81103863 (number)

81103863 is an odd 8-digits composite number following 81103862 and preceding 81103864. In scientific notation, it is written as 8.1103863 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 52354560 positive integers (up to 81103863) that are relatively prime to 81103863.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred three thousand eight hundred sixty-three

Notation

Scientific notation 8.1103863 × 10^7
Engineering notation 8.1103863 × 10^6

Prime Factorization of 81103863

Prime Factorization 3 × 41 × 137 × 4813

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81103863
Product of the distinct prime numbers

The prime factorization of 81103863 is 3 × 41 × 137 × 4813. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81103863)

Multiplication

n×y
n×2 162207726
n×3 243311589
n×4 324415452
n×5 405519315

Division

n÷y
n÷2 40551931.5
n÷3 27034621
n÷3 20275965.75
n÷5 16220772.6

Exponentiation

ny
n2 6577836593522769
n3 5.3348795791746E+23
n4 4.3267934251087E+31
n5 3.5091966117932E+39

Nth Root

y√n
2√n 9005.7683181392
3√n 432.8597258907
4√n 94.898726641295
5√n 38.177572279831

Divisors of 81103863

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 -81103862
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 81103863 can be divided by 16 positive divisors. The sum of these divisors (counting 81103863) is 1, the average is 0.0625.

Base conversion 81103863

Base System Value
2 Binary 100110101011000101111110111
3 Ternary 12122121111120210
4 Quaternary 10311120233313
5 Quinary 131230310423
6 Senary 12014200503
8 Octal 465305767
10 Decimal 81103863
12 Duodecimal 231b3133
16 Hexadecimal 4d58bf7
20 Vigesimal 156hjd3
36 Base36 1cac53

Cryptographic Hash Functions

md5 18ba5a91905524a5f4589969e174dfb7
sha1 8c45a4e1b5a5ca1cae4d0591cf7ce770debc1dd4
sha256 30731704ffc13a933f72a45bdce01333ed3c62ee9169f6d2fbb2489150750fc2
sha512 62e093eeff304c0f9b62933c75181e077479fb65293dfd5ee3be631a7d9cfcbe52fafbd350846c994beaba36a8840a24cbc6a5b4ab269bc6fbea39625c7f59bd
ripemd-160 4d5c07636e4a7e5ec216c25ce795f1a10d376adc

81103863 as geometric shapes

Circle

Radius = n
Diameter 162207726
Circumference 509590600.35711
Area 2.0664883118725E+16

Sphere

Radius = n
Volume 2.2346691324961E+24
Surface area 8.2659532474901E+16
Circumference 509590600.35711

Square

Length = n
Perimeter 324415452
Area 6577836593522769
Diagonal 114698183.01545

Cube

Length = n
Surface area 39467019561136614
Volume 5.3348795791746E+23
Space diagonal 140476011.40611

Equilateral Triangle

Length = n
Perimeter 243311589
Area 2.8482867959668E+15
Altitude 70238005.703053

Triangular Pyramid

Length = n
Surface area 2.8482867959668E+15
Volume 6.2872158787466E+22
Height 38232727.671816