81127976 is an even 8-digits composite number following 81127975
and preceding 81127977 . In scientific notation, it is written as 8.1127976 × 10^7.
The sum of its digits is 41. It has a total of 5 prime factors and 16 positive divisors.
There are 39467520 positive integers (up to 81127976) that are relatively prime to 81127976.
81127976 has 16 divisors, whose sum is 156226740
The reverse of 81127976 is 67972118
Previous prime number is 37
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
eighty-one million one hundred twenty-seven thousand nine hundred seventy-six
Scientific notation
8.1127976 × 10^7
Engineering notation
8.1127976 × 10^6
Prime Factorization
2 × 2 × 2 × 37 × 274081
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20281994
Product of the distinct prime numbers
The prime factorization of 81127976 is 2 × 2 × 2 × 37 × 274081.
Since it has a total of 5 prime factors.
8 , 8 , 53 , 43 , 769 , 58 , 5690 , 7887 , 86787 , 53101 , 913454 , 462436 , 5439070 , 578375 , 30528236 , 97063921 , 15033380 , 207636335 , 2526662633 , 4975830113
n×2
162255952
n×3
243383928
n×4
324511904
n×5
405639880
n÷2
40563988
n÷3
27042658.666667
n÷3
20281994
n÷5
16225595.2
n2
6581748489856576
n3
5.3396393352312E+23
n4
4.3319413183729E+31
n5
3.5144163131037E+39
2 √n
9007.1069717196
3 √n
432.90261950044
4 √n
94.905779443191
5 √n
38.179842125699
1 , 2 , 4 , 8 , 37 , 74 , 148 , 296 , 274081 , 548162 , 1096324 , 2192648 , 10140997 , 20281994 , 40563988 , 81127976
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
-81127975
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 81127976 can be divided by 16 positive divisors.
The sum of these divisors (counting 81127976) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110101011110101000101000
3
Ternary
12122122201122212
4
Quaternary
10311132220220
5
Quinary
131232043401
6
Senary
12014504252
8
Octal
465365050
10
Decimal
81127976
12
Duodecimal
23205088
16
Hexadecimal
4d5ea28
20
Vigesimal
1570jig
36
Base36
1cauqw
md5
dc72ce31a7e2ec4cf4658f35aa94ece3
sha1
7c8f2656f6e80103c0ed32b5f6cd3f8cee9ed93d
sha256
0060ac4bef759eafe097f5399fc06bb1bbe3d30ebf48303b6974f92c9d4fccc3
sha512
4d69772844a2ccdb72ff005abcc39c9f8ca57c89caf1bcff41fa8997d4c2521e33ec3dc4a88cb2dea5597b5dfdd46d0bdb33e754e996cc549cc8e93b17d8b11d
ripemd-160
827419d3ab9dad4e1a3686e56b7a3fce2a4148ed
Diameter
162255952
Circumference
509742106.80442
Area
2.0677172703509E+16
Volume
2.2366628944509E+24
Surface area
8.2708690814037E+16
Circumference
509742106.80442
Perimeter
324511904
Area
6581748489856576
Diagonal
114732283.94708
Surface area
39490490939139456
Volume
5.3396393352312E+23
Space diagonal
140517776.34723
Perimeter
243383928
Area
2.8499806967678E+15
Altitude
70258888.173614
Surface area
2.8499806967678E+15
Volume
6.292825305054E+22
Height
38244094.649026