81707065 (number)

81707065 is an odd 8-digits composite number following 81707064 and preceding 81707066. In scientific notation, it is written as 8.1707065 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors. There are 57361920 positive integers (up to 81707065) that are relatively prime to 81707065.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred seven thousand sixty-five

Notation

Scientific notation 8.1707065 × 10^7
Engineering notation 8.1707065 × 10^6

Prime Factorization of 81707065

Prime Factorization 121 × 29 × 5 × 4657

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81707065
Product of the distinct prime numbers

The prime factorization of 81707065 is 121 × 29 × 5 × 4657. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 5, 38, 22, 472, 218, 3004, 9789, 21791, 2645, 490197, 360841, 7781348, 812926, 73954354, 81309404, 565308849, 69520352, 4633066518, 9452945181

Basic calculations (n = 81707065)

Multiplication

n×y
n×2 163414130
n×3 245121195
n×4 326828260
n×5 408535325

Division

n÷y
n÷2 40853532.5
n÷3 27235688.333333
n÷3 20426766.25
n÷5 16341413

Exponentiation

ny
n2 6676044470914225
n3 5.4547999952788E+23
n4 4.4569569777624E+31
n5 3.6416487348424E+39

Nth Root

y√n
2√n 9039.1960372591
3√n 433.93019363296
4√n 95.074686627194
5√n 38.234192474001

Divisors of 81707065

1, 5, 29, 121, 145, 605, 3509, 4657, 17545, 23285, 135053, 563497, 675265, 2817485, 16341413, 81707065

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81707064
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81707065 can be divided by 16 positive divisors. The sum of these divisors (counting 81707065) is 1, the average is 0.0625.

Base conversion 81707065

Base System Value
2 Binary 100110111101100000000111001
3 Ternary 12200202011000121
4 Quaternary 10313230000321
5 Quinary 131404111230
6 Senary 12035133241
8 Octal 467540071
10 Decimal 81707065
12 Duodecimal 23444221
16 Hexadecimal 4dec039
20 Vigesimal 15ad7d5
36 Base36 1cn9kp

Cryptographic Hash Functions

md5 6907c7f4ad69d12811baff40d2747d57
sha1 d46fdd0986e00aef25ea5e0489739876b8ff040b
sha256 8d5f952f226a43088a384e9f76ac390f83af37ad5a380295bae4b98eee150cdb
sha512 b98047a7168b1c7634a474c94a8185b924289c2b760e7cbc65cf76bd05d21fbe4d0e55e73ced5c6e3738fccf785e9a1677fbce3b589e5ecec75681fecf34af7f
ripemd-160 35a54938456b0bd2de4e71c2c25fa279e22f1ec9

81707065 as geometric shapes

Circle

Radius = n
Diameter 163414130
Circumference 513380630.30077
Area 2.0973412264863E+16

Sphere

Radius = n
Volume 2.2849012789293E+24
Surface area 8.3893649059452E+16
Circumference 513380630.30077

Square

Length = n
Perimeter 326828260
Area 6676044470914225
Diagonal 115551239.4647

Cube

Length = n
Surface area 40056266825485350
Volume 5.4547999952788E+23
Space diagonal 141520787.91733

Equilateral Triangle

Length = n
Perimeter 245121195
Area 2.8908120543032E+15
Altitude 70760393.958666

Triangular Pyramid

Length = n
Surface area 2.8908120543032E+15
Volume 6.4285434444633E+22
Height 38517079.821567