138980 is an even 6-digits composite number following 138979
and preceding 138981 . In scientific notation, it is written as 1.38980 × 10^5.
The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors.
There are 55584 positive integers (up to 138980) that are relatively prime to 138980.
138980 has 12 divisors, whose sum is 291900
The reverse of 138980 is 089831
Previous prime number is 5
Is Prime? no
Number parity even
Number length 6
Sum of Digits 29
Digital Root 2
Name
one hundred thirty-eight thousand nine hundred eighty
Scientific notation
1.38980 × 10^5
Engineering notation
1.38980 × 10^3
Prime Factorization
2 × 2 × 5 × 6949
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
69490
Product of the distinct prime numbers
The prime factorization of 138980 is 2 × 2 × 5 × 6949.
Since it has a total of 4 prime factors.
6 , 6 , 1 , 61 , 776 , 894 , 4878 , 9925 , 32695 , 61349 , 212985 , 443417 , 1982207 , 4150944 , 72499552 , 62864985 , 389024078 , 11383358 , 8692742570 , 2041731623
n×2
277960
n×3
416940
n×4
555920
n×5
694900
n÷2
69490
n÷3
46326.666666667
n÷3
34745
n÷5
27796
n2
19315440400
n3
2684459906792000
n4
3.7308623784595E+20
n5
5.185152533583E+25
2 √n
372.80021459221
3 √n
51.798530093499
4 √n
19.308034974907
5 √n
10.680472385155
1 , 2 , 4 , 5 , 10 , 20 , 6949 , 13898 , 27796 , 34745 , 69490 , 138980
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-138979
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 138980 can be divided by 12 positive divisors.
The sum of these divisors (counting 138980) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100001111011100100
3
Ternary
21001122102
4
Quaternary
201323210
5
Quinary
13421410
6
Senary
2551232
8
Octal
417344
10
Decimal
138980
12
Duodecimal
68518
16
Hexadecimal
21ee4
20
Vigesimal
h790
36
Base36
2z8k
md5
1aea58a66200261ca62fbde2475ad56c
sha1
8c1f6f78bdc6e5af73aa89013f564879a678716c
sha256
a36398604d771d35d4d8d47c4f40cbe46ffd786ba0e253b4511b49dde415d73e
sha512
454ded3e900183d2ca2a80b8f436b07083500605287d144f241ed5c8091ef368e5a9d1036a9c1ccf739ba2abb4d861bce40454aadc5c790eaab178eaaca4b6b0
ripemd-160
ba200f607d82d5b30934790efc9af503b803755d
Diameter
277960
Circumference
873237.09399182
Area
60681245661.491
Volume
1.1244639362712E+16
Surface area
242724982645.97
Circumference
873237.09399182
Perimeter
555920
Area
19315440400
Diagonal
196547.40089861
Surface area
115892642400
Volume
2684459906792000
Space diagonal
240720.42123592
Perimeter
416940
Area
8363831035.8421
Altitude
120360.21061796
Surface area
8363831035.8421
Volume
3.1636663398601E+14
Height
65515.800299538