81016874 is an even 8-digits composite number following 81016873
and preceding 81016875 . In scientific notation, it is written as 8.1016874 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 38376396 positive integers (up to 81016874) that are relatively prime to 81016874.
81016874 has 8 divisors, whose sum is 127921440
The reverse of 81016874 is 47861018
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighty-one million sixteen thousand eight hundred seventy-four
Scientific notation
8.1016874 × 10^7
Engineering notation
8.1016874 × 10^6
Prime Factorization
2 × 19 × 2132023
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81016874
Product of the distinct prime numbers
The prime factorization of 81016874 is 2 × 19 × 2132023.
Since it has a total of 3 prime factors.
8 , 3 , 16 , 5 , 417 , 152 , 536 , 5955 , 32094 , 86490 , 312317 , 32819 , 4588472 , 3235099 , 35921002 , 95464267 , 929108318 , 788364074 , 3900031702 , 5010318503
n×2
162033748
n×3
243050622
n×4
324067496
n×5
405084370
n÷2
40508437
n÷3
27005624.666667
n÷3
20254218.5
n÷5
16203374.8
n2
6563733872731876
n3
5.3177320013665E+23
n4
4.3082602352048E+31
n5
3.490417766348E+39
2 √n
9000.9373956272
3 √n
432.70491409162
4 √n
94.873270185164
5 √n
38.169379193991
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
-81016873
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 81016874 can be divided by 8 positive divisors.
The sum of these divisors (counting 81016874) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110101000011100000101010
3
Ternary
12122110002020222
4
Quaternary
10311003200222
5
Quinary
131220014444
6
Senary
12012250042
8
Octal
465034052
10
Decimal
81016874
12
Duodecimal
23170922
16
Hexadecimal
4d4382a
20
Vigesimal
156723e
36
Base36
1c8h0q
md5
26ffa262d5f8fcea354c713737a4af1e
sha1
0cc1d75fd9ab1883d28e4af92b6c5965d0c9add3
sha256
56b92b7d5e327b54f56530e88aee1299cacc41c598ddf9ea18cc84d1d7e7824b
sha512
0087f993da965f7e28433c33d90086e92ff2ec9712c66456e21c44ad56df5f2c30610f6b47e7df8f449f7633243e0993db0f5e558e9b7275d0d200f61e7506b2
ripemd-160
48e0b8f1f98e31b86881fc73de26ea6d61b6be70
Diameter
162033748
Circumference
509044032.35042
Area
2.0620578114693E+16
Volume
2.2274863719003E+24
Surface area
8.2482312458772E+16
Circumference
509044032.35042
Perimeter
324067496
Area
6563733872731876
Diagonal
114575161.99187
Surface area
39382403236391256
Volume
5.3177320013665E+23
Space diagonal
140325342.03841
Perimeter
243050622
Area
2.8421801387331E+15
Altitude
70162671.019203
Surface area
2.8421801387331E+15
Volume
6.2670072644983E+22
Height
38191720.663957