389910985 is an odd 9-digits composite number following 389910984
and preceding 389910986 . In scientific notation, it is written as 3.89910985 × 10^8.
The sum of its digits is 52. It has a total of 4 prime factors and 16 positive divisors.
There are 306783936 positive integers (up to 389910985) that are relatively prime to 389910985.
389910985 has 16 divisors, whose sum is 475675200
The reverse of 389910985 is 589019983
Previous prime number is 139
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 52
Digital Root 7
Name
three hundred eighty-nine million nine hundred ten thousand nine hundred eighty-five
Scientific notation
3.89910985 × 10^8
Engineering notation
3.89910985 × 10^6
Prime Factorization
5 × 109 × 139 × 5147
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
389910985
Product of the distinct prime numbers
The prime factorization of 389910985 is 5 × 109 × 139 × 5147.
Since it has a total of 4 prime factors.
5 , 8 , 10 , 98 , 102 , 969 , 1765 , 8661 , 41637 , 88387 , 469478 , 917314 , 5396773 , 533826 , 53657019 , 70370986 , 207967862 , 670800173 , 6269276906 , 3532183815
n×2
779821970
n×3
1169732955
n×4
1559643940
n×5
1949554925
n÷2
194955492.5
n÷3
129970328.33333
n÷3
97477746.25
n÷5
77982197
n2
152030576223670225
n3
5.9278391725489E+25
n4
2.3113296106901E+34
n5
9.0121280516385E+42
2 √n
19746.163804648
3 √n
730.55876716214
4 √n
140.52104399217
5 √n
52.262850620184
1 , 5 , 109 , 139 , 545 , 695 , 5147 , 15151 , 25735 , 75755 , 561023 , 715433 , 2805115 , 3577165 , 77982197 , 389910985
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
-389910984
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 389910985 can be divided by 16 positive divisors.
The sum of these divisors (counting 389910985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10111001111011001000111001001
3
Ternary
1000011200112022121
4
Quaternary
113033121013021
5
Quinary
1244304122420
6
Senary
102405051241
8
Octal
2717310711
10
Decimal
389910985
12
Duodecimal
aa6b6b21
16
Hexadecimal
173d91c9
20
Vigesimal
61gih95
36
Base36
6g558p
md5
b1d330fd73b81a5247d1ef77b496d609
sha1
c767bc1565accfc0898239cd919c119e052ed29f
sha256
4475d05ec0c761aa5ecba8bc8751c2d4bccafd2d5c0b48ca88cbb39d1fc6120b
sha512
2977962cd05beedfbcf81a21bbab697a5c2abdd2009f401c3599f10963f8351f4a7604198daf0c50b72f9d6a58ff078f0ad30c8438ac64c61dfbb2af9b5e1eb8
ripemd-160
194e618e9d57405a735b41bd14d960a0a5470f5e
Diameter
779821970
Circumference
2449882972.0599
Area
4.7761814138531E+17
Volume
2.4830474661522E+26
Surface area
1.9104725655412E+18
Circumference
2449882972.0599
Perimeter
1559643940
Area
152030576223670225
Diagonal
551417403.10525
Surface area
912183457342021350
Volume
5.9278391725489E+25
Space diagonal
675345636.44923
Perimeter
1169732955
Area
6.5831170580842E+16
Altitude
337672818.22461
Surface area
6.5831170580842E+16
Volume
6.9860254611543E+24
Height
183805801.03508