81670525 (number)

81670525 is an odd 8-digits composite number following 81670524 and preceding 81670526. In scientific notation, it is written as 8.1670525 × 10^7. The sum of its digits is 34. It has a total of 5 prime factors and 24 positive divisors. There are 62516160 positive integers (up to 81670525) that are relatively prime to 81670525.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred seventy thousand five hundred twenty-five

Notation

Scientific notation 8.1670525 × 10^7
Engineering notation 8.1670525 × 10^6

Prime Factorization of 81670525

Prime Factorization 5 × 5 × 29 × 127 × 887

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 16334105
Product of the distinct prime numbers

The prime factorization of 81670525 is 5 × 5 × 29 × 127 × 887. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 5, 37, 39, 761, 852, 2022, 7761, 8278, 92970, 391798, 686307, 8501775, 544220, 29198530, 56088726, 684777058, 684189241, 9189667931, 2160685487

Basic calculations (n = 81670525)

Multiplication

n×y
n×2 163341050
n×3 245011575
n×4 326682100
n×5 408352625

Division

n÷y
n÷2 40835262.5
n÷3 27223508.333333
n÷3 20417631.25
n÷5 16334105

Exponentiation

ny
n2 6670074653775625
n3 5.4474849876305E+23
n4 4.448989588694E+31
n5 3.6335131542817E+39

Nth Root

y√n
2√n 9037.1746137828
3√n 433.8654983973
4√n 95.064055319468
5√n 38.230772139729

Divisors of 81670525

1, 5, 25, 29, 127, 145, 635, 725, 887, 3175, 3683, 4435, 18415, 22175, 25723, 92075, 112649, 128615, 563245, 643075, 2816225, 3266821, 16334105, 81670525

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81670524
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81670525 can be divided by 24 positive divisors. The sum of these divisors (counting 81670525) is 1, the average is 0.041666666666667.

Base conversion 81670525

Base System Value
2 Binary 100110111100011000101111101
3 Ternary 12200200021220021
4 Quaternary 10313203011331
5 Quinary 131401424100
6 Senary 12034252141
8 Octal 467430575
10 Decimal 81670525
12 Duodecimal 23427051
16 Hexadecimal 4de317d
20 Vigesimal 15a8g65
36 Base36 1cmhdp

Cryptographic Hash Functions

md5 232a2997baae490f35e4729ec57acc81
sha1 96737a7cbafa55798cae7552e0f4e6b87b9418a1
sha256 51507c2fb21acd56268356c702618354253ae383d7d74ca651f018f8ea011e70
sha512 bee5500fd7f64c5b5ecd243086252c2bbc64ff32a97661e7ee7927629f47af6cfcbb4d7511397dbd30b36bbb75dea295790ead78e8ac77053d3ee50b1745a0e5
ripemd-160 033508324354fb8da9eeac98a8e24c75550c5870

81670525 as geometric shapes

Circle

Radius = n
Diameter 163341050
Circumference 513151042.70964
Area 2.0954657531197E+16

Sphere

Radius = n
Volume 2.2818371756907E+24
Surface area 8.3818630124788E+16
Circumference 513151042.70964

Square

Length = n
Perimeter 326682100
Area 6670074653775625
Diagonal 115499564.10113

Cube

Length = n
Surface area 40020447922653750
Volume 5.4474849876305E+23
Space diagonal 141457498.78082

Equilateral Triangle

Length = n
Perimeter 245011575
Area 2.8882270476542E+15
Altitude 70728749.390412

Triangular Pyramid

Length = n
Surface area 2.8882270476542E+15
Volume 6.4199226252757E+22
Height 38499854.700377