138839881 is an odd 9-digits composite number following 138839880
and preceding 138839882 . In scientific notation, it is written as 1.38839881 × 10^8.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 138299392 positive integers (up to 138839881) that are relatively prime to 138839881.
138839881 has 4 divisors, whose sum is 139380372
The reverse of 138839881 is 188938831
Previous prime number is 257
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 49
Digital Root 4
Name
one hundred thirty-eight million eight hundred thirty-nine thousand eight hundred eighty-one
Scientific notation
1.38839881 × 10^8
Engineering notation
1.38839881 × 10^6
Prime Factorization
257 × 540233
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
138839881
Product of the distinct prime numbers
The prime factorization of 138839881 is 257 × 540233.
Since it has a total of 2 prime factors.
1 , 6 , 18 , 32 , 116 , 731 , 5202 , 9318 , 40986 , 82977 , 913650 , 456463 , 9892301 , 3579526 , 23849262 , 85816499 , 955534126 , 850007334 , 118110295 , 9390270094
n×2
277679762
n×3
416519643
n×4
555359524
n×5
694199405
n÷2
69419940.5
n÷3
46279960.333333
n÷3
34709970.25
n÷5
27767976.2
n2
19276512556094161
n3
2.6763487093831E+24
n4
3.7158393632526E+32
n5
5.159066950091E+40
2 √n
11783.033607692
3 √n
517.81116559772
4 √n
108.5496826697
5 √n
42.511149315916
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
-138839880
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 138839881 can be divided by 4 positive divisors.
The sum of these divisors (counting 138839881) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000010001101000011101001001
3
Ternary
100200020210111211
4
Quaternary
20101220131021
5
Quinary
241020334011
6
Senary
21435453121
8
Octal
1021503511
10
Decimal
138839881
12
Duodecimal
3a5b71a1
16
Hexadecimal
8468749
20
Vigesimal
237eje1
36
Base36
2antjd
md5
a58a212af926a0a56e1b7de794db6bfb
sha1
04317b7cda454e7512093a1c54e17b2f8173d13a
sha256
a4a653fdd30a3d9eef95e119871e25faf0a2ee87b740e17b48ee4f44b8434820
sha512
5780399fcb27df224508461a4a2c247edd47ce9bad2d3576a29e86d10c63d9189a4457e14348b257ae4c87ec8841a8c254f498658170ae77685be9af45bf2563
ripemd-160
7b214bcf0900627ab845a8896ebb3418ca47c4b7
Diameter
277679762
Circumference
872356700.34976
Area
6.0558950233057E+16
Volume
1.1210663258457E+25
Surface area
2.4223580093223E+17
Circumference
872356700.34976
Perimeter
555359524
Area
19276512556094161
Diagonal
196349242.70847
Surface area
115659075336564966
Volume
2.6763487093831E+24
Space diagonal
240477728.00882
Perimeter
416519643
Area
8.3469747849736E+15
Altitude
120238864.00441
Surface area
8.3469747849736E+15
Volume
3.1541072020411E+23
Height
65449747.569489