81222 (number)

81222 is an even 5-digits composite number following 81221 and preceding 81223. In scientific notation, it is written as 8.1222 × 10^4. The sum of its digits is 15. It has a total of 3 prime factors and 8 positive divisors. There are 27072 positive integers (up to 81222) that are relatively prime to 81222.

Interesting facts

Basic properties

Name

Name eighty-one thousand two hundred twenty-two

Notation

Scientific notation 8.1222 × 10^4
Engineering notation 8.1222 × 10^3

Prime Factorization of 81222

Prime Factorization 2 × 3 × 13537

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81222
Product of the distinct prime numbers

The prime factorization of 81222 is 2 × 3 × 13537. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81222)

Multiplication

n×y
n×2 162444
n×3 243666
n×4 324888
n×5 406110

Division

n÷y
n÷2 40611
n÷3 27074
n÷3 20305.5
n÷5 16244.4

Exponentiation

ny
n2 6597013284
n3 535822612953048
n4 4.3520584269272E+19
n5 3.5348288955188E+24

Nth Root

y√n
2√n 284.99473679351
3√n 43.306979373371
4√n 16.881787132691
5√n 9.5925646723139

Divisors of 81222

1, 2, 3, 6, 13537, 27074, 40611, 81222

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 -81221
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 81222 can be divided by 8 positive divisors. The sum of these divisors (counting 81222) is 1, the average is 0.125.

Base conversion 81222

Base System Value
2 Binary 10011110101000110
3 Ternary 11010102020
4 Quaternary 103311012
5 Quinary 10044342
6 Senary 1424010
8 Octal 236506
10 Decimal 81222
12 Duodecimal 3b006
16 Hexadecimal 13d46
20 Vigesimal a312
36 Base36 1qo6

Cryptographic Hash Functions

md5 2ec65be41c22f912746627f88ffadf5b
sha1 45194ca1baafcef7db41049be3ad146524bd43a2
sha256 fc7f430cbcff9e134bc5c1af819a0f48175c5309b758613ab3ec2659d8107872
sha512 8150b24182ef1d132e419c0eb56f38b274a3e7f31948cc5e949fe4fae130ba05c158bad0515c330e3957f5e829199a1c0c265661e9d9b768a690576e10c613ff
ripemd-160 5d84896b838272973dec4b86f1fd7c9f8d8906ed

81222 as geometric shapes

Circle

Radius = n
Diameter 162444
Circumference 510332.87701974
Area 20725128468.649

Sphere

Radius = n
Volume 2.2444485126408E+15
Surface area 82900513874.595
Circumference 510332.87701974

Square

Length = n
Perimeter 324888
Area 6597013284
Diagonal 114865.25396307

Cube

Length = n
Surface area 39582079704
Volume 535822612953048
Space diagonal 140680.63069236

Equilateral Triangle

Length = n
Perimeter 243666
Area 2856590546.5237
Altitude 70340.31534618

Triangular Pyramid

Length = n
Surface area 2856590546.5237
Volume 63147300522033
Height 38288.417987689