81366087 (number)

81366087 is an odd 8-digits composite number following 81366086 and preceding 81366088. In scientific notation, it is written as 8.1366087 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 12 positive divisors. There are 49312560 positive integers (up to 81366087) that are relatively prime to 81366087.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred sixty-six thousand eighty-seven

Notation

Scientific notation 8.1366087 × 10^7
Engineering notation 8.1366087 × 10^6

Prime Factorization of 81366087

Prime Factorization 3 × 11 × 11 × 224149

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 7396917
Product of the distinct prime numbers

The prime factorization of 81366087 is 3 × 11 × 11 × 224149. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 6, 27, 43, 886, 712, 6827, 1171, 46345, 41438, 739354, 806235, 8178459, 7301490, 96836043, 33665257, 782618858, 449183663, 8996707348, 6411003731

Basic calculations (n = 81366087)

Multiplication

n×y
n×2 162732174
n×3 244098261
n×4 325464348
n×5 406830435

Division

n÷y
n÷2 40683043.5
n÷3 27122029
n÷3 20341521.75
n÷5 16273217.4

Exponentiation

ny
n2 6620440113691569
n3 5.3867930626892E+23
n4 4.3830227298976E+31
n5 3.5662940876383E+39

Nth Root

y√n
2√n 9020.3152383938
3√n 433.32572958387
4√n 94.975340159401
5√n 38.202227464749

Divisors of 81366087

1, 3, 11, 33, 121, 363, 224149, 672447, 2465639, 7396917, 27122029, 81366087

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 -81366086
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 81366087 can be divided by 12 positive divisors. The sum of these divisors (counting 81366087) is 1, the average is 0.083333333333333.

Base conversion 81366087

Base System Value
2 Binary 100110110011000110001000111
3 Ternary 12200002211021210
4 Quaternary 10312120301013
5 Quinary 131312203322
6 Senary 12023542503
8 Octal 466306107
10 Decimal 81366087
12 Duodecimal 232baa33
16 Hexadecimal 4d98c47
20 Vigesimal 158af47
36 Base36 1cfyh3

Cryptographic Hash Functions

md5 19b4ccd3588a5b35a4dd051ed7940616
sha1 ec00d78bc1e3d5bb9ddf4d67c32abfaf80964439
sha256 f187076dfe92aff1c2e432bccd865744562036c5c0b56d5e2dbbae0c1a5a840e
sha512 a2eff54f343f883f140cdf5d8a506db3e1ab2180f7d2176264abf0ed06ce339fa09fa582a4eef1292d8a59baaeb3c528e7e824be7650c224768134c6643ac346
ripemd-160 750c9644d4520a3aeb4a277ffa7f1103cb086236

81366087 as geometric shapes

Circle

Radius = n
Diameter 162732174
Circumference 511238202.3411
Area 2.0798726024705E+16

Sphere

Radius = n
Volume 2.2564146016204E+24
Surface area 8.3194904098818E+16
Circumference 511238202.3411

Square

Length = n
Perimeter 325464348
Area 6620440113691569
Diagonal 115069023.75263

Cube

Length = n
Surface area 39722640682149414
Volume 5.3867930626892E+23
Space diagonal 140930196.69707

Equilateral Triangle

Length = n
Perimeter 244098261
Area 2.8667346613452E+15
Altitude 70465098.348535

Triangular Pyramid

Length = n
Surface area 2.8667346613452E+15
Volume 6.3483965057936E+22
Height 38356341.250876