138728810 is an even 9-digits composite number following 138728809
and preceding 138728811 . In scientific notation, it is written as 1.38728810 × 10^8.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 50446800 positive integers (up to 138728810) that are relatively prime to 138728810.
138728810 has 16 divisors, whose sum is 272413152
The reverse of 138728810 is 018827831
Previous prime number is 11
Is Prime? no
Number parity even
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred thirty-eight million seven hundred twenty-eight thousand eight hundred ten
Scientific notation
1.38728810 × 10^8
Engineering notation
1.38728810 × 10^6
Prime Factorization
2 × 5 × 11 × 1261171
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
138728810
Product of the distinct prime numbers
The prime factorization of 138728810 is 2 × 5 × 11 × 1261171.
Since it has a total of 4 prime factors.
7 , 2 , 73 , 15 , 527 , 776 , 7116 , 924 , 94318 , 15849 , 86594 , 89009 , 7360030 , 5468288 , 50216298 , 43414378 , 747059858 , 357656527 , 5665183834 , 8970701713
n×2
277457620
n×3
416186430
n×4
554915240
n×5
693644050
n÷2
69364405
n÷3
46242936.666667
n÷3
34682202.5
n÷5
27745762
n2
19245682724016100
n3
2.6699306619403E+24
n4
3.7039630351349E+32
n5
5.1384638414826E+40
2 √n
11778.319489639
3 √n
517.67304690716
4 √n
108.5279663941
5 √n
42.504345409853
1 , 2 , 5 , 10 , 11 , 22 , 55 , 110 , 1261171 , 2522342 , 6305855 , 12611710 , 13872881 , 27745762 , 69364405 , 138728810
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
-138728809
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 138728810 can be divided by 16 positive divisors.
The sum of these divisors (counting 138728810) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000010001001101010101101010
3
Ternary
100200001011011002
4
Quaternary
20101031111222
5
Quinary
241003310220
6
Senary
21433235002
8
Octal
1021152552
10
Decimal
138728810
12
Duodecimal
3a562a62
16
Hexadecimal
844d56a
20
Vigesimal
237120a
36
Base36
2alfu2
md5
875eaf8247651f0849c7db2bf619c9a7
sha1
10db626d8645e5e49a99fac27b4c4037f61e73a0
sha256
0a0252eec9ab62dfd2bb49feabe9d5e1ea2e0595e0b24705f0dfb257eff67e2d
sha512
f57a681ef460f40d3c2b9641a3bb87e195814542a3eba6fe4c1a8a410d20c50d26957f99b8fb9ae010bed7dafdbb558007b4e290ed417ea8ee49f44ed2f14619
ripemd-160
6bce7322fdf360cf35694d5b208bc27d26e0f6d3
Diameter
277457620
Circumference
871658820.67451
Area
6.0462095459089E+16
Volume
1.1183779404194E+25
Surface area
2.4184838183636E+17
Circumference
871658820.67451
Perimeter
554915240
Area
19245682724016100
Diagonal
196192164.59388
Surface area
115474096344096600
Volume
2.6699306619403E+24
Space diagonal
240285347.39357
Perimeter
416186430
Area
8.3336250760866E+15
Altitude
120142673.69678
Surface area
8.3336250760866E+15
Volume
3.1465434605931E+23
Height
65397388.19796