81103640 (number)

81103640 is an even 8-digits composite number following 81103639 and preceding 81103641. In scientific notation, it is written as 8.1103640 × 10^7. The sum of its digits is 23. It has a total of 6 prime factors and 32 positive divisors. There are 32105472 positive integers (up to 81103640) that are relatively prime to 81103640.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1103640 × 10^7
Engineering notation 8.1103640 × 10^6

Prime Factorization of 81103640

Prime Factorization 2 × 2 × 2 × 5 × 97 × 20903

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 20275910
Product of the distinct prime numbers

The prime factorization of 81103640 is 2 × 2 × 2 × 5 × 97 × 20903. Since it has a total of 6 prime factors.

Most popular turbo-numbers

1, 10, 73, 36, 691, 138, 4470, 3183, 89675, 16104, 980528, 885707, 4370070, 3641030, 43444736, 39258411, 119832971, 670838109, 7589211287, 1425069564

Basic calculations (n = 81103640)

Multiplication

n×y
n×2 162207280
n×3 243310920
n×4 324414560
n×5 405518200

Division

n÷y
n÷2 40551820
n÷3 27034546.666667
n÷3 20275910
n÷5 16220728

Exponentiation

ny
n2 6577800421249600
n3 5.3348355735688E+23
n4 4.3267458381791E+31
n5 3.5091483683118E+39

Nth Root

y√n
2√n 9005.7559371771
3√n 432.85932916563
4√n 94.898661408774
5√n 38.177551285497

Divisors of 81103640

1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 20903, 41806, 83612, 104515, 167224, 209030, 418060, 836120, 2027591, 4055182, 8110364, 10137955, 16220728, 20275910, 40551820, 81103640

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 -81103639
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 81103640 can be divided by 32 positive divisors. The sum of these divisors (counting 81103640) is 1, the average is 0.03125.

Base conversion 81103640

Base System Value
2 Binary 100110101011000101100011000
3 Ternary 12122121111021112
4 Quaternary 10311120230120
5 Quinary 131230304030
6 Senary 12014155452
8 Octal 465305430
10 Decimal 81103640
12 Duodecimal 231b2b88
16 Hexadecimal 4d58b18
20 Vigesimal 156hj20
36 Base36 1cabyw

Cryptographic Hash Functions

md5 eee3f2d32eb5ba414b7aace3a2b721e1
sha1 f4408b9d81859ebb1c11248249c40c03f5457685
sha256 cd9474628e5856ba26e105c4492475148a58d056c047801a8fc63358cae6cfbe
sha512 2ce15b02de1f8f6fd70f82db8883973631fd1df0aa2690271d370f4da5979a7898677ed7d4f575c70c43ecb8fa26e6e505988cce592fd9a6e6efe7e277e00d57
ripemd-160 ec43649f4838bc6dd14f3bff246848ae1b4319ae

81103640 as geometric shapes

Circle

Radius = n
Diameter 162207280
Circumference 509589199.20678
Area 2.0664769480178E+16

Sphere

Radius = n
Volume 2.2346506994711E+24
Surface area 8.265907792071E+16
Circumference 509589199.20678

Square

Length = n
Perimeter 324414560
Area 6577800421249600
Diagonal 114697867.64583

Cube

Length = n
Surface area 39466802527497600
Volume 5.3348355735688E+23
Space diagonal 140475625.15878

Equilateral Triangle

Length = n
Perimeter 243310920
Area 2.8482711329131E+15
Altitude 70237812.579388

Triangular Pyramid

Length = n
Surface area 2.8482711329131E+15
Volume 6.2871640176428E+22
Height 38232622.548608