81103636 is an even 8-digits composite number following 81103635
and preceding 81103637 . In scientific notation, it is written as 8.1103636 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 6 positive divisors.
There are 40551816 positive integers (up to 81103636) that are relatively prime to 81103636.
81103636 has 6 divisors, whose sum is 141931370
The reverse of 81103636 is 63630118
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
eighty-one million one hundred three thousand six hundred thirty-six
Scientific notation
8.1103636 × 10^7
Engineering notation
8.1103636 × 10^6
Prime Factorization
2 × 2 × 20275909
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
40551818
Product of the distinct prime numbers
The prime factorization of 81103636 is 2 × 2 × 20275909.
Since it has a total of 3 prime factors.
5 , 4 , 76 , 54 , 195 , 308 , 7980 , 1388 , 83929 , 67066 , 187377 , 496184 , 6020203 , 3054362 , 19667027 , 923539 , 355795652 , 434096551 , 6728340361 , 4713997758
n×2
162207272
n×3
243310908
n×4
324414544
n×5
405518180
n÷2
40551818
n÷3
27034545.333333
n÷3
20275909
n÷5
16220727.2
n2
6577799772420496
n3
5.3348347842327E+23
n4
4.3267449846055E+31
n5
3.5091475029627E+39
2 √n
9005.7557150969
3 √n
432.85932204948
4 √n
94.898660238682
5 √n
38.177550908917
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81103635
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81103636 can be divided by 6 positive divisors.
The sum of these divisors (counting 81103636) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
100110101011000101100010100
3
Ternary
12122121111021101
4
Quaternary
10311120230110
5
Quinary
131230304021
6
Senary
12014155444
8
Octal
465305424
10
Decimal
81103636
12
Duodecimal
231b2b84
16
Hexadecimal
4d58b14
20
Vigesimal
156hj1g
36
Base36
1cabys
md5
196305ce246a50d2adf50d23fee258a2
sha1
1b3cb901f1d7386cbb236402ab085021d4d0f1fc
sha256
59be46b4f1ad73e3c2d2d2b6a29019382f916011a0b8ce0cbcd57b73b1b17590
sha512
e95f42a81e8ae6cb3f8a1faec4ed6849a04d32c3ccd309d02b095810ef5900b6619b52891d1e5b6530f60f5dd5f00061e8d6d628b26f29c1fe1ecc8f5a61cf0b
ripemd-160
da688b5121def97d817f59e2b762be62909b3a6e
Diameter
162207272
Circumference
509589174.07404
Area
2.0664767441821E+16
Volume
2.2346503688348E+24
Surface area
8.2659069767283E+16
Circumference
509589174.07404
Perimeter
324414544
Area
6577799772420496
Diagonal
114697861.98897
Surface area
39466798634522976
Volume
5.3348347842327E+23
Space diagonal
140475618.23057
Perimeter
243310908
Area
2.8482708519618E+15
Altitude
70237809.115286
Surface area
2.8482708519618E+15
Volume
6.2871630874014E+22
Height
38232620.66299