81102015 (number)

81102015 is an odd 8-digits composite number following 81102014 and preceding 81102016. In scientific notation, it is written as 8.1102015 × 10^7. The sum of its digits is 18. It has a total of 4 prime factors and 12 positive divisors. There are 43254384 positive integers (up to 81102015) that are relatively prime to 81102015.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred two thousand fifteen

Notation

Scientific notation 8.1102015 × 10^7
Engineering notation 8.1102015 × 10^6

Prime Factorization of 81102015

Prime Factorization 3 × 3 × 5 × 1802267

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 27034005
Product of the distinct prime numbers

The prime factorization of 81102015 is 3 × 3 × 5 × 1802267. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81102015)

Multiplication

n×y
n×2 162204030
n×3 243306045
n×4 324408060
n×5 405510075

Division

n÷y
n÷2 40551007.5
n÷3 27034005
n÷3 20275503.75
n÷5 16220403

Exponentiation

ny
n2 6577536837060225
n3 5.3345149122231E+23
n4 4.3263990842884E+31
n5 3.5087968342995E+39

Nth Root

y√n
2√n 9005.6657166475
3√n 432.85643820986
4√n 94.898186055622
5√n 38.177398298485

Divisors of 81102015

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81102014
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81102015 can be divided by 12 positive divisors. The sum of these divisors (counting 81102015) is 1, the average is 0.083333333333333.

Base conversion 81102015

Base System Value
2 Binary 100110101011000010010111111
3 Ternary 12122121102001100
4 Quaternary 10311120102333
5 Quinary 131230231030
6 Senary 12014144143
8 Octal 465302277
10 Decimal 81102015
12 Duodecimal 231b2053
16 Hexadecimal 4d584bf
20 Vigesimal 156hf0f
36 Base36 1caapr

Cryptographic Hash Functions

md5 79168e24d494cf77700bbb690ea7f54f
sha1 b16b170f24a31fe45dbdf85d7813ecfcf10c95ef
sha256 1fd5b2228a7c17fee34fd738c714d07fd7f78b658c2cb3598dc290a6ea5f63c9
sha512 65f7680d4b83baba192d87735fc994c733b6ca8142958ef15dc360795f02c409392e79f97fe2771536921eca25ab02d751a1a5bdc0244dc59aa11a87c77c54db
ripemd-160 17d85589988b718fad87db8ba8835ad3e42afe0b

81102015 as geometric shapes

Circle

Radius = n
Diameter 162204030
Circumference 509578989.03066
Area 2.0663941406025E+16

Sphere

Radius = n
Volume 2.2345163811607E+24
Surface area 8.2655765624099E+16
Circumference 509578989.03066

Square

Length = n
Perimeter 324408060
Area 6577536837060225
Diagonal 114695569.54879

Cube

Length = n
Surface area 39465221022361350
Volume 5.3345149122231E+23
Space diagonal 140472810.57621

Equilateral Triangle

Length = n
Perimeter 243306045
Area 2.848156997611E+15
Altitude 70236405.288107

Triangular Pyramid

Length = n
Surface area 2.848156997611E+15
Volume 6.2867861146229E+22
Height 38231856.516262