentiation

ny
n2 6588893584
n3 534833670000448
n4 4.3413518661276E+19
n5 3.5239621367731E+24

Nth Root

y√n
2√n 284.90700237095
3√n 43.298091003849
4√n 16.879188439346
5√n 9.5913833510455

Divisors of 81172

1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 223, 364, 446, 892, 1561, 2899, 3122, 5798, 6244, 11596, 20293, 40586, 81172

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81171
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81172 can be divided by 24 positive divisors. The sum of these divisors (counting 81172) is 1, the average is 0.041666666666667.

Base conversion 81172

Base System Value
2 Binary 10011110100010100
3 Ternary 11010100101
4 Quaternary 103310110
5 Quinary 10044142
6 Senary 1423444
8 Octal 236424
10 Decimal 81172
12 Duodecimal 3ab84
16 Hexadecimal 13d14
20 Vigesimal a2ic
36 Base36 1qms

Cryptographic Hash Functions

md5 b0ea46eb667796c546a057c96e7afba4
sha1 c821ff4f592b390f1dc88589d21788f993146508
sha256 c220b190dee8ee0e656985d7a37b7bd3207079151eb4b7f2a7455a888a6da36e
sha512 9a6b55d540406420a0257f5efcd5b7d872d18c31f01c35f9331d7cef2d163a9bcd37a908d6d4dfdadf4b0157a019055fe1ac3953407ec2619c746b580efe4e08
ripemd-160 806eb73e1452c03fa089d46abba957b2c22dc881

81172 as geometric shapes

Circle

Radius = n
Diameter 162344
Circumference 510018.71775438
Area 20699619678.779

Sphere

Radius = n
Volume 2.2403060380878E+15
Surface area 82798478715.117
Circumference 510018.71775438

Square

Length = n
Perimeter 324688
Area 6588893584
Diagonal 114794.54328495

Cube

Length = n
Surface area 39533361504
Volume 534833670000448
Space diagonal 140594.02815198

Equilateral Triangle

Length = n
Perimeter 243516
Area 2853074613.2881
Altitude 70297.01407599

Triangular Pyramid

Length = n
Surface area 2853074613.2881
Volume 63030752477368
Height 38264.84776165