81361203 is an odd 8-digits composite number following 81361202
and preceding 81361204 . In scientific notation, it is written as 8.1361203 × 10^7.
The sum of its digits is 24. It has a total of 5 prime factors and 32 positive divisors.
There are 41277600 positive integers (up to 81361203) that are relatively prime to 81361203.
81361203 has 32 divisors, whose sum is 138412032
The reverse of 81361203 is 30216318
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
eighty-one million three hundred sixty-one thousand two hundred three
Scientific notation
8.1361203 × 10^7
Engineering notation
8.1361203 × 10^6
Prime Factorization
43 × 3 × 11 × 7 × 8191
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
81361203
Product of the distinct prime numbers
The prime factorization of 81361203 is 43 × 3 × 11 × 7 × 8191.
Since it has a total of 5 prime factors.
3 , 6 , 35 , 3 , 896 , 838 , 2835 , 4485 , 3179 , 79727 , 303657 , 650089 , 7443572 , 608312 , 41483172 , 22033719 , 175503045 , 970645163 , 4320142074 , 7390798225
n×2
162722406
n×3
244083609
n×4
325444812
n×5
406806015
n÷2
40680601.5
n÷3
27120401
n÷3
20340300.75
n÷5
16272240.6
n2
6619645353607209
n3
5.3858230940284E+23
n4
4.3819704607534E+31
n5
3.5652238819736E+39
2 √n
9020.0445120853
3 √n
433.31705928363
4 √n
94.973914903437
5 √n
38.201768835937
1 , 3 , 7 , 11 , 21 , 33 , 43 , 77 , 129 , 231 , 301 , 473 , 903 , 1419 , 3311 , 8191 , 9933 , 24573 , 57337 , 90101 , 172011 , 270303 , 352213 , 630707 , 1056639 , 1892121 , 2465491 , 3874343 , 7396473 , 11623029 , 27120401 , 81361203
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
-81361202
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 81361203 can be divided by 32 positive divisors.
The sum of these divisors (counting 81361203) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100110110010111100100110011
3
Ternary
12200002120120220
4
Quaternary
10312113210303
5
Quinary
131312024303
6
Senary
12023504123
8
Octal
466274463
10
Decimal
81361203
12
Duodecimal
232b8043
16
Hexadecimal
4d97933
20
Vigesimal
158a303
36
Base36
1cfupf
md5
64d4beec8faa2201bcc90e40567a2f78
sha1
6f2592a7b22a5e2f4f41d80d48eefc548b86c4b4
sha256
4bf0713074d4c72e9f19f5130a917a363beec49d1b51ccc55b13fd252a552761
sha512
09b461d3f8c6f1faaeb71d5ff10b56ddecd1f83e615121558416b5dc5db8de0779edac3c4b114e305064b768c4da664a8f00ce2386d66da7f83b7cd75e76c3fe
ripemd-160
52283fe023f9874208bda87c798efeae1369b164
Diameter
162722406
Circumference
511207515.26406
Area
2.0796229212262E+16
Volume
2.2560083020979E+24
Surface area
8.3184916849049E+16
Circumference
511207515.26406
Perimeter
325444812
Area
6619645353607209
Diagonal
115062116.73359
Surface area
39717872121643254
Volume
5.3858230940284E+23
Space diagonal
140921737.36093
Perimeter
244083609
Area
2.8663905201337E+15
Altitude
70460868.680463
Surface area
2.8663905201337E+15
Volume
6.3472533867644E+22
Height
38354038.911197