148905 is an odd 6-digits composite number following 148904
and preceding 148906 . In scientific notation, it is written as 1.48905 × 10^5.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 79344 positive integers (up to 148905) that are relatively prime to 148905.
148905 has 16 divisors, whose sum is 264960
The reverse of 148905 is 509841
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 27
Digital Root 9
Name
one hundred forty-eight thousand nine hundred five
Scientific notation
1.48905 × 10^5
Engineering notation
1.48905 × 10^3
Prime Factorization
9 × 5 × 3 × 1103
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
148905
Product of the distinct prime numbers
The prime factorization of 148905 is 9 × 5 × 3 × 1103.
Since it has a total of 4 prime factors.
10 , 3 , 24 , 10 , 989 , 89 , 6358 , 9037 , 71467 , 82975 , 892011 , 644356 , 9952869 , 9654763 , 92274973 , 70563011 , 713752355 , 345193156 , 3501259169 , 3955252002
n×2
297810
n×3
446715
n×4
595620
n×5
744525
n÷2
74452.5
n÷3
49635
n÷3
37226.25
n÷5
29781
n2
22172699025
n3
3301625748317625
n4
4.9162858205324E+20
n5
7.3205954010637E+25
2 √n
385.88210634856
3 √n
53.003322445095
4 √n
19.64388216083
5 √n
10.828837987375
1 , 3 , 5 , 9 , 15 , 27 , 45 , 135 , 1103 , 3309 , 5515 , 9927 , 16545 , 29781 , 49635 , 148905
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
-148904
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 148905 can be divided by 16 positive divisors.
The sum of these divisors (counting 148905) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100100010110101001
3
Ternary
21120021000
4
Quaternary
210112221
5
Quinary
14231110
6
Senary
3105213
8
Octal
442651
10
Decimal
148905
12
Duodecimal
72209
16
Hexadecimal
245a9
20
Vigesimal
ic55
36
Base36
36w9
md5
abea2eefa54e6c4e9e29919232a1b949
sha1
bd8f0dd66b361dd467db57bc4df9d65bc542ba64
sha256
51c333e66414fab6567115234f92d903259b1351e1daf098b7f5e97e46416907
sha512
79d4f0913410bea4d8d2adae4639a90d3ba05d11c20621783507d0a08c385e2bc0e5e0308dee02a8b000753c15868106ae77e265863fbfcdcd61e282ae7ab53a
ripemd-160
2bdb7d071575b924ec985be3f8d4ac812fa0870c
Diameter
297810
Circumference
935597.70816558
Area
69657588367.198
Volume
1.3829817594423E+16
Surface area
278630353468.79
Circumference
935597.70816558
Perimeter
595620
Area
22172699025
Diagonal
210583.47050517
Surface area
133036194150
Volume
3301625748317625
Space diagonal
257911.02550104
Perimeter
446715
Area
9601060313.0582
Altitude
128955.51275052
Surface area
9601060313.0582
Volume
3.8910032592925E+14
Height
70194.490168389