181820106 is an even 9-digits composite number following 181820105
and preceding 181820107 . In scientific notation, it is written as 1.81820106 × 10^8.
The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors.
There are 53507520 positive integers (up to 181820106) that are relatively prime to 181820106.
181820106 has 32 divisors, whose sum is 382727808
The reverse of 181820106 is 601028181
Previous prime number is 23
Is Prime? no
Number parity even
Number length 9
Sum of Digits 27
Digital Root 9
Name
one hundred eighty-one million eight hundred twenty thousand one hundred six
Scientific notation
1.81820106 × 10^8
Engineering notation
1.81820106 × 10^6
Prime Factorization
2 × 117 × 3 × 23 × 11261
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
181820106
Product of the distinct prime numbers
The prime factorization of 181820106 is 2 × 117 × 3 × 23 × 11261.
Since it has a total of 5 prime factors.
8 , 3 , 2 , 21 , 419 , 986 , 7260 , 1587 , 51971 , 20250 , 27827 , 813707 , 2368770 , 5541874 , 22585322 , 20805293 , 444619820 , 452092559 , 2585673614 , 8032273053
n×2
363640212
n×3
545460318
n×4
727280424
n×5
909100530
n÷2
90910053
n÷3
60606702
n÷3
45455026.5
n÷5
36364021.2
n2
33058550945851236
n3
6.0107092371811E+24
n4
1.0928677906394E+33
n5
1.9870533753805E+41
2 √n
13484.068599648
3 √n
566.51833341645
4 √n
116.12092231656
5 √n
44.86713942868
1 , 2 , 3 , 6 , 23 , 46 , 69 , 117 , 138 , 234 , 351 , 702 , 2691 , 5382 , 8073 , 11261 , 16146 , 22522 , 33783 , 67566 , 259003 , 518006 , 777009 , 1317537 , 1554018 , 2635074 , 3952611 , 7905222 , 30303351 , 60606702 , 90910053 , 181820106
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-181820105
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 181820106 can be divided by 32 positive divisors.
The sum of these divisors (counting 181820106) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010110101100101101011001010
3
Ternary
110200010102022000
4
Quaternary
22311211223022
5
Quinary
333021220411
6
Senary
30013011430
8
Octal
1265455312
10
Decimal
181820106
12
Duodecimal
50a83b76
16
Hexadecimal
ad65aca
20
Vigesimal
2gg7a56
36
Base36
3091ai
md5
3ba80618957f5749841cba75b069c3cd
sha1
5ee6f7d814ce8fe33c9af2e18667e053e879c707
sha256
14febc762acd17062c9b8084ebaaca44e58b81a95653cff321f708073d8f7262
sha512
a280331c6741bc99795f8d3a80d281341102c0a0120f72e1d3b4bb8dd26148c051ba1273c5051d9aeca1abd8e035c3d60b2e366999557321debc665f472a8c00
ripemd-160
a2eeb92759532bebfe2e70a8b03ad4677d8d3a26
Diameter
363640212
Circumference
1142409418.569
Area
1.0385650078981E+17
Volume
2.5177599976523E+25
Surface area
4.1542600315924E+17
Circumference
1142409418.569
Perimeter
727280424
Area
33058550945851236
Diagonal
257132459.81731
Surface area
198351305675107416
Volume
6.0107092371811E+24
Space diagonal
314921661.42956
Perimeter
545460318
Area
1.4314772465705E+16
Altitude
157460830.71478
Surface area
1.4314772465705E+16
Volume
7.0836887689189E+23
Height
85710819.939105