81322900 (number)

81322900 is an even 8-digits composite number following 81322899 and preceding 81322901. In scientific notation, it is written as 8.1322900 × 10^7. The sum of its digits is 25. It has a total of 6 prime factors and 36 positive divisors. There are 30615040 positive integers (up to 81322900) that are relatively prime to 81322900.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1322900 × 10^7
Engineering notation 8.1322900 × 10^6

Prime Factorization of 81322900

Prime Factorization 2 × 2 × 17 × 5 × 5 × 47837

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 8132290
Product of the distinct prime numbers

The prime factorization of 81322900 is 2 × 2 × 17 × 5 × 5 × 47837. Since it has a total of 6 prime factors.

Most popular turbo-numbers

1, 2, 37, 38, 65, 397, 8046, 8914, 84132, 35763, 558341, 170775, 2819811, 9066213, 47289912, 57151171, 804376142, 922100829, 1623420501, 1621939476

Basic calculations (n = 81322900)

Multiplication

n×y
n×2 162645800
n×3 243968700
n×4 325291600
n×5 406614500

Division

n÷y
n÷2 40661450
n÷3 27107633.333333
n÷3 20330725
n÷5 16264580

Exponentiation

ny
n2 6613414064410000
n3 5.3782201061861E+23
n4 4.3737245587336E+31
n5 3.5568396491744E+39

Nth Root

y√n
2√n 9017.9210464497
3√n 433.24905001164
4√n 94.962735040908
5√n 38.198171253994

Divisors of 81322900

1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 850, 1700, 47837, 95674, 191348, 239185, 478370, 813229, 956740, 1195925, 1626458, 2391850, 3252916, 4066145, 4783700, 8132290, 16264580, 20330725, 40661450, 81322900

36 divisors

τ Total Divisors 36
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81322899
Sum of the proper positive divisors of n
A Arithmetic Mean 0.027777777777778
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 36
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81322900 can be divided by 36 positive divisors. The sum of these divisors (counting 81322900) is 1, the average is 0.027777777777778.

Base conversion 81322900

Base System Value
2 Binary 100110110001110001110010100
3 Ternary 12200000122001021
4 Quaternary 10312032032110
5 Quinary 131304313100
6 Senary 12023010524
8 Octal 466161624
10 Decimal 81322900
12 Duodecimal 23299a44
16 Hexadecimal 4d8e394
20 Vigesimal 1585750
36 Base36 1cf15g

Cryptographic Hash Functions

md5 f9228599ee6eeb4add75674bd17dadeb
sha1 f809ad7d27a7ef497e7b5a2e1fe68004c9b894d5
sha256 552d1d85524379743a023dee08cb1713ec7babda0a9cebe8f723eddff00065b9
sha512 bdc349447e6102a9fc7b15c7194bec5f4078bcdaeb71782b33a9a5872e0a0c57bebb5119ecac930bdfe32422ef075a3a3ac9963dbe0d0887c74f7742dba5da8f
ripemd-160 5787563b4b133787425339745e94342893e77089

81322900 as geometric shapes

Circle

Radius = n
Diameter 162645800
Circumference 510966850.41723
Area 2.0776653039898E+16

Sphere

Radius = n
Volume 2.2528235699977E+24
Surface area 8.3106612159591E+16
Circumference 510966850.41723

Square

Length = n
Perimeter 325291600
Area 6613414064410000
Diagonal 115007948.11151

Cube

Length = n
Surface area 39680484386460000
Volume 5.3782201061861E+23
Space diagonal 140855394.61884

Equilateral Triangle

Length = n
Perimeter 243968700
Area 2.8636922927622E+15
Altitude 70427697.309422

Triangular Pyramid

Length = n
Surface area 2.8636922927622E+15
Volume 6.3382931796634E+22
Height 38335982.703837