81296107 is an odd 8-digits composite number following 81296106
and preceding 81296108 . In scientific notation, it is written as 8.1296107 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 81168640 positive integers (up to 81296107) that are relatively prime to 81296107.
81296107 has 4 divisors, whose sum is 81423576
The reverse of 81296107 is 70169218
Previous prime number is 641
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighty-one million two hundred ninety-six thousand one hundred seven
Scientific notation
8.1296107 × 10^7
Engineering notation
8.1296107 × 10^6
Prime Factorization
641 × 126827
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81296107
Product of the distinct prime numbers
The prime factorization of 81296107 is 641 × 126827.
Since it has a total of 2 prime factors.
8 , 5 , 91 , 83 , 250 , 5 , 8351 , 5836 , 96783 , 9110 , 872490 , 713576 , 9730653 , 2178415 , 22517924 , 14680927 , 280748613 , 768667257 , 4133972803 , 2809772982
n×2
162592214
n×3
243888321
n×4
325184428
n×5
406480535
n÷2
40648053.5
n÷3
27098702.333333
n÷3
20324026.75
n÷5
16259221.4
n2
6609057013355449
n3
5.3729060612685E+23
n4
4.3679634605783E+31
n5
3.5509842486326E+39
2 √n
9016.435382123
3 √n
433.20146474008
4 √n
94.954912364359
5 √n
38.195653934753
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81296106
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81296107 can be divided by 4 positive divisors.
The sum of these divisors (counting 81296107) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110110000111101011101011
3
Ternary
12122222021021221
4
Quaternary
10312013223223
5
Quinary
131302433412
6
Senary
12022242511
8
Octal
466075353
10
Decimal
81296107
12
Duodecimal
23286437
16
Hexadecimal
4d87aeb
20
Vigesimal
1582057
36
Base36
1cegh7
md5
ccb61d97445813730ad10c3de76f7821
sha1
6820d2a9b42b80779053fb0edb93cf3b10427489
sha256
a6090ba88e54003beca7db2076456197d4d2456c916fe730e61d13da3a4459e7
sha512
41bdcd6c7c8411f9cabc130ad8061824ace8e4f35278cdb4445a0c4898358c843e9e0c363015a6a538f7f8616fde36c9b651f38142787998c7ae31e40af2aec6
ripemd-160
980401be82ea23d9b10589cec3f146ad48e1fb78
Diameter
162592214
Circumference
510798505.0333
Area
2.0762964960314E+16
Volume
2.2505976280679E+24
Surface area
8.3051859841254E+16
Circumference
510798505.0333
Perimeter
325184428
Area
6609057013355449
Diagonal
114970057.08753
Surface area
39654342080132694
Volume
5.3729060612685E+23
Space diagonal
140808987.78156
Perimeter
243888321
Area
2.8618056343128E+15
Altitude
70404493.890778
Surface area
2.8618056343128E+15
Volume
6.3320305176687E+22
Height
38323352.362511