81104042 is an even 8-digits composite number following 81104041
and preceding 81104043 . In scientific notation, it is written as 8.1104042 × 10^7.
The sum of its digits is 20. It has a total of 4 prime factors and 16 positive divisors.
There are 37971648 positive integers (up to 81104042) that are relatively prime to 81104042.
81104042 has 16 divisors, whose sum is 129470400
The reverse of 81104042 is 24040118
Previous prime number is 199
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
eighty-one million one hundred four thousand forty-two
Scientific notation
8.1104042 × 10^7
Engineering notation
8.1104042 × 10^6
Prime Factorization
2 × 17 × 199 × 11987
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81104042
Product of the distinct prime numbers
The prime factorization of 81104042 is 2 × 17 × 199 × 11987.
Since it has a total of 4 prime factors.
3 , 6 , 69 , 42 , 158 , 27 , 7649 , 4086 , 67550 , 53198 , 559282 , 845304 , 7330317 , 2893501 , 64293197 , 68943704 , 371017713 , 793963038 , 6334176333 , 614450389
n×2
162208084
n×3
243312126
n×4
324416168
n×5
405520210
n÷2
40552021
n÷3
27034680.666667
n÷3
20276010.5
n÷5
16220808.4
n2
6577865628737764
n3
5.334914902235E+23
n4
4.326831622973E+31
n5
3.5092353367653E+39
2 √n
9005.7782562086
3 √n
432.86004433765
4 √n
94.898779002728
5 √n
38.177589131752
1 , 2 , 17 , 34 , 199 , 398 , 3383 , 6766 , 11987 , 23974 , 203779 , 407558 , 2385413 , 4770826 , 40552021 , 81104042
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81104041
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81104042 can be divided by 16 positive divisors.
The sum of these divisors (counting 81104042) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110101011000110010101010
3
Ternary
12122121111211102
4
Quaternary
10311120302222
5
Quinary
131230312132
6
Senary
12014201402
8
Octal
465306252
10
Decimal
81104042
12
Duodecimal
231b3262
16
Hexadecimal
4d58caa
20
Vigesimal
156i022
36
Base36
1caca2
md5
5658b292528ce1c2fb4025f1034b066e
sha1
15d0d597110889d29f8f4b31bf5451a6e09adbf6
sha256
a7061d351179c8a06c71d0a93a330416c44e520ea1fa9491371c3db062293f1a
sha512
66f543346f7a177d001f759bb7a297a91e1821932998a0a90bd8eff11c5e770d3d184b06cfdcff6b2be1a93168c223b6d1a84093ec03b05b35e0b323ddecedf1
ripemd-160
76c8b84a51b115575983c99a49647a002195f5f2
Diameter
162208084
Circumference
509591725.04728
Area
2.0664974335543E+16
Volume
2.2346839285851E+24
Surface area
8.2659897342173E+16
Circumference
509591725.04728
Perimeter
324416168
Area
6577865628737764
Diagonal
114698436.15968
Surface area
39467193772426584
Volume
5.334914902235E+23
Space diagonal
140476321.4432
Perimeter
243312126
Area
2.8482993685837E+15
Altitude
70238160.7216
Surface area
2.8482993685837E+15
Volume
6.2872575073726E+22
Height
38232812.053226