138840278 is an even 9-digits composite number following 138840277
and preceding 138840279 . In scientific notation, it is written as 1.38840278 × 10^8.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 69402760 positive integers (up to 138840278) that are relatively prime to 138840278.
138840278 has 8 divisors, whose sum is 208312560
The reverse of 138840278 is 872048831
Previous prime number is 11159
Is Prime? no
Number parity even
Number length 9
Sum of Digits 41
Digital Root 5
Name
one hundred thirty-eight million eight hundred forty thousand two hundred seventy-eight
Scientific notation
1.38840278 × 10^8
Engineering notation
1.38840278 × 10^6
Prime Factorization
2 × 11159 × 6221
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
138840278
Product of the distinct prime numbers
The prime factorization of 138840278 is 2 × 11159 × 6221.
Since it has a total of 3 prime factors.
10 , 2 , 81 , 31 , 564 , 771 , 3022 , 6122 , 72944 , 32267 , 242144 , 459351 , 7453160 , 4320571 , 39476836 , 70507947 , 59649143 , 170874476 , 8040349866 , 6547309031
n×2
277680556
n×3
416520834
n×4
555361112
n×5
694201390
n÷2
69420139
n÷3
46280092.666667
n÷3
34710069.5
n÷5
27768055.6
n2
19276622795117284
n3
2.6763716677752E+24
n4
3.7158818638524E+32
n5
5.1591407099242E+40
2 √n
11783.050453936
3 √n
517.81165914188
4 √n
108.5497602666
5 √n
42.51117362724
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-138840277
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 138840278 can be divided by 8 positive divisors.
The sum of these divisors (counting 138840278) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000010001101000100011010110
3
Ternary
100200020211001112
4
Quaternary
20101220203112
5
Quinary
241020342103
6
Senary
21435455022
8
Octal
1021504326
10
Decimal
138840278
12
Duodecimal
3a5b7472
16
Hexadecimal
84688d6
20
Vigesimal
237f0di
36
Base36
2antue
md5
0244005c5dd1289fbbccab354692fe49
sha1
96bffea570466402d866380b15376b3a08fbc5ce
sha256
5d3f762c2ac4ac5aab6fea1864191f6d30c88eb359f1d914b5135b2198bd0ace
sha512
bda2059f57814cf3cc1073cf6353e12a66708954987f4741fc9ca5cb4a9946c47ccea132959a88e095bccf531bd38b01cf79d87819f47526d1561e3e8fd67f49
ripemd-160
983d8b9cb23aa5225a75041bb4052a86653eeac7
Diameter
277680556
Circumference
872359194.77433
Area
6.0559296559162E+16
Volume
1.1210759426345E+25
Surface area
2.4223718623665E+17
Circumference
872359194.77433
Perimeter
555361112
Area
19276622795117284
Diagonal
196349804.15125
Surface area
115659736770703704
Volume
2.6763716677752E+24
Space diagonal
240478415.63299
Perimeter
416520834
Area
8.3470225198709E+15
Altitude
120239207.81649
Surface area
8.3470225198709E+15
Volume
3.1541342587657E+23
Height
65449934.717084