81246315 (number)

81246315 is an odd 8-digits composite number following 81246314 and preceding 81246316. In scientific notation, it is written as 8.1246315 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors. There are 39908864 positive integers (up to 81246315) that are relatively prime to 81246315.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred forty-six thousand three hundred fifteen

Notation

Scientific notation 8.1246315 × 10^7
Engineering notation 8.1246315 × 10^6

Prime Factorization of 81246315

Prime Factorization 3 × 5 × 17 × 47 × 6779

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81246315
Product of the distinct prime numbers

The prime factorization of 81246315 is 3 × 5 × 17 × 47 × 6779. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 8, 24, 2, 528, 537, 5836, 6396, 29372, 33033, 297829, 681392, 3091656, 9546454, 68786678, 95292443, 446464508, 756560600, 4563467651, 4810369912

Basic calculations (n = 81246315)

Multiplication

n×y
n×2 162492630
n×3 243738945
n×4 324985260
n×5 406231575

Division

n÷y
n÷2 40623157.5
n÷3 27082105
n÷3 20311578.75
n÷5 16249263

Exponentiation

ny
n2 6600963701079225
n3 5.3630397616145E+23
n4 4.3572721782966E+31
n5 3.5401230793862E+39

Nth Root

y√n
2√n 9013.6737793199
3√n 433.11300469227
4√n 94.940369597553
5√n 38.190973995762

Divisors of 81246315

1, 3, 5, 15, 17, 47, 51, 85, 141, 235, 255, 705, 799, 2397, 3995, 6779, 11985, 20337, 33895, 101685, 115243, 318613, 345729, 576215, 955839, 1593065, 1728645, 4779195, 5416421, 16249263, 27082105, 81246315

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 -81246314
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 81246315 can be divided by 32 positive divisors. The sum of these divisors (counting 81246315) is 1, the average is 0.03125.

Base conversion 81246315

Base System Value
2 Binary 100110101111011100001101011
3 Ternary 12122212201222210
4 Quaternary 10311323201223
5 Quinary 131244340230
6 Senary 12021220203
8 Octal 465734153
10 Decimal 81246315
12 Duodecimal 23261663
16 Hexadecimal 4d7b86b
20 Vigesimal 157ffff
36 Base36 1cde23

Cryptographic Hash Functions

md5 d87f16ebf3a41668bda45a68cd2f465c
sha1 5b6b70181498b6d4777cc24398dd664498210507
sha256 6fed88e6e763b284c243db4e22b667d01dbe74748459dacd19c20bcdf55d9c9e
sha512 688a9223192c3ff5977c08f6f8a7a7dae5451bbd2cf8de49e1eccdac914a568291546a7d7cda3b53979a3db2b42b785b207292098758e9054a7a6745b7e1e25f
ripemd-160 84f7a8a7dbbd0c4978a6bdfde9ba8f272701b6ce

81246315 as geometric shapes

Circle

Radius = n
Diameter 162492630
Circumference 510485652.67048
Area 2.0737539069923E+16

Sphere

Radius = n
Volume 2.2464648421331E+24
Surface area 8.2950156279694E+16
Circumference 510485652.67048

Square

Length = n
Perimeter 324985260
Area 6600963701079225
Diagonal 114899640.56584

Cube

Length = n
Surface area 39605782206475350
Volume 5.3630397616145E+23
Space diagonal 140722745.50775

Equilateral Triangle

Length = n
Perimeter 243738945
Area 2.8583011272968E+15
Altitude 70361372.753873

Triangular Pyramid

Length = n
Surface area 2.8583011272968E+15
Volume 6.3204029720178E+22
Height 38299880.188612