138978819 is an odd 9-digits composite number following 138978818
and preceding 138978820 . In scientific notation, it is written as 1.38978819 × 10^8.
The sum of its digits is 54. It has a total of 5 prime factors and 24 positive divisors.
There are 79256448 positive integers (up to 138978819) that are relatively prime to 138978819.
138978819 has 24 divisors, whose sum is 229887840
The reverse of 138978819 is 918879831
Previous prime number is 569
Is Prime? no Number parity odd Number length 9 Sum of Digits 54 Digital Root 9
Name
one hundred thirty-eight million nine hundred seventy-eight thousand eight hundred nineteen
Scientific notation
1.38978819 × 10^8
Engineering notation
1.38978819 × 10^6
Prime Factorization
3 × 3 × 7 × 569 × 3877
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
46326273 Product of the distinct prime numbers
The prime factorization of 138978819 is 3 × 3 × 7 × 569 × 3877.
Since it has a total of 5 prime factors.
7 , 2 , 88 , 14 , 791 , 74 , 7579 , 3628 , 4941 , 45639 , 946803 , 357350 , 1050125 , 825042 , 43889482 , 7938742 , 950184325 , 839032238 , 3498248761 , 4423349202
n×2
277957638
n×3
416936457
n×4
555915276
n×5
694894095
n÷2
69489409.5
n÷3
46326273
n÷3
34744704.75
n÷5
27795763.8
n2
19315112130634761
n3
2.6843914727682E+24
n4
3.7307355661899E+32
n5
5.1849322299037E+40
2 √n11788.927813843
3 √n517.98383371579
4 √n108.57682908357
5 √n42.5196541507
1 , 3 , 7 , 9 , 21 , 63 , 569 , 1707 , 3877 , 3983 , 5121 , 11631 , 11949 , 27139 , 34893 , 35847 , 81417 , 244251 , 2206013 , 6618039 , 15442091 , 19854117 , 46326273 , 138978819
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-138978818 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 138978819 can be divided by 24 positive divisors.
The sum of these divisors (counting 138978819) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1000010010001010011000000011
3
Ternary
100200111212002200
4
Quaternary
20102022120003
5
Quinary
241034310234
6
Senary
21442444243
8
Octal
1022123003
10
Decimal
138978819
12
Duodecimal
3a663683
16
Hexadecimal
848a603
20
Vigesimal
238c70j
36
Base36
2aqsqr
md5
930a449bdd0afb7203f36988d190301b
sha1
6326fd45ae570fad1a0564fb0bc2028270cd56f2
sha256
74c5c1f64212351f291a1c83b00bcf0e72e5edf2b58544162d838226e3a87712
sha512
83f41432b9216602750e030dc20fc61467e80c75e7cff32a3a86e0a6837a7ccbe8835105207f852c7451d85689eaf3bf54317dab25ef87549cda3dc1c58415e7
ripemd-160
7e4ea64e66a2087e1513fcb1ea07e887f054196d
Diameter
277957638
Circumference
873229673.54997
Area
6.0680214372865E+16
Volume
1.1244352706944E+25
Surface area
2.4272085749146E+17
Circumference
873229673.54997
Perimeter
555915276
Area
19315112130634761
Diagonal
196545730.7124
Surface area
115890672783808566
Volume
2.6843914727682E+24
Space diagonal
240718375.68392
Perimeter
416936457
Area
8.3636888910373E+15
Altitude
120359187.84196
Surface area
8.3636888910373E+15
Volume
3.1635856895896E+23
Height
65515243.570799