148909 is an odd 6-digits composite number following 148908
and preceding 148910 . In scientific notation, it is written as 1.48909 × 10^5.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 145404 positive integers (up to 148909) that are relatively prime to 148909.
148909 has 4 divisors, whose sum is 152416
The reverse of 148909 is 909841
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 31
Digital Root 4
Name
one hundred forty-eight thousand nine hundred nine
Scientific notation
1.48909 × 10^5
Engineering notation
1.48909 × 10^3
Prime Factorization
43 × 3463
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
148909
Product of the distinct prime numbers
The prime factorization of 148909 is 43 × 3463.
Since it has a total of 2 prime factors.
2 , 8 , 10 , 80 , 217 , 371 , 3692 , 2996 , 48912 , 19294 , 436488 , 560836 , 1974475 , 4332571 , 19441021 , 61248441 , 510435800 , 750693859 , 97780151 , 7275862543
n×2
297818
n×3
446727
n×4
595636
n×5
744545
n÷2
74454.5
n÷3
49636.333333333
n÷3
37227.25
n÷5
29781.8
n2
22173890281
n3
3301891827853429
n4
4.9168141019383E+20
n5
7.3215787110552E+25
2 √n
385.88728924389
3 √n
53.003797046108
4 √n
19.644014081747
5 √n
10.828896165256
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
-148908
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 148909 can be divided by 4 positive divisors.
The sum of these divisors (counting 148909) is 1, the average is 0.25.
Base
System
Value
2
Binary
100100010110101101
3
Ternary
21120021011
4
Quaternary
210112231
5
Quinary
14231114
6
Senary
3105221
8
Octal
442655
10
Decimal
148909
12
Duodecimal
72211
16
Hexadecimal
245ad
20
Vigesimal
ic59
36
Base36
36wd
md5
4ab51fabd2ea0f563ec64f8951cac5e9
sha1
47fc9ad0955d50f316b99bc92341f1abc80db016
sha256
c61916d9f4363483f13730aafd05681462b1d2303ebed2e58a195d3c33e92033
sha512
047c51a7c0230607d9f0c2973bcdd6c40ef15dbc51f152af2daa233a552f06d9b5850ab01920daf4b90065ca096a222f66bf304c255db182ed907709da3012f8
ripemd-160
19e78adaf9f2981323ff4e018bd93db0d1d4c16b
Diameter
297818
Circumference
935622.84090681
Area
69661330808.296
Volume
1.3830932145777E+16
Surface area
278645323233.18
Circumference
935622.84090681
Perimeter
595636
Area
22173890281
Diagonal
210589.12735942
Surface area
133043341686
Volume
3301891827853429
Space diagonal
257917.95370427
Perimeter
446727
Area
9601576142.0374
Altitude
128958.97685214
Surface area
9601576142.0374
Volume
3.8913168370327E+14
Height
70196.375786472