81301900 (number)

81301900 is an even 8-digits composite number following 81301899 and preceding 81301901. In scientific notation, it is written as 8.1301900 × 10^7. The sum of its digits is 22. It has a total of 5 prime factors and 24 positive divisors. There are 32347840 positive integers (up to 81301900) that are relatively prime to 81301900.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred one thousand nine hundred

Notation

Scientific notation 8.1301900 × 10^7
Engineering notation 8.1301900 × 10^6

Prime Factorization of 81301900

Prime Factorization 2 × 2 × 25 × 197 × 4127

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40650950
Product of the distinct prime numbers

The prime factorization of 81301900 is 2 × 2 × 25 × 197 × 4127. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 3, 24, 68, 363, 482, 139, 4955, 55489, 54700, 820142, 558870, 5250953, 1066937, 23286926, 80567275, 541787824, 707633873, 4384849159, 7405509926

Basic calculations (n = 81301900)

Multiplication

n×y
n×2 162603800
n×3 243905700
n×4 325207600
n×5 406509500

Division

n÷y
n÷2 40650950
n÷3 27100633.333333
n÷3 20325475
n÷5 16260380

Exponentiation

ny
n2 6609998943610000
n3 5.3740547311349E+23
n4 4.3692086034525E+31
n5 3.5522496095704E+39

Nth Root

y√n
2√n 9016.7566230879
3√n 433.21175418924
4√n 94.956603894031
5√n 38.196198268608

Divisors of 81301900

1, 2, 4, 25, 50, 100, 197, 394, 788, 4127, 4925, 8254, 9850, 16508, 19700, 103175, 206350, 412700, 813019, 1626038, 3252076, 20325475, 40650950, 81301900

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 -81301899
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 81301900 can be divided by 24 positive divisors. The sum of these divisors (counting 81301900) is 1, the average is 0.041666666666667.

Base conversion 81301900

Base System Value
2 Binary 100110110001001000110001100
3 Ternary 12122222120020111
4 Quaternary 10312021012030
5 Quinary 131303130100
6 Senary 12022325404
8 Octal 466110614
10 Decimal 81301900
12 Duodecimal 23289864
16 Hexadecimal 4d8918c
20 Vigesimal 1582ef0
36 Base36 1ceky4

Cryptographic Hash Functions

md5 ebadbc9739898dc313530ef461fe2d96
sha1 beb2d333185b145b0cd112a10dd2fb537598affc
sha256 6f437e66133486f690f35859aa476c8f1e333c3817eda408347133ae97ac0d14
sha512 b872dcffbba849a51c5cc9d0834c0ae6fadd6757670bde83dcd2671e3fd2a5cf9f924424b49a206de206c2a9a44931c0d0b6a641945fa9f9517c97da4685b82e
ripemd-160 4f29147cd23a5b6273239f1f64a8cc96c9af2a36

81301900 as geometric shapes

Circle

Radius = n
Diameter 162603800
Circumference 510834903.52578
Area 2.0765924121481E+16

Sphere

Radius = n
Volume 2.2510787817764E+24
Surface area 8.3063696485926E+16
Circumference 510834903.52578

Square

Length = n
Perimeter 325207600
Area 6609998943610000
Diagonal 114978249.6267

Cube

Length = n
Surface area 39659993661660000
Volume 5.3740547311349E+23
Space diagonal 140819021.55188

Equilateral Triangle

Length = n
Perimeter 243905700
Area 2.8622135020773E+15
Altitude 70409510.775942

Triangular Pyramid

Length = n
Surface area 2.8622135020773E+15
Volume 6.3333842380885E+22
Height 38326083.2089