81595725 (number)

81595725 is an odd 8-digits composite number following 81595724 and preceding 81595726. In scientific notation, it is written as 8.1595725 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 42504000 positive integers (up to 81595725) that are relatively prime to 81595725.

Interesting facts

Basic properties

Name

Name eighty-one million five hundred ninety-five thousand seven hundred twenty-five

Notation

Scientific notation 8.1595725 × 10^7
Engineering notation 8.1595725 × 10^6

Prime Factorization of 81595725

Prime Factorization 15 × 5 × 43 × 25301

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81595725
Product of the distinct prime numbers

The prime factorization of 81595725 is 15 × 5 × 43 × 25301. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 1, 50, 86, 518, 637, 3365, 3973, 95968, 44681, 685344, 896649, 9713509, 8717440, 41275020, 50620188, 113476473, 337250785, 3999867160, 3418403865

Basic calculations (n = 81595725)

Multiplication

n×y
n×2 163191450
n×3 244787175
n×4 326382900
n×5 407978625

Division

n÷y
n÷2 40797862.5
n÷3 27198575
n÷3 20398931.25
n÷5 16319145

Exponentiation

ny
n2 6657862338275625
n3 5.4325310444179E+23
n4 4.4327130915429E+31
n5 3.6169043842143E+39

Nth Root

y√n
2√n 9033.0352041825
3√n 433.73300240401
4√n 95.042281139409
5√n 38.223766650369

Divisors of 81595725

1, 5, 15, 43, 75, 215, 645, 3225, 25301, 126505, 379515, 1087943, 1897575, 5439715, 16319145, 81595725

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 -81595724
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 81595725 can be divided by 16 positive divisors. The sum of these divisors (counting 81595725) is 1, the average is 0.0625.

Base conversion 81595725

Base System Value
2 Binary 100110111010000110101001101
3 Ternary 12200112111021220
4 Quaternary 10313100311031
5 Quinary 131342030400
6 Senary 12032513553
8 Octal 467206515
10 Decimal 81595725
12 Duodecimal 233ab8b9
16 Hexadecimal 4dd0d4d
20 Vigesimal 159j965
36 Base36 1ckvnx

Cryptographic Hash Functions

md5 624161e8f046cb22b8a97522001d23eb
sha1 b4bbc6ad2a87db4a95e7fc1e18bfd7ed4076e535
sha256 6ff4308ed717a9bb079b3b0cb684b8fd11d7a53158ff894f7387ec3c07adc28a
sha512 c5cbcf9d57b1fd1c023467f86bba6be8147b13e3c08bc841d4e7b020fa9a3d59fc4df9aff1a56dab6d4b25f383bec72ea6291a24eed7e6a0f6cef28733873a5c
ripemd-160 c6f6c7d5c39ffaef0bc69179deb4c69492bc2fb3

81595725 as geometric shapes

Circle

Radius = n
Diameter 163191450
Circumference 512681060.44867
Area 2.0916291410539E+16

Sphere

Radius = n
Volume 2.2755732826056E+24
Surface area 8.3665165642155E+16
Circumference 512681060.44867

Square

Length = n
Perimeter 326382900
Area 6657862338275625
Diagonal 115393780.92667

Cube

Length = n
Surface area 39947174029653750
Volume 5.4325310444179E+23
Space diagonal 141327941.38042

Equilateral Triangle

Length = n
Perimeter 244787175
Area 2.8829389599232E+15
Altitude 70663970.690209

Triangular Pyramid

Length = n
Surface area 2.8829389599232E+15
Volume 6.4022992341906E+22
Height 38464593.642222