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.
81380503 has 8 divisors, whose sum is 82067040
The reverse of 81380503 is 30508318
Previous prime number is 439
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
eighty-one million three hundred eighty thousand five hundred three
Scientific notation
8.1380503 × 10^7
Engineering notation
8.1380503 × 10^6
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.
4 , 1 , 98 , 38 , 848 , 598 , 589 , 8267 , 93869 , 67021 , 608102 , 727073 , 8355432 , 2438751 , 93453479 , 39697394 , 956383722 , 78060909 , 5884811588 , 1353844315
n×2
162761006
n×3
244141509
n×4
325522012
n×5
406902515
n÷2
40690251.5
n÷3
27126834.333333
n÷3
20345125.75
n÷5
16276100.6
n2
6622786268533009
n3
5.3896567779471E+23
n4
4.3861297958669E+31
n5
3.5694544901094E+39
2 √n
9021.1142881575
3 √n
433.35131950328
4 √n
94.97954668326
5 √n
38.203581061329
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
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
md5
0ff476bc02d9112faf27b64e8eefd04e
sha1
7e85874594f88ffdce1b11a289367b5010415d41
sha256
a48cb72c792495fbf9cd68da131cf99e4d7b1fef2fcd0d55b31bf5d1cc14f9f2
sha512
aaefe56989121ff1976f704e64d9ed8585ae1b63d60784dd947a92597894d66566135936ce5f16e2871593388326dc71097ffba2c2864c1902488dffc963f1df
ripemd-160
e353fc448d1dee379a7ab50f381309fe3dae00c9
Diameter
162761006
Circumference
511328780.74048
Area
2.0806096687519E+16
Volume
2.2576141518625E+24
Surface area
8.3224386750075E+16
Circumference
511328780.74048
Perimeter
325522012
Area
6622786268533009
Diagonal
115089411.05534
Surface area
39736717611198054
Volume
5.3896567779471E+23
Space diagonal
140955165.94151
Perimeter
244141509
Area
2.8677505761922E+15
Altitude
70477582.970756
Surface area
2.8677505761922E+15
Volume
6.3517714265907E+22
Height
38363137.018448