138131279 is an odd 9-digits composite number following 138131278
and preceding 138131280 . In scientific notation, it is written as 1.38131279 × 10^8.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 115914240 positive integers (up to 138131279) that are relatively prime to 138131279.
138131279 has 8 divisors, whose sum is 162280272
The reverse of 138131279 is 972131831
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 35
Digital Root 8
Name
one hundred thirty-eight million one hundred thirty-one thousand two hundred seventy-nine
Scientific notation
1.38131279 × 10^8
Engineering notation
1.38131279 × 10^6
Prime Factorization
13 × 11 × 965953
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
138131279
Product of the distinct prime numbers
The prime factorization of 138131279 is 13 × 11 × 965953.
Since it has a total of 3 prime factors.
2 , 5 , 95 , 65 , 781 , 21 , 2657 , 5623 , 61870 , 34967 , 940227 , 360680 , 8056054 , 570058 , 78339468 , 31768717 , 310039126 , 564522672 , 8000855713 , 7049958638
n×2
276262558
n×3
414393837
n×4
552525116
n×5
690656395
n÷2
69065639.5
n÷3
46043759.666667
n÷3
34532819.75
n÷5
27626255.8
n2
19080250238175841
n3
2.6355793690393E+24
n4
3.6405594915141E+32
n5
5.0287513883843E+40
2 √n
11752.926401539
3 √n
516.92873896067
4 √n
108.41091458677
5 √n
42.467667326271
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
-138131278
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 138131279 can be divided by 8 positive divisors.
The sum of these divisors (counting 138131279) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000001110111011011101001111
3
Ternary
100121220210111022
4
Quaternary
20032323131033
5
Quinary
240330200104
6
Senary
21412344355
8
Octal
1016733517
10
Decimal
138131279
12
Duodecimal
3a3150bb
16
Hexadecimal
83bb74f
20
Vigesimal
233683j
36
Base36
2a8mrz
md5
d69947967a9b61c46fd9142c20303811
sha1
0382f6286a4328cfed9c875626157fb3fcb9170d
sha256
33d4261f2d536be8e613d611e9fb0571e150ee199f2f66790b97c141e3fac3ef
sha512
af45928ec627bb132bca87eac3a6299b74ceccb4a2ee6327eb52f89f901975e5f16fcc6d705be588c42a4e8b78f04e5778d489e653ab977ef8d8b2b4216ad76e
ripemd-160
1b909b25007ebcc219728c53aa7aca0d82de7438
Diameter
276262558
Circumference
867904422.67472
Area
5.9942373976908E+16
Volume
1.1039889044969E+25
Surface area
2.3976949590763E+17
Circumference
867904422.67472
Perimeter
552525116
Area
19080250238175841
Diagonal
195347128.14974
Surface area
114481501429055046
Volume
2.6355793690393E+24
Space diagonal
239250393.34247
Perimeter
414393837
Area
8.2619907084122E+15
Altitude
119625196.67124
Surface area
8.2619907084122E+15
Volume
3.1060600736717E+23
Height
65115709.383247