138809 is an odd 6-digits composite number following 138808
and preceding 138810 . In scientific notation, it is written as 1.38809 × 10^5.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 126180 positive integers (up to 138809) that are relatively prime to 138809.
138809 has 4 divisors, whose sum is 151440
The reverse of 138809 is 908831
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 29
Digital Root 2
Name
one hundred thirty-eight thousand eight hundred nine
Scientific notation
1.38809 × 10^5
Engineering notation
1.38809 × 10^3
Prime Factorization
11 × 12619
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
138809
Product of the distinct prime numbers
The prime factorization of 138809 is 11 × 12619.
Since it has a total of 2 prime factors.
7 , 4 , 24 , 53 , 796 , 915 , 4930 , 6201 , 17953 , 93019 , 945343 , 794861 , 3549516 , 1839691 , 45490467 , 8597277 , 204192552 , 415489164 , 5504798600 , 9890053510
n×2
277618
n×3
416427
n×4
555236
n×5
694045
n÷2
69404.5
n÷3
46269.666666667
n÷3
34702.25
n÷5
27761.8
n2
19267938481
n3
2674563272609129
n4
3.712534533076E+20
n5
5.1533320600175E+25
2 √n
372.57079864101
3 √n
51.777277194075
4 √n
19.302093115541
5 √n
10.677842855297
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
-138808
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 138809 can be divided by 4 positive divisors.
The sum of these divisors (counting 138809) is 1, the average is 0.25.
Base
System
Value
2
Binary
100001111000111001
3
Ternary
21001102002
4
Quaternary
201320321
5
Quinary
13420214
6
Senary
2550345
8
Octal
417071
10
Decimal
138809
12
Duodecimal
683b5
16
Hexadecimal
21e39
20
Vigesimal
h709
36
Base36
2z3t
md5
cf0203df4b065da44e88b8e565b142f0
sha1
42d521260ce6294a34850766a897877be39582e8
sha256
d552984c77b6fe9fb3551046fb1e1bfcda731283da87984e99718f8e4cfbe6ae
sha512
0bbeba8bbf12adcd45ae3d258ebccca80cc1d7ba963c0465cc87febd11f8036ebf24f83661c2cc0c8f7fa06c0a2a18eb499776c1384688c902924b60a5ec4a73
ripemd-160
09019c18363e86d9436b02109922548dbce8387a
Diameter
277618
Circumference
872162.66930429
Area
60532013981.73
Volume
1.1203184438387E+16
Surface area
242128055926.92
Circumference
872162.66930429
Perimeter
555236
Area
19267938481
Diagonal
196305.57037945
Surface area
115607630886
Volume
2674563272609129
Space diagonal
240424.24054783
Perimeter
416427
Area
8343262101.5509
Altitude
120212.12027391
Surface area
8343262101.5509
Volume
3.152003044624E+14
Height
65435.190126482