81108701 is an odd 8-digits composite number following 81108700
and preceding 81108702 . In scientific notation, it is written as 8.1108701 × 10^7.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 74964960 positive integers (up to 81108701) that are relatively prime to 81108701.
81108701 has 8 divisors, whose sum is 87460800
The reverse of 81108701 is 10780118
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
eighty-one million one hundred eight thousand seven hundred one
Scientific notation
8.1108701 × 10^7
Engineering notation
8.1108701 × 10^6
Prime Factorization
41 × 19 × 104119
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81108701
Product of the distinct prime numbers
The prime factorization of 81108701 is 41 × 19 × 104119.
Since it has a total of 3 prime factors.
4 , 6 , 2 , 65 , 93 , 305 , 2838 , 848 , 36866 , 78023 , 314503 , 610475 , 8990823 , 1465275 , 436983 , 88114662 , 720856039 , 691005783 , 5809804888 , 4650471325
n×2
162217402
n×3
243326103
n×4
324434804
n×5
405543505
n÷2
40554350.5
n÷3
27036233.666667
n÷3
20277175.25
n÷5
16221740.2
n2
6578621377907401
n3
5.335834343329E+23
n4
4.327825923386E+31
n5
3.5102433879997E+39
2 √n
9006.0369197555
3 √n
432.86833268877
4 √n
94.900141832115
5 √n
38.178027741953
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
-81108700
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 81108701 can be divided by 8 positive divisors.
The sum of these divisors (counting 81108701) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110101011001111011011101
3
Ternary
12122121202012222
4
Quaternary
10311121323131
5
Quinary
131230434301
6
Senary
12014235125
8
Octal
465317335
10
Decimal
81108701
12
Duodecimal
231b5aa5
16
Hexadecimal
4d59edd
20
Vigesimal
156ibf1
36
Base36
1cafvh
md5
c09ca4072f8ae1b1370c48608b8512ef
sha1
b86622ff4281db8a79e3f6a26d2687b927929b65
sha256
aab11f45bba8bb2e994399f82d4bb3e22a44ec1ab59eb0f68e9b03e1abf0d767
sha512
3c670248f535690e05d82ed47b7487f019fe3afd5dd375212b69e0094dbdf82d5a21ee24ed190337586cc1175e9eb85b928b2e81c999253938a359aded0f603f
ripemd-160
55a48b9eadc9bb6860fa66d9e1bb9c97c5679991
Diameter
162217402
Circumference
509620998.40762
Area
2.0667348591583E+16
Volume
2.2350690631699E+24
Surface area
8.2669394366331E+16
Circumference
509620998.40762
Perimeter
324434804
Area
6578621377907401
Diagonal
114705024.98066
Surface area
39471728267444406
Volume
5.335834343329E+23
Space diagonal
140484391.06791
Perimeter
243326103
Area
2.8486266175736E+15
Altitude
70242195.533956
Surface area
2.8486266175736E+15
Volume
6.2883410790933E+22
Height
38235008.326888