81106588 is an even 8-digits composite number following 81106587
and preceding 81106589 . In scientific notation, it is written as 8.1106588 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors.
There are 40524512 positive integers (up to 81106588) that are relatively prime to 81106588.
81106588 has 12 divisors, whose sum is 142037280
The reverse of 81106588 is 88560118
Previous prime number is 1583
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
eighty-one million one hundred six thousand five hundred eighty-eight
Scientific notation
8.1106588 × 10^7
Engineering notation
8.1106588 × 10^6
Prime Factorization
2 × 2 × 1583 × 12809
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
40553294
Product of the distinct prime numbers
The prime factorization of 81106588 is 2 × 2 × 1583 × 12809.
Since it has a total of 4 prime factors.
10 , 10 , 42 , 7 , 141 , 560 , 1725 , 8214 , 98531 , 68982 , 553903 , 868848 , 7853973 , 1349435 , 95044585 , 72428590 , 604935715 , 772073392 , 1784961207 , 5365161497
n×2
162213176
n×3
243319764
n×4
324426352
n×5
405532940
n÷2
40553294
n÷3
27035529.333333
n÷3
20276647
n÷5
16221317.6
n2
6578278617001744
n3
5.3354173353837E+23
n4
4.3273749562902E+31
n5
3.5097861770135E+39
2 √n
9005.9196087907
3 √n
432.86457370558
4 √n
94.899523754288
5 √n
38.177828821215
1 , 2 , 4 , 1583 , 3166 , 6332 , 12809 , 25618 , 51236 , 20276647 , 40553294 , 81106588
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81106587
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81106588 can be divided by 12 positive divisors.
The sum of these divisors (counting 81106588) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110101011001011010011100
3
Ternary
12122121122022201
4
Quaternary
10311121122130
5
Quinary
131230402323
6
Senary
12014221244
8
Octal
465313234
10
Decimal
81106588
12
Duodecimal
231b4824
16
Hexadecimal
4d5969c
20
Vigesimal
156i698
36
Base36
1cae8s
md5
169b37ca0d4992fd02bdf8b9b7d3a719
sha1
537b3115923e761d9a595366419dd3b6fbab150b
sha256
0a355f92124e8330fcd069ce779467b438361fb9db83e11047e2aa50b3706e00
sha512
d4bef1f63e13890e0a27c49bec7fb1657b14a0d85273701d520f2cd0631f66bc2cb9f50f39738233122c9cd7da4fbc91b9e375230dcebe2351cb962452e1ccc0
ripemd-160
ad8f3f0b50853dd8112edb918dd259ddc027b069
Diameter
162213176
Circumference
509607722.03707
Area
2.066627177644E+16
Volume
2.2348943872903E+24
Surface area
8.2665087105758E+16
Circumference
509607722.03707
Perimeter
324426352
Area
6578278617001744
Diagonal
114702036.74741
Surface area
39469671702010464
Volume
5.3354173353837E+23
Space diagonal
140480731.24456
Perimeter
243319764
Area
2.8484781977477E+15
Altitude
70240365.622278
Surface area
2.8484781977477E+15
Volume
6.2878496305168E+22
Height
38234012.249136