138840455 is an odd 9-digits composite number following 138840454
and preceding 138840456 . In scientific notation, it is written as 1.38840455 × 10^8.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 101947008 positive integers (up to 138840455) that are relatively prime to 138840455.
138840455 has 16 divisors, whose sum is 180442080
The reverse of 138840455 is 554048831
Previous prime number is 179
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred thirty-eight million eight hundred forty thousand four hundred fifty-five
Scientific notation
1.38840455 × 10^8
Engineering notation
1.38840455 × 10^6
Prime Factorization
5 × 13 × 179 × 11933
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
138840455
Product of the distinct prime numbers
The prime factorization of 138840455 is 5 × 13 × 179 × 11933.
Since it has a total of 4 prime factors.
2 , 5 , 2 , 5 , 873 , 330 , 4955 , 4776 , 83149 , 61555 , 634683 , 854624 , 9357416 , 2826980 , 27809632 , 67762383 , 769927647 , 819595789 , 4428921669 , 3740258901
n×2
277680910
n×3
416521365
n×4
555361820
n×5
694202275
n÷2
69420227.5
n÷3
46280151.666667
n÷3
34710113.75
n÷5
27768091
n2
19276671944607025
n3
2.676381903675E+24
n4
3.7159008126E+32
n5
5.1591735955625E+40
2 √n
11783.057964722
3 √n
517.8118791852
4 √n
108.54979486264
5 √n
42.511184466276
1 , 5 , 13 , 65 , 179 , 895 , 2327 , 11635 , 11933 , 59665 , 155129 , 775645 , 2136007 , 10680035 , 27768091 , 138840455
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
-138840454
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 138840455 can be divided by 16 positive divisors.
The sum of these divisors (counting 138840455) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000010001101000100110000111
3
Ternary
100200020211022002
4
Quaternary
20101220212013
5
Quinary
241020343310
6
Senary
21435455515
8
Octal
1021504607
10
Decimal
138840455
12
Duodecimal
3a5b759b
16
Hexadecimal
8468987
20
Vigesimal
237f12f
36
Base36
2antzb
md5
cbb1e0417bc7413313fc6e5c85dc4515
sha1
75083e391972bf057d70cf8399a8ccd323400256
sha256
4b4e7325c630245f33cbd99208adf3b808e81fdfa9a582664d6c4ccc6d1858ca
sha512
300d4996ecf2fee8c1c47f74e16f457475a03cc4a6c24ee3aac9110a1a06e9f7458a2cfea388ade828827b83ffa0fb94688a20635baa20d348c73489399488b2
ripemd-160
6c6aaaab3727df6a095eb790ced191bf0e936aa2
Diameter
277680910
Circumference
872360306.89813
Area
6.0559450966838E+16
Volume
1.1210802302381E+25
Surface area
2.4223780386735E+17
Circumference
872360306.89813
Perimeter
555361820
Area
19276671944607025
Diagonal
196350054.46705
Surface area
115660031667642150
Volume
2.676381903675E+24
Space diagonal
240478722.20598
Perimeter
416521365
Area
8.3470438022242E+15
Altitude
120239361.10299
Surface area
8.3470438022242E+15
Volume
3.1541463218892E+23
Height
65450018.155684