81708910 (number)

81708910 is an even 8-digits composite number following 81708909 and preceding 81708911. In scientific notation, it is written as 8.1708910 × 10^7. The sum of its digits is 34. It has a total of 5 prime factors and 32 positive divisors. There are 32068608 positive integers (up to 81708910) that are relatively prime to 81708910.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred eight thousand nine hundred ten

Notation

Scientific notation 8.1708910 × 10^7
Engineering notation 8.1708910 × 10^6

Prime Factorization of 81708910

Prime Factorization 2 × 5 × 79 × 293 × 353

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81708910
Product of the distinct prime numbers

The prime factorization of 81708910 is 2 × 5 × 79 × 293 × 353. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 8, 93, 8, 962, 547, 8995, 7810, 16228, 96045, 545352, 260060, 449873, 1066965, 90207703, 11078668, 74583619, 710930826, 3522911153, 2023033972

Basic calculations (n = 81708910)

Multiplication

n×y
n×2 163417820
n×3 245126730
n×4 326835640
n×5 408544550

Division

n÷y
n÷2 40854455
n÷3 27236303.333333
n÷3 20427227.5
n÷5 16341782

Exponentiation

ny
n2 6676345973388100
n3 5.4551695226843E+23
n4 4.4573595556375E+31
n5 3.6420599076923E+39

Nth Root

y√n
2√n 9039.2980922193
3√n 433.93345975273
4√n 95.075223335101
5√n 38.234365143152

Divisors of 81708910

1, 2, 5, 10, 79, 158, 293, 353, 395, 586, 706, 790, 1465, 1765, 2930, 3530, 23147, 27887, 46294, 55774, 103429, 115735, 139435, 206858, 231470, 278870, 517145, 1034290, 8170891, 16341782, 40854455, 81708910

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 -81708909
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 81708910 can be divided by 32 positive divisors. The sum of these divisors (counting 81708910) is 1, the average is 0.03125.

Base conversion 81708910

Base System Value
2 Binary 100110111101100011101101110
3 Ternary 12200202020112221
4 Quaternary 10313230131232
5 Quinary 131404141120
6 Senary 12035145554
8 Octal 467543556
10 Decimal 81708910
12 Duodecimal 234452ba
16 Hexadecimal 4dec76e
20 Vigesimal 15adc5a
36 Base36 1cnazy

Cryptographic Hash Functions

md5 e468608e3926d4d9a213adc32c58c429
sha1 8269dc170d86dd1d8481fc9d28e34a650c768cca
sha256 6daff588a5dbb13e8935fad2612c78de4d5ca28585991696f90ff824a1d0eca8
sha512 32662c45b367f52d7f31f747e50fffa9b19a52d607bc409d9e6e49d0c42256620b5b60fe9439427e4a17a72c45c5e42f835a6a7c2b1edd7b1310a5c2404a2d33
ripemd-160 0c329d5b65ac48f6073ae105792529aa8eb37dab

81708910 as geometric shapes

Circle

Radius = n
Diameter 163417820
Circumference 513392222.77766
Area 2.097435946282E+16

Sphere

Radius = n
Volume 2.2850560662069E+24
Surface area 8.3897437851279E+16
Circumference 513392222.77766

Square

Length = n
Perimeter 326835640
Area 6676345973388100
Diagonal 115553848.68872

Cube

Length = n
Surface area 40058075840328600
Volume 5.4551695226843E+23
Space diagonal 141523983.55107

Equilateral Triangle

Length = n
Perimeter 245126730
Area 2.890942608704E+15
Altitude 70761991.775536

Triangular Pyramid

Length = n
Surface area 2.890942608704E+15
Volume 6.4289789366871E+22
Height 38517949.562908