81331105 (number)

81331105 is an odd 8-digits composite number following 81331104 and preceding 81331106. In scientific notation, it is written as 8.1331105 × 10^7. The sum of its digits is 22. It has a total of 5 prime factors and 24 positive divisors. There are 61400064 positive integers (up to 81331105) that are relatively prime to 81331105.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred thirty-one thousand one hundred five

Notation

Scientific notation 8.1331105 × 10^7
Engineering notation 8.1331105 × 10^6

Prime Factorization of 81331105

Prime Factorization 5 × 23 × 23 × 97 × 317

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 3536135
Product of the distinct prime numbers

The prime factorization of 81331105 is 5 × 23 × 23 × 97 × 317. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 3, 8, 17, 678, 699, 9854, 4871, 86182, 96546, 323360, 730246, 8508849, 3865760, 96410020, 37057737, 309534183, 989730169, 4162537890, 9987315624

Basic calculations (n = 81331105)

Multiplication

n×y
n×2 162662210
n×3 243993315
n×4 325324420
n×5 406655525

Division

n÷y
n÷2 40665552.5
n÷3 27110368.333333
n÷3 20332776.25
n÷5 16266221

Exponentiation

ny
n2 6614748640521025
n3 5.3798481623082E+23
n4 4.3754899577275E+31
n5 3.5586343317838E+39

Nth Root

y√n
2√n 9018.3759624447
3√n 433.26362027786
4√n 94.965130244973
5√n 38.198942016835

Divisors of 81331105

1, 5, 23, 97, 115, 317, 485, 529, 1585, 2231, 2645, 7291, 11155, 30749, 36455, 51313, 153745, 167693, 256565, 707227, 838465, 3536135, 16266221, 81331105

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 -81331104
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 81331105 can be divided by 24 positive divisors. The sum of these divisors (counting 81331105) is 1, the average is 0.041666666666667.

Base conversion 81331105

Base System Value
2 Binary 100110110010000001110100001
3 Ternary 12200001001022011
4 Quaternary 10312100032201
5 Quinary 131310043410
6 Senary 12023112521
8 Octal 466201641
10 Decimal 81331105
12 Duodecimal 232a2741
16 Hexadecimal 4d903a1
20 Vigesimal 15867f5
36 Base36 1cf7hd

Cryptographic Hash Functions

md5 f324e10c216829060dbd4df9a3cc15c6
sha1 5f914b3d959eddc5f8dd24efe295a10978cc98db
sha256 c5d9d17a4aa484765acd238ec9eb36bd4b4dc9a69bd6c25b1125fcaa45370de6
sha512 c081262e4b3042df2d172ad500329b42a11775c909b7abf175ec6dd705927625d23a38e490261fd0d9234f23d9aa830ead4ee53b3297964637e839e6fc4a30ab
ripemd-160 78ee580c162f82bfca353a631e7a4b57dca54dc2

81331105 as geometric shapes

Circle

Radius = n
Diameter 162662210
Circumference 511018403.95268
Area 2.0780845734404E+16

Sphere

Radius = n
Volume 2.2535055285515E+24
Surface area 8.3123382937616E+16
Circumference 511018403.95268

Square

Length = n
Perimeter 325324420
Area 6614748640521025
Diagonal 115019551.73379

Cube

Length = n
Surface area 39688491843126150
Volume 5.3798481623082E+23
Space diagonal 140869606.09572

Equilateral Triangle

Length = n
Perimeter 243993315
Area 2.8642701811699E+15
Altitude 70434803.04786

Triangular Pyramid

Length = n
Surface area 2.8642701811699E+15
Volume 6.3402118622036E+22
Height 38339850.57793