81301910 (number)

81301910 is an even 8-digits composite number following 81301909 and preceding 81301911. In scientific notation, it is written as 8.1301910 × 10^7. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 32520760 positive integers (up to 81301910) that are relatively prime to 81301910.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred one thousand nine hundred ten

Notation

Scientific notation 8.1301910 × 10^7
Engineering notation 8.1301910 × 10^6

Prime Factorization of 81301910

Prime Factorization 2 × 5 × 8130191

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81301910
Product of the distinct prime numbers

The prime factorization of 81301910 is 2 × 5 × 8130191. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81301910)

Multiplication

n×y
n×2 162603820
n×3 243905730
n×4 325207640
n×5 406509550

Division

n÷y
n÷2 40650955
n÷3 27100636.666667
n÷3 20325477.5
n÷5 16260382

Exponentiation

ny
n2 6610000569648100
n3 5.3740567141348E+23
n4 4.3692107530748E+31
n5 3.5522517941752E+39

Nth Root

y√n
2√n 9016.757177611
3√n 433.21177195068
4√n 94.956606813908
5√n 38.196199208222

Divisors of 81301910

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 -81301909
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 81301910 can be divided by 8 positive divisors. The sum of these divisors (counting 81301910) is 1, the average is 0.125.

Base conversion 81301910

Base System Value
2 Binary 100110110001001000110010110
3 Ternary 12122222120020212
4 Quaternary 10312021012112
5 Quinary 131303130120
6 Senary 12022325422
8 Octal 466110626
10 Decimal 81301910
12 Duodecimal 23289872
16 Hexadecimal 4d89196
20 Vigesimal 1582efa
36 Base36 1cekye

Cryptographic Hash Functions

md5 87c5b572db989c14dd4fa14d3d49e8bb
sha1 fd7d94deeb80f423d83d1530915b18adec59a316
sha256 6b9530c951fc84ff885e0f4aab4713332d63902697f5ac8729546bd3b392afdf
sha512 ccee39403b8d3123dc98b6f87b8260e2ed70727b5149ef8bdef74708222d97f48baef510ed8f28b0f1fde04e7f0cd01bb4243105eeaef54a0eae0658452dc159
ripemd-160 1143001e13fc80c5a8d0f96b8835c96f2e59690f

81301910 as geometric shapes

Circle

Radius = n
Diameter 162603820
Circumference 510834966.35764
Area 2.0765929229831E+16

Sphere

Radius = n
Volume 2.2510796124134E+24
Surface area 8.3063716919323E+16
Circumference 510834966.35764

Square

Length = n
Perimeter 325207640
Area 6610000569648100
Diagonal 114978263.76884

Cube

Length = n
Surface area 39660003417888600
Volume 5.3740567141348E+23
Space diagonal 140819038.87239

Equilateral Triangle

Length = n
Perimeter 243905730
Area 2.8622142061724E+15
Altitude 70409519.436196

Triangular Pyramid

Length = n
Surface area 2.8622142061724E+15
Volume 6.3333865750763E+22
Height 38326087.922946