121539 is an odd 6-digits composite number following 121538
and preceding 121540 . In scientific notation, it is written as 1.21539 × 10^5.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 70560 positive integers (up to 121539) that are relatively prime to 121539.
121539 has 16 divisors, whose sum is 184320
The reverse of 121539 is 935121
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 21
Digital Root 3
Name
one hundred twenty-one thousand five hundred thirty-nine
Scientific notation
1.21539 × 10^5
Engineering notation
1.21539 × 10^3
Prime Factorization
11 × 3 × 29 × 127
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
121539
Product of the distinct prime numbers
The prime factorization of 121539 is 11 × 3 × 29 × 127.
Since it has a total of 4 prime factors.
1 , 2 , 90 , 56 , 594 , 960 , 9768 , 5586 , 48101 , 48565 , 406624 , 483368 , 1851764 , 5302195 , 38653524 , 54826968 , 364638809 , 18636502 , 9166762796 , 8501445883
n×2
243078
n×3
364617
n×4
486156
n×5
607695
n÷2
60769.5
n÷3
40513
n÷3
30384.75
n÷5
24307.8
n2
14771728521
n3
1795341112713819
n4
2.1820396349812E+20
n5
2.6520291519599E+25
2 √n
348.62443976291
3 √n
49.534207555919
4 √n
18.671487347368
5 √n
10.397840034455
1 , 3 , 11 , 29 , 33 , 87 , 127 , 319 , 381 , 957 , 1397 , 3683 , 4191 , 11049 , 40513 , 121539
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
-121538
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 121539 can be divided by 16 positive divisors.
The sum of these divisors (counting 121539) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11101101011000011
3
Ternary
20011201110
4
Quaternary
131223003
5
Quinary
12342124
6
Senary
2334403
8
Octal
355303
10
Decimal
121539
12
Duodecimal
5a403
16
Hexadecimal
1dac3
20
Vigesimal
f3gj
36
Base36
2ls3
md5
f2ad11c854042c64e5a995585a6758fd
sha1
a0c0047e4f706494da4419e2b053975e6b7e4882
sha256
2fbd4ec9fc7bf28dfb0a2d035751ab35131d24c41b20379dcaced160b02a7007
sha512
f14ae2bf06907be058dba32425e49fcb6414ed1a2dfb447d789f8db8d4216fc0d253130eb132f4f3a8b29c2bbd098159cb327ab12b5596a33fb2a0c385b036dd
ripemd-160
496cd15dfb5c71cab15ffc904c3aeeb267f8abfa
Diameter
243078
Circumference
763652.0590493
Area
46406753802.396
Volume
7.5203072671859E+15
Surface area
185627015209.59
Circumference
763652.0590493
Perimeter
486156
Area
14771728521
Diagonal
171882.10215726
Surface area
88630371126
Volume
1795341112713819
Space diagonal
210511.72310111
Perimeter
364617
Area
6396346078.4966
Altitude
105255.86155056
Surface area
6396346078.4966
Volume
2.1158297922382E+14
Height
57294.034052421