81532015 (number)

81532015 is an odd 8-digits composite number following 81532014 and preceding 81532016. In scientific notation, it is written as 8.1532015 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors. There are 62818560 positive integers (up to 81532015) that are relatively prime to 81532015.

Interesting facts

Basic properties

Name

Name eighty-one million five hundred thirty-two thousand fifteen

Notation

Scientific notation 8.1532015 × 10^7
Engineering notation 8.1532015 × 10^6

Prime Factorization of 81532015

Prime Factorization 5 × 31 × 229 × 2297

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81532015
Product of the distinct prime numbers

The prime factorization of 81532015 is 5 × 31 × 229 × 2297. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 1, 80, 36, 123, 720, 4595, 6377, 96057, 29012, 147765, 204283, 1995180, 904339, 9798157, 86603803, 486001282, 856305165, 6459270963, 3415862900

Basic calculations (n = 81532015)

Multiplication

n×y
n×2 163064030
n×3 244596045
n×4 326128060
n×5 407660075

Division

n÷y
n÷2 40766007.5
n÷3 27177338.333333
n÷3 20383003.75
n÷5 16306403

Exponentiation

ny
n2 6647469469960225
n3 5.4198158053684E+23
n4 4.4188850354053E+31
n5 3.6028060098994E+39

Nth Root

y√n
2√n 9029.5080153904
3√n 433.62008666529
4√n 95.023723434679
5√n 38.21779575642

Divisors of 81532015

1, 5, 31, 155, 229, 1145, 2297, 7099, 11485, 35495, 71207, 356035, 526013, 2630065, 16306403, 81532015

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 -81532014
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 81532015 can be divided by 16 positive divisors. The sum of these divisors (counting 81532015) is 1, the average is 0.0625.

Base conversion 81532015

Base System Value
2 Binary 100110111000001010001101111
3 Ternary 12200102020220021
4 Quaternary 10313001101233
5 Quinary 131333011030
6 Senary 12031303011
8 Octal 467012157
10 Decimal 81532015
12 Duodecimal 2337aa67
16 Hexadecimal 4dc146f
20 Vigesimal 159ba0f
36 Base36 1cjii7

Cryptographic Hash Functions

md5 391fd8c0f5fa09a14757e7b57384d96f
sha1 5c1a42477debf9b6072d5a2120b7118a2749e191
sha256 efe6124307fe7a4131a1fea7af529be264e13faef29b0f015feeb79a37dff176
sha512 3f87c1b2250827ea60c8e6874e0780bc591804444e07dd36124cfbfbba7699aa17d82d65764ae251951355324a038dbc6950b557ccb65493e950ed02928a54b3
ripemd-160 0e149e210eb689f355b039372ba42561a664a6a5

81532015 as geometric shapes

Circle

Radius = n
Diameter 163064030
Circumference 512280758.71275
Area 2.0883641251789E+16

Sphere

Radius = n
Volume 2.2702471357274E+24
Surface area 8.3534565007158E+16
Circumference 512280758.71275

Square

Length = n
Perimeter 326128060
Area 6647469469960225
Diagonal 115303681.38061

Cube

Length = n
Surface area 39884816819761350
Volume 5.4198158053684E+23
Space diagonal 141217592.42347

Equilateral Triangle

Length = n
Perimeter 244596045
Area 2.8784387159335E+15
Altitude 70608796.211734

Triangular Pyramid

Length = n
Surface area 2.8784387159335E+15
Volume 6.3873141812634E+22
Height 38434560.460202