81193764 (number)

81193764 is an even 8-digits composite number following 81193763 and preceding 81193765. In scientific notation, it is written as 8.1193764 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors. There are 25640064 positive integers (up to 81193764) that are relatively prime to 81193764.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred ninety-three thousand seven hundred sixty-four

Notation

Scientific notation 8.1193764 × 10^7
Engineering notation 8.1193764 × 10^6

Prime Factorization of 81193764

Prime Factorization 2 × 2 × 3 × 19 × 356113

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40596882
Product of the distinct prime numbers

The prime factorization of 81193764 is 2 × 2 × 3 × 19 × 356113. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 8, 9, 47, 159, 555, 9859, 1007, 95894, 77361, 283728, 5115, 1113007, 4428857, 81320131, 32164186, 872817523, 557989559, 2369338523, 8177457158

Basic calculations (n = 81193764)

Multiplication

n×y
n×2 162387528
n×3 243581292
n×4 324775056
n×5 405968820

Division

n÷y
n÷2 40596882
n÷3 27064588
n÷3 20298441
n÷5 16238752.8

Exponentiation

ny
n2 6592427312487696
n3 5.3526398739728E+23
n4 4.3460097870434E+31
n5 3.5286889299089E+39

Nth Root

y√n
2√n 9010.7582366857
3√n 433.01960381813
4√n 94.925013756574
5√n 38.186032249594

Divisors of 81193764

1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 356113, 712226, 1068339, 1424452, 2136678, 4273356, 6766147, 13532294, 20298441, 27064588, 40596882, 81193764

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 -81193763
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 81193764 can be divided by 24 positive divisors. The sum of these divisors (counting 81193764) is 1, the average is 0.041666666666667.

Base conversion 81193764

Base System Value
2 Binary 100110101101110101100100100
3 Ternary 12122210001220110
4 Quaternary 10311232230210
5 Quinary 131241200024
6 Senary 12020133020
8 Octal 465565444
10 Decimal 81193764
12 Duodecimal 23237170
16 Hexadecimal 4d6eb24
20 Vigesimal 1579484
36 Base36 1cc9ic

Cryptographic Hash Functions

md5 3c4bef19c532ff9e8ddee9582e44c563
sha1 59cf59b02e01b0fbfc1f6400a4700fef532c9afd
sha256 66906cdedcf668490ef3a0f44e14babf933281ca881a2bc079daf274f89ab42a
sha512 6c7d165c28ba9787a200de85c72848c1bf9b831ee5b981d231d4d93c095280eaa64bf7e8822f736453cd3ee86b9775575250e5992d871e194b2605df7f119d02
ripemd-160 5fc47b54741554a911d2390d7b99594f7d4086a7

81193764 as geometric shapes

Circle

Radius = n
Diameter 162387528
Circumference 510155464.99941
Area 2.0710721214236E+16

Sphere

Radius = n
Volume 2.2421085473846E+24
Surface area 8.2842884856944E+16
Circumference 510155464.99941

Square

Length = n
Perimeter 324775056
Area 6592427312487696
Diagonal 114825322.22892

Cube

Length = n
Surface area 39554563874926176
Volume 5.3526398739728E+23
Space diagonal 140631724.50576

Equilateral Triangle

Length = n
Perimeter 243581292
Area 2.8546047626084E+15
Altitude 70315862.252878

Triangular Pyramid

Length = n
Surface area 2.8546047626084E+15
Volume 6.3081465868928E+22
Height 38275107.40964