138878813 is an odd 9-digits composite number following 138878812
and preceding 138878814 . In scientific notation, it is written as 1.38878813 × 10^8.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 138538848 positive integers (up to 138878813) that are relatively prime to 138878813.
138878813 has 4 divisors, whose sum is 139218780
The reverse of 138878813 is 318878831
Previous prime number is 409
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
one hundred thirty-eight million eight hundred seventy-eight thousand eight hundred thirteen
Scientific notation
1.38878813 × 10^8
Engineering notation
1.38878813 × 10^6
Prime Factorization
409 × 339557
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
138878813
Product of the distinct prime numbers
The prime factorization of 138878813 is 409 × 339557.
Since it has a total of 2 prime factors.
2 , 5 , 52 , 62 , 312 , 28 , 8823 , 8343 , 49595 , 39345 , 981278 , 578402 , 9078249 , 8205322 , 54610627 , 36257075 , 366104785 , 686809817 , 6457114031 , 6325384665
n×2
277757626
n×3
416636439
n×4
555515252
n×5
694394065
n÷2
69439406.5
n÷3
46292937.666667
n÷3
34719703.25
n÷5
27775762.6
n2
19287324700288969
n3
2.6786007603217E+24
n4
3.7200089409438E+32
n5
5.1663042606766E+40
2 √n
11784.685528261
3 √n
517.859560771
4 √n
108.55729145599
5 √n
42.513533153252
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
-138878812
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 138878813 can be divided by 4 positive divisors.
The sum of these divisors (counting 138878813) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000010001110001111101011101
3
Ternary
100200022202220202
4
Quaternary
20101301331131
5
Quinary
241023110223
6
Senary
21440353245
8
Octal
1021617535
10
Decimal
138878813
12
Duodecimal
3a615825
16
Hexadecimal
8471f5d
20
Vigesimal
237jh0d
36
Base36
2aonkt
md5
503b08fa928e6fec12ebe479093d625c
sha1
b335ab5894606de434ba1a2aa216b0a2d6b7176a
sha256
dcc051a6c2c412184787011dbb289f3b68a9701ebb61b7cd0e016604ee2997ed
sha512
24fa9f013c17b2837d3c721b8d602d76c2442a9367b21d545c281928e31639f3e1144b6c70b81dda8cc24ab1aade2be15774ab2079ba1b30c6bd4bda5d1f0570
ripemd-160
38b289ed5e3ba7ae66db9b224cde192c8bd0218b
Diameter
277757626
Circumference
872601317.32014
Area
6.0592917585829E+16
Volume
1.1220096627369E+25
Surface area
2.4237167034332E+17
Circumference
872601317.32014
Perimeter
555515252
Area
19287324700288969
Diagonal
196404300.87088
Surface area
115723948201733814
Volume
2.6786007603217E+24
Space diagonal
240545160.21086
Perimeter
416636439
Area
8.3516565807447E+15
Altitude
120272580.10543
Surface area
8.3516565807447E+15
Volume
3.1567612695249E+23
Height
65468100.290292