81317650 (number)

81317650 is an even 8-digits composite number following 81317649 and preceding 81317651. In scientific notation, it is written as 8.1317650 × 10^7. The sum of its digits is 31. It has a total of 5 prime factors and 32 positive divisors. There are 30096000 positive integers (up to 81317650) that are relatively prime to 81317650.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred seventeen thousand six hundred fifty

Notation

Scientific notation 8.1317650 × 10^7
Engineering notation 8.1317650 × 10^6

Prime Factorization of 81317650

Prime Factorization 2 × 25 × 23 × 31 × 2281

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81317650
Product of the distinct prime numbers

The prime factorization of 81317650 is 2 × 25 × 23 × 31 × 2281. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 3, 71, 12, 835, 134, 9602, 732, 21997, 68333, 608106, 719595, 4078823, 4757094, 89447834, 91952542, 926566954, 70180797, 3675245989, 1163887188

Basic calculations (n = 81317650)

Multiplication

n×y
n×2 162635300
n×3 243952950
n×4 325270600
n×5 406588250

Division

n÷y
n÷2 40658825
n÷3 27105883.333333
n÷3 20329412.5
n÷5 16263530

Exponentiation

ny
n2 6612560201522500
n3 5.3771785607134E+23
n4 4.3725952418759E+31
n5 3.5556916947053E+39

Nth Root

y√n
2√n 9017.6299547054
3√n 433.23972665803
4√n 94.961202365521
5√n 38.197678045862

Divisors of 81317650

1, 2, 23, 25, 31, 46, 50, 62, 575, 713, 775, 1150, 1426, 1550, 2281, 4562, 17825, 35650, 52463, 57025, 70711, 104926, 114050, 141422, 1311575, 1626353, 1767775, 2623150, 3252706, 3535550, 40658825, 81317650

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81317649
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81317650 can be divided by 32 positive divisors. The sum of these divisors (counting 81317650) is 1, the average is 0.03125.

Base conversion 81317650

Base System Value
2 Binary 100110110001100111100010010
3 Ternary 12200000100211211
4 Quaternary 10312030330102
5 Quinary 131304131100
6 Senary 12022530334
8 Octal 466147422
10 Decimal 81317650
12 Duodecimal 232969aa
16 Hexadecimal 4d8cf12
20 Vigesimal 1584e2a
36 Base36 1cex3m

Cryptographic Hash Functions

md5 5d5c3865999b5f860815505f26f36b8c
sha1 076f5313fa060a19fa505f4fa27cf7e4c058c654
sha256 2f50680bb361f334bc8b1fdd872887a597c22541e68d226ca9e182030ae3842e
sha512 6a1aed7227dc138acfb347932753044b34ac0f1672226b3bb306f3a4d1674f605b8ae077e28e1ff8f7d8408936079c01c19a48fa2242c20a5309c6811f365b88
ripemd-160 731d903f2c813a3cf4d30f1cf01a9e3086ed9aa3

81317650 as geometric shapes

Circle

Radius = n
Diameter 162635300
Circumference 510933863.69437
Area 2.0773970550523E+16

Sphere

Radius = n
Volume 2.2523872884504E+24
Surface area 8.3095882202093E+16
Circumference 510933863.69437

Square

Length = n
Perimeter 325270600
Area 6612560201522500
Diagonal 115000523.49031

Cube

Length = n
Surface area 39675361209135000
Volume 5.3771785607134E+23
Space diagonal 140846301.3521

Equilateral Triangle

Length = n
Perimeter 243952950
Area 2.8633225592862E+15
Altitude 70423150.676052

Triangular Pyramid

Length = n
Surface area 2.8633225592862E+15
Volume 6.3370657065522E+22
Height 38333507.830103