144639 is an odd 6-digits composite number following 144638
and preceding 144640 . In scientific notation, it is written as 1.44639 × 10^5.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 87480 positive integers (up to 144639) that are relatively prime to 144639.
144639 has 16 divisors, whose sum is 234240
The reverse of 144639 is 936441
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 27
Digital Root 9
Name
one hundred forty-four thousand six hundred thirty-nine
Scientific notation
1.44639 × 10^5
Engineering notation
1.44639 × 10^3
Prime Factorization
9 × 3 × 11 × 487
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
144639
Product of the distinct prime numbers
The prime factorization of 144639 is 9 × 3 × 11 × 487.
Since it has a total of 4 prime factors.
1 , 7 , 42 , 20 , 500 , 298 , 2291 , 7702 , 26363 , 73478 , 859194 , 208238 , 4310949 , 575418 , 91743902 , 40190019 , 974818264 , 833732435 , 4246331735 , 6809185662
n×2
289278
n×3
433917
n×4
578556
n×5
723195
n÷2
72319.5
n÷3
48213
n÷3
36159.75
n÷5
28927.8
n2
20920440321
n3
3025911567589119
n4
4.3766482322452E+20
n5
6.3303402366372E+25
2 √n
380.3143436685
3 √n
52.492243752123
4 √n
19.501649767866
5 √n
10.766067096487
1 , 3 , 9 , 11 , 27 , 33 , 99 , 297 , 487 , 1461 , 4383 , 5357 , 13149 , 16071 , 48213 , 144639
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
-144638
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 144639 can be divided by 16 positive divisors.
The sum of these divisors (counting 144639) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100011010011111111
3
Ternary
21100102000
4
Quaternary
203103333
5
Quinary
14112024
6
Senary
3033343
8
Octal
432377
10
Decimal
144639
12
Duodecimal
6b853
16
Hexadecimal
234ff
20
Vigesimal
i1bj
36
Base36
33lr
md5
9cc6af991679b9a2d90513a38f9b62be
sha1
99e6c9e288a2bf2e3c69cb9d0fb5aaca02eb77d5
sha256
1ed669658f12d1da23dbb80072a8cfac15dbec75fa600133253f071d81e9273f
sha512
34da68a73fcdfa7f5da653ada3cc71eac5f956abb813928e6ac1fd69394f836335b85d1a2d18f487748bd318e596041a49badbf49bd7c4fd1333989472e0efb7
ripemd-160
e7275060c32a72effd4abe8a49359e1daa5311f6
Diameter
289278
Circumference
908793.63964515
Area
65723501622.317
Volume
1.2674908734867E+16
Surface area
262894006489.27
Circumference
908793.63964515
Perimeter
578556
Area
20920440321
Diagonal
204550.43544808
Surface area
125522641926
Volume
3025911567589119
Space diagonal
250522.09675595
Perimeter
433917
Area
9058816388.1711
Altitude
125261.04837798
Surface area
9058816388.1711
Volume
3.5660709811885E+14
Height
68183.478482694