138984985 is an odd 9-digits composite number following 138984984
and preceding 138984986 . In scientific notation, it is written as 1.38984985 × 10^8.
The sum of its digits is 55. It has a total of 4 prime factors and 16 positive divisors.
There are 109226880 positive integers (up to 138984985) that are relatively prime to 138984985.
138984985 has 16 divisors, whose sum is 169741440
The reverse of 138984985 is 589489831
Previous prime number is 379
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 55
Digital Root 1
Name
one hundred thirty-eight million nine hundred eighty-four thousand nine hundred eighty-five
Scientific notation
1.38984985 × 10^8
Engineering notation
1.38984985 × 10^6
Prime Factorization
5 × 71 × 379 × 1033
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
138984985
Product of the distinct prime numbers
The prime factorization of 138984985 is 5 × 71 × 379 × 1033.
Since it has a total of 4 prime factors.
3 , 3 , 80 , 44 , 957 , 785 , 1150 , 6298 , 1915 , 36718 , 223145 , 298663 , 1873322 , 410350 , 25886371 , 15480584 , 2768498 , 807743972 , 615815135 , 4023914586
n×2
277969970
n×3
416954955
n×4
555939940
n×5
694924925
n÷2
69492492.5
n÷3
46328328.333333
n÷3
34746246.25
n÷5
27796997
n2
19316826055450225
n3
2.6847487795644E+24
n4
3.7313976885652E+32
n5
5.1860825177427E+40
2 √n
11789.189327515
3 √n
517.9914939744
4 √n
108.57803335627
5 √n
42.520031433421
1 , 5 , 71 , 355 , 379 , 1033 , 1895 , 5165 , 26909 , 73343 , 134545 , 366715 , 391507 , 1957535 , 27796997 , 138984985
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
-138984984
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 138984985 can be divided by 16 positive divisors.
The sum of these divisors (counting 138984985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000010010001011111000011001
3
Ternary
100200112011120001
4
Quaternary
20102023320121
5
Quinary
241040004420
6
Senary
21442533001
8
Octal
1022137031
10
Decimal
138984985
12
Duodecimal
3a667161
16
Hexadecimal
848be19
20
Vigesimal
238d295
36
Base36
2aqxi1
md5
3fcb73beff7103c500119a8a9f99fce4
sha1
cdfccc96fe383b35082fc1b27d97a9f4f0f0917f
sha256
a08af11d042bd4bee8b6f731ee22dcec89ef83841bcb63894bd38a5127b8387e
sha512
ba7ad6f9bd70737b11c8ac728f930745c06e78937270cae68c5381333171dbb2d545ebe6a4bee6ce92c314bbf4d6f6445d589ec55226d0a32218fe281eef5d80
ripemd-160
65f1d63f4754b4769c9fe4b813d15d6030d59127
Diameter
277969970
Circumference
873268415.67058
Area
6.0685598826474E+16
Volume
1.1245849390151E+25
Surface area
2.427423953059E+17
Circumference
873268415.67058
Perimeter
555939940
Area
19316826055450225
Diagonal
196554450.75322
Surface area
115900956332701350
Volume
2.6847487795644E+24
Space diagonal
240729055.5092
Perimeter
416954955
Area
8.3644310422525E+15
Altitude
120364527.7546
Surface area
8.3644310422525E+15
Volume
3.1640067796871E+23
Height
65518150.251074