138984909 is an odd 9-digits composite number following 138984908
and preceding 138984910 . In scientific notation, it is written as 1.38984909 × 10^8.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 79070400 positive integers (up to 138984909) that are relatively prime to 138984909.
138984909 has 16 divisors, whose sum is 212718720
The reverse of 138984909 is 909489831
Previous prime number is 229
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 51
Digital Root 6
Name
one hundred thirty-eight million nine hundred eighty-four thousand nine hundred nine
Scientific notation
1.38984909 × 10^8
Engineering notation
1.38984909 × 10^6
Prime Factorization
3 × 7 × 229 × 28901
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
138984909
Product of the distinct prime numbers
The prime factorization of 138984909 is 3 × 7 × 229 × 28901.
Since it has a total of 4 prime factors.
10 , 9 , 7 , 32 , 619 , 787 , 3163 , 8417 , 12114 , 87035 , 669219 , 627366 , 5912194 , 5344006 , 82163800 , 58216630 , 559410732 , 715170383 , 6103973693 , 9512131060
n×2
277969818
n×3
416954727
n×4
555939636
n×5
694924545
n÷2
69492454.5
n÷3
46328303
n÷3
34746227.25
n÷5
27796981.8
n2
19316804929738281
n3
2.6847443753304E+24
n4
3.7313895269356E+32
n5
5.186068338447E+40
2 √n
11789.186104223
3 √n
517.99139955807
4 √n
108.57801851306
5 √n
42.520026783245
1 , 3 , 7 , 21 , 229 , 687 , 1603 , 4809 , 28901 , 86703 , 202307 , 606921 , 6618329 , 19854987 , 46328303 , 138984909
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-138984908
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 138984909 can be divided by 16 positive divisors.
The sum of these divisors (counting 138984909) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000010010001011110111001101
3
Ternary
100200112011110020
4
Quaternary
20102023313031
5
Quinary
241040004114
6
Senary
21442532353
8
Octal
1022136715
10
Decimal
138984909
12
Duodecimal
3a6670b9
16
Hexadecimal
848bdcd
20
Vigesimal
238d259
36
Base36
2aqxfx
md5
bfc4f5060f6b1bb0c021fa76e2d6d72e
sha1
ed003efc6c2e557ab178916e70f43eec3bd01c4d
sha256
38f4d733c30868ba031f908dd572a3338d474a474de7e97601e66b38b37b7814
sha512
e3f995853893496a549c8b3865bcd14ca37cc3a94844ce643581210e180e6bb5e0bcb753f6d76fe8e7f93e4c39686b1a96cbc21f683a797004da44b89125af43
ripemd-160
638d93b9deed8486bbf6cf9cec4e72ebfdd20d73
Diameter
277969818
Circumference
873267938.14849
Area
6.0685532458093E+16
Volume
1.1245830941739E+25
Surface area
2.4274212983237E+17
Circumference
873267938.14849
Perimeter
555939636
Area
19316804929738281
Diagonal
196554343.27299
Surface area
115900829578429686
Volume
2.6847443753304E+24
Space diagonal
240728923.87334
Perimeter
416954727
Area
8.3644218945509E+15
Altitude
120364461.93667
Surface area
8.3644218945509E+15
Volume
3.1640015892476E+23
Height
65518114.42433