81550110 is an even 8-digits composite number following 81550109
and preceding 81550111 . In scientific notation, it is written as 8.1550110 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 21746688 positive integers (up to 81550110) that are relatively prime to 81550110.
81550110 has 16 divisors, whose sum is 195720336
The reverse of 81550110 is 01105518
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
eighty-one million five hundred fifty thousand one hundred ten
Scientific notation
8.1550110 × 10^7
Engineering notation
8.1550110 × 10^6
Prime Factorization
2 × 3 × 5 × 2718337
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81550110
Product of the distinct prime numbers
The prime factorization of 81550110 is 2 × 3 × 5 × 2718337.
Since it has a total of 4 prime factors.
9 , 2 , 71 , 4 , 889 , 380 , 9337 , 1807 , 34639 , 63393 , 974357 , 874463 , 4004584 , 1666308 , 50803909 , 92769369 , 208946396 , 432065008 , 9954967489 , 855142293
n×2
163100220
n×3
244650330
n×4
326200440
n×5
407750550
n÷2
40775055
n÷3
27183370
n÷3
20387527.5
n÷5
16310022
n2
6650420441012100
n3
5.4234251851079E+23
n4
4.4228092042232E+31
n5
3.6068057711341E+39
2 √n
9030.5099523781
3 √n
433.65216312455
4 √n
95.02899532447
5 √n
38.219491997167
1 , 2 , 3 , 5 , 6 , 10 , 15 , 30 , 2718337 , 5436674 , 8155011 , 13591685 , 16310022 , 27183370 , 40775055 , 81550110
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
-81550109
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 81550110 can be divided by 16 positive divisors.
The sum of these divisors (counting 81550110) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110111000101101100011110
3
Ternary
12200110011201110
4
Quaternary
10313011230132
5
Quinary
131334100420
6
Senary
12031522450
8
Octal
467055436
10
Decimal
81550110
12
Duodecimal
23389426
16
Hexadecimal
4dc5b1e
20
Vigesimal
159df5a
36
Base36
1cjwgu
md5
cd01383a57d4f67565e4b9d1d5e02924
sha1
8dfd7962f9f63bd033419cac5c15ea0773380702
sha256
2c75e806a68dc7b78296d7ff9dc3eee18cbdae4817cf2d18c2ce81bf5ab57ab5
sha512
f593b8164637dd158f373d02eb3f95a89aa886eee74ff10276fb3e4a002fbe1f4bf4cb88e6b01b1d9dea802176f36033b6e88b6d6243ed344ed6ea89ef9d4c15
ripemd-160
e446c0375a7ec35728b80d1cce859f5d615f1ac6
Diameter
163100220
Circumference
512394452.95088
Area
2.0892912000767E+16
Volume
2.2717590291772E+24
Surface area
8.3571648003068E+16
Circumference
512394452.95088
Perimeter
326200440
Area
6650420441012100
Diagonal
115329271.57502
Surface area
39902522646072600
Volume
5.4234251851079E+23
Space diagonal
141248933.88283
Perimeter
244650330
Area
2.8797165238819E+15
Altitude
70624466.941415
Surface area
2.8797165238819E+15
Volume
6.3915678760795E+22
Height
38443090.525006