81016877 is an odd 8-digits composite number following 81016876
and preceding 81016878 . In scientific notation, it is written as 8.1016877 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 80531580 positive integers (up to 81016877) that are relatively prime to 81016877.
81016877 has 4 divisors, whose sum is 81502176
The reverse of 81016877 is 77861018
Previous prime number is 167
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighty-one million sixteen thousand eight hundred seventy-seven
Scientific notation
8.1016877 × 10^7
Engineering notation
8.1016877 × 10^6
Prime Factorization
167 × 485131
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81016877
Product of the distinct prime numbers
The prime factorization of 81016877 is 167 × 485131.
Since it has a total of 2 prime factors.
1 , 8 , 85 , 14 , 711 , 998 , 465 , 1908 , 99320 , 72136 , 768467 , 232731 , 5490872 , 232328 , 14309083 , 80430739 , 778113331 , 285278423 , 8614969114 , 1701355674
n×2
162033754
n×3
243050631
n×4
324067508
n×5
405084385
n÷2
40508438.5
n÷3
27005625.666667
n÷3
20254219.25
n÷5
16203375.4
n2
6563734358833129
n3
5.3177325921026E+23
n4
4.3082608733327E+31
n5
3.490418412587E+39
2 √n
9000.9375622765
3 √n
432.70491943254
4 √n
94.873271063438
5 √n
38.169379476668
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
-81016876
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 81016877 can be divided by 4 positive divisors.
The sum of these divisors (counting 81016877) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110101000011100000101101
3
Ternary
12122110002021002
4
Quaternary
10311003200231
5
Quinary
131220020002
6
Senary
12012250045
8
Octal
465034055
10
Decimal
81016877
12
Duodecimal
23170925
16
Hexadecimal
4d4382d
20
Vigesimal
156723h
36
Base36
1c8h0t
md5
7a30a2c046dd6ca500f261f3da9a2f27
sha1
5aa07a83c527d7faea7d9444556a7c47282c9227
sha256
725c6ff28e639b7fd6354f0238487602a3e45e17a0ca77d89dd10c24bdfcef2b
sha512
8a100cce6f0b196dfb3f8d3145594428a9415749c29519e9558a7a6f0a11cf48208b22d3d30c8d9e94c30027d3d90fe6b908cef1256b082bbf4eaedb250a234c
ripemd-160
0719d93c215cee12b8f01a44d8d07f60526f7987
Diameter
162033754
Circumference
509044051.19998
Area
2.0620579641825E+16
Volume
2.2274866193473E+24
Surface area
8.24823185673E+16
Circumference
509044051.19998
Perimeter
324067508
Area
6563734358833129
Diagonal
114575166.23451
Surface area
39382406152998774
Volume
5.3177325921026E+23
Space diagonal
140325347.23456
Perimeter
243050631
Area
2.8421803492211E+15
Altitude
70162673.617279
Surface area
2.8421803492211E+15
Volume
6.2670079606874E+22
Height
38191722.078171