81300900 (number)

81300900 is an even 8-digits composite number following 81300899 and preceding 81300901. In scientific notation, it is written as 8.1300900 × 10^7. The sum of its digits is 21. It has a total of 5 prime factors and 24 positive divisors. There are 21680160 positive integers (up to 81300900) that are relatively prime to 81300900.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred thousand nine hundred

Notation

Scientific notation 8.1300900 × 10^7
Engineering notation 8.1300900 × 10^6

Prime Factorization of 81300900

Prime Factorization 2 × 2 × 3 × 25 × 271003

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40650450
Product of the distinct prime numbers

The prime factorization of 81300900 is 2 × 2 × 3 × 25 × 271003. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81300900)

Multiplication

n×y
n×2 162601800
n×3 243902700
n×4 325203600
n×5 406504500

Division

n÷y
n÷2 40650450
n÷3 27100300
n÷3 20325225
n÷5 16260180

Exponentiation

ny
n2 6609836340810000
n3 5.3738564336056E+23
n4 4.3689936452293E+31
n5 3.5520311545142E+39

Nth Root

y√n
2√n 9016.7011706056
3√n 433.20997803751
4√n 94.956311905031
5√n 38.196104306755

Divisors of 81300900

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 -81300899
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 81300900 can be divided by 24 positive divisors. The sum of these divisors (counting 81300900) is 1, the average is 0.041666666666667.

Base conversion 81300900

Base System Value
2 Binary 100110110001000110110100100
3 Ternary 12122222111212110
4 Quaternary 10312020312210
5 Quinary 131303112100
6 Senary 12022321020
8 Octal 466106644
10 Decimal 81300900
12 Duodecimal 23289170
16 Hexadecimal 4d88da4
20 Vigesimal 1582c50
36 Base36 1cek6c

Cryptographic Hash Functions

md5 8434aeffc239a4946de5436ad9f4d6a5
sha1 9086ee7f9f907037ec9ef8ce21dcf1dc0fd23c66
sha256 b8226c496e45a59c8d53c32b65359c4a4d0c06b757983fd9687122e203e5030f
sha512 66524b549754b8fece456a0a7022efbe15a00a17ed76e16b6b49e868c595e9208e0d2948e5b4f87793e4ded6023062109eb8f8efdc91d2e68c3b47de14759105
ripemd-160 a65d7a38b815cfc0dad41c67fb083e8425aec753

81300900 as geometric shapes

Circle

Radius = n
Diameter 162601800
Circumference 510828620.34048
Area 2.076541328972E+16

Sphere

Radius = n
Volume 2.2509957191015E+24
Surface area 8.3061653158878E+16
Circumference 510828620.34048

Square

Length = n
Perimeter 325203600
Area 6609836340810000
Diagonal 114976835.41314

Cube

Length = n
Surface area 39659018044860000
Volume 5.3738564336056E+23
Space diagonal 140817289.50108

Equilateral Triangle

Length = n
Perimeter 243902700
Area 2.8621430929995E+15
Altitude 70408644.750538

Triangular Pyramid

Length = n
Surface area 2.8621430929995E+15
Volume 6.3331505422091E+22
Height 38325611.80438