138978829 is an odd 9-digits composite number following 138978828
and preceding 138978830 . In scientific notation, it is written as 1.38978829 × 10^8.
The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors.
There are 126344380 positive integers (up to 138978829) that are relatively prime to 138978829.
138978829 has 4 divisors, whose sum is 151613280
The reverse of 138978829 is 928879831
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 55
Digital Root 1
Name
one hundred thirty-eight million nine hundred seventy-eight thousand eight hundred twenty-nine
Scientific notation
1.38978829 × 10^8
Engineering notation
1.38978829 × 10^6
Prime Factorization
11 × 12634439
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
138978829
Product of the distinct prime numbers
The prime factorization of 138978829 is 11 × 12634439.
Since it has a total of 2 prime factors.
9 , 6 , 23 , 11 , 570 , 204 , 6524 , 9791 , 81308 , 99710 , 587933 , 103184 , 6622772 , 8217773 , 22543776 , 73142498 , 697976796 , 73659925 , 1130045843 , 9768075738
n×2
277957658
n×3
416936487
n×4
555915316
n×5
694894145
n÷2
69489414.5
n÷3
46326276.333333
n÷3
34744707.25
n÷5
27795765.8
n2
19315114910211241
n3
2.6843920522216E+24
n4
3.7307366399466E+32
n5
5.1849340952718E+40
2 √n
11788.92823797
3 √n
517.98384613936
4 √n
108.57683103669
5 √n
42.519654762587
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
-138978828
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 138978829 can be divided by 4 positive divisors.
The sum of these divisors (counting 138978829) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000010010001010011000001101
3
Ternary
100200111212010001
4
Quaternary
20102022120031
5
Quinary
241034310304
6
Senary
21442444301
8
Octal
1022123015
10
Decimal
138978829
12
Duodecimal
3a663691
16
Hexadecimal
848a60d
20
Vigesimal
238c719
36
Base36
2aqsr1
md5
be59606be598565fba33afba888aae18
sha1
53a5d49ac43c8ccd432aa050bc850671113aa6ca
sha256
ec17810f80f2aa63d8ceb8e60a48c25131f27749276f90c544cdde1b2b7be4e1
sha512
d9afeda4261bf266123cb41449efbd269a36652b314f8fd43fda7fbe8aa1dc9409af179c2475a858127d128703f1cee469974682558fdc57801413125e5fa0f2
ripemd-160
f5ec445b69c5fcde4734742875a98763934c9018
Diameter
277957658
Circumference
873229736.38182
Area
6.0680223105162E+16
Volume
1.1244355134152E+25
Surface area
2.4272089242065E+17
Circumference
873229736.38182
Perimeter
555915316
Area
19315114910211241
Diagonal
196545744.85453
Surface area
115890689461267446
Volume
2.6843920522216E+24
Space diagonal
240718393.00443
Perimeter
416936487
Area
8.3636900946293E+15
Altitude
120359196.50221
Surface area
8.3636900946293E+15
Volume
3.1635863724819E+23
Height
65515248.284844