81123927 (number)

81123927 is an odd 8-digits composite number following 81123926 and preceding 81123928. In scientific notation, it is written as 8.1123927 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 52780032 positive integers (up to 81123927) that are relatively prime to 81123927.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred twenty-three thousand nine hundred twenty-seven

Notation

Scientific notation 8.1123927 × 10^7
Engineering notation 8.1123927 × 10^6

Prime Factorization of 81123927

Prime Factorization 3 × 499 × 47 × 1153

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81123927
Product of the distinct prime numbers

The prime factorization of 81123927 is 3 × 499 × 47 × 1153. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 8, 19, 33, 719, 698, 2663, 8095, 16819, 69919, 490498, 838750, 9124540, 126028, 23846194, 53977681, 337563535, 197525807, 8559475464, 9927703143

Basic calculations (n = 81123927)

Multiplication

n×y
n×2 162247854
n×3 243371781
n×4 324495708
n×5 405619635

Division

n÷y
n÷2 40561963.5
n÷3 27041309
n÷3 20280981.75
n÷5 16224785.4

Exponentiation

ny
n2 6581091531901329
n3 5.3388398901428E+23
n4 4.3310765751263E+31
n5 3.5135393991196E+39

Nth Root

y√n
2√n 9006.8822019609
3√n 432.89541749708
4√n 94.904595262616
5√n 38.179461016063

Divisors of 81123927

1, 3, 47, 141, 499, 1153, 1497, 3459, 23453, 54191, 70359, 162573, 575347, 1726041, 27041309, 81123927

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 -81123926
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 81123927 can be divided by 16 positive divisors. The sum of these divisors (counting 81123927) is 1, the average is 0.0625.

Base conversion 81123927

Base System Value
2 Binary 100110101011101101001010111
3 Ternary 12122122112002220
4 Quaternary 10311131221113
5 Quinary 131231431202
6 Senary 12014433423
8 Octal 465355127
10 Decimal 81123927
12 Duodecimal 23202873
16 Hexadecimal 4d5da57
20 Vigesimal 15709g7
36 Base36 1carmf

Cryptographic Hash Functions

md5 6af1c5976b6ef7ef60d104f90c3f3786
sha1 e7feaf4bb66700e5c3954c43ab0d782aa2d96381
sha256 614db9904fca2b1bca41601cb245cb826cf847c3b7acea4ee9e8c78dce57f69b
sha512 46f1c29f9005fba4de50398abb7e15d388bf1f1b71913982a191d405ef7aa025773f147b6d312e2e2b8671e9a318c2357ad940429276662634ee9385e6925dfb
ripemd-160 a76373c78493d642eaefc0720550041dc89d94f3

81123927 as geometric shapes

Circle

Radius = n
Diameter 162247854
Circumference 509716666.18711
Area 2.0675108809223E+16

Sphere

Radius = n
Volume 2.2363280236753E+24
Surface area 8.2700435236893E+16
Circumference 509716666.18711

Square

Length = n
Perimeter 324495708
Area 6581091531901329
Diagonal 114726557.79636

Cube

Length = n
Surface area 39486549191407974
Volume 5.3388398901428E+23
Space diagonal 140510763.27351

Equilateral Triangle

Length = n
Perimeter 243371781
Area 2.8496962256286E+15
Altitude 70255381.636754

Triangular Pyramid

Length = n
Surface area 2.8496962256286E+15
Volume 6.291883149982E+22
Height 38242185.932122