138792391 is an odd 9-digits composite number following 138792390
and preceding 138792392 . In scientific notation, it is written as 1.38792391 × 10^8.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 138442392 positive integers (up to 138792391) that are relatively prime to 138792391.
138792391 has 4 divisors, whose sum is 139142392
The reverse of 138792391 is 193297831
Previous prime number is 397
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred thirty-eight million seven hundred ninety-two thousand three hundred ninety-one
Scientific notation
1.38792391 × 10^8
Engineering notation
1.38792391 × 10^6
Prime Factorization
397 × 349603
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
138792391
Product of the distinct prime numbers
The prime factorization of 138792391 is 397 × 349603.
Since it has a total of 2 prime factors.
3 , 9 , 8 , 94 , 817 , 950 , 1420 , 5749 , 77753 , 60373 , 624765 , 432751 , 2288497 , 5517277 , 98318863 , 8547549 , 622393485 , 72827665 , 1991278213 , 9173129424
n×2
277584782
n×3
416377173
n×4
555169564
n×5
693961955
n÷2
69396195.5
n÷3
46264130.333333
n÷3
34698097.75
n÷5
27758478.2
n2
19263327799496881
n3
2.6736033239089E+24
n4
3.7107579791087E+32
n5
5.1502497234282E+40
2 √n
11781.01824971
3 √n
517.75211998737
4 √n
108.54039915953
5 √n
42.508240741316
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
-138792390
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 138792391 can be divided by 4 positive divisors.
The sum of these divisors (counting 138792391) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000010001011100110111000111
3
Ternary
100200011101100221
4
Quaternary
20101130313013
5
Quinary
241012324031
6
Senary
21434445211
8
Octal
1021346707
10
Decimal
138792391
12
Duodecimal
3a593807
16
Hexadecimal
845cdc7
20
Vigesimal
23790jb
36
Base36
2amsw7
md5
2e21347a37e600f5f5bbe02930c116e9
sha1
15e8cfea291a458d896958d2ac6c9177b482be81
sha256
53d8f11d13dd3045377b87938a6fa5486e48ec6edcd87c3830f12a9551033b05
sha512
f70d190be328ece68767df0a6db78d3202cbe0db8d3d829ee17d25b64c5c64bffc49577f80e580e29325b97933e3b177345b084a083450389fd01a3b282ff670
ripemd-160
0123e9fd7d0758aff49f59d4f4c00976bfdda3b2
Diameter
277584782
Circumference
872058311.87952
Area
6.0517529098591E+16
Volume
1.1199163414674E+25
Surface area
2.4207011639437E+17
Circumference
872058311.87952
Perimeter
555169564
Area
19263327799496881
Diagonal
196282081.70639
Surface area
115579966796981286
Volume
2.6736033239089E+24
Space diagonal
240395472.91597
Perimeter
416377173
Area
8.3412656178956E+15
Altitude
120197736.45798
Surface area
8.3412656178956E+15
Volume
3.1508717342315E+23
Height
65427360.568797