81380503 (number)

81380503 is an odd 8-digits composite number following 81380502 and preceding 81380504. In scientific notation, it is written as 8.1380503 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 80697120 positive integers (up to 81380503) that are relatively prime to 81380503.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1380503 × 10^7
Engineering notation 8.1380503 × 10^6

Prime Factorization of 81380503

Prime Factorization 197 × 439 × 941

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81380503
Product of the distinct prime numbers

The prime factorization of 81380503 is 197 × 439 × 941. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81380503)

Multiplication

n×y
n×2 162761006
n×3 244141509
n×4 325522012
n×5 406902515

Division

n÷y
n÷2 40690251.5
n÷3 27126834.333333
n÷3 20345125.75
n÷5 16276100.6

Exponentiation

ny
n2 6622786268533009
n3 5.3896567779471E+23
n4 4.3861297958669E+31
n5 3.5694544901094E+39

Nth Root

y√n
2√n 9021.1142881575
3√n 433.35131950328
4√n 94.97954668326
5√n 38.203581061329

Divisors of 81380503

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81380502
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81380503 can be divided by 8 positive divisors. The sum of these divisors (counting 81380503) is 1, the average is 0.125.

Base conversion 81380503

Base System Value
2 Binary 100110110011100010010010111
3 Ternary 12200010120001201
4 Quaternary 10312130102113
5 Quinary 131313134003
6 Senary 12024133331
8 Octal 466342227
10 Decimal 81380503
12 Duodecimal 23307247
16 Hexadecimal 4d9c497
20 Vigesimal 158cb53
36 Base36 1cg9lj

Cryptographic Hash Functions

md5 0ff476bc02d9112faf27b64e8eefd04e
sha1 7e85874594f88ffdce1b11a289367b5010415d41
sha256 a48cb72c792495fbf9cd68da131cf99e4d7b1fef2fcd0d55b31bf5d1cc14f9f2
sha512 aaefe56989121ff1976f704e64d9ed8585ae1b63d60784dd947a92597894d66566135936ce5f16e2871593388326dc71097ffba2c2864c1902488dffc963f1df
ripemd-160 e353fc448d1dee379a7ab50f381309fe3dae00c9

81380503 as geometric shapes

Circle

Radius = n
Diameter 162761006
Circumference 511328780.74048
Area 2.0806096687519E+16

Sphere

Radius = n
Volume 2.2576141518625E+24
Surface area 8.3224386750075E+16
Circumference 511328780.74048

Square

Length = n
Perimeter 325522012
Area 6622786268533009
Diagonal 115089411.05534

Cube

Length = n
Surface area 39736717611198054
Volume 5.3896567779471E+23
Space diagonal 140955165.94151

Equilateral Triangle

Length = n
Perimeter 244141509
Area 2.8677505761922E+15
Altitude 70477582.970756

Triangular Pyramid

Length = n
Surface area 2.8677505761922E+15
Volume 6.3517714265907E+22
Height 38363137.018448