389616987 is an odd 9-digits composite number following 389616986
and preceding 389616988 . In scientific notation, it is written as 3.89616987 × 10^8.
The sum of its digits is 57. It has a total of 4 prime factors and 16 positive divisors.
There are 245044800 positive integers (up to 389616987) that are relatively prime to 389616987.
389616987 has 16 divisors, whose sum is 549508608
The reverse of 389616987 is 789616983
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 57
Digital Root 3
Name
three hundred eighty-nine million six hundred sixteen thousand nine hundred eighty-seven
Scientific notation
3.89616987 × 10^8
Engineering notation
3.89616987 × 10^6
Prime Factorization
23 × 3 × 73 × 77351
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
389616987
Product of the distinct prime numbers
The prime factorization of 389616987 is 23 × 3 × 73 × 77351.
Since it has a total of 4 prime factors.
3 , 9 , 14 , 65 , 783 , 328 , 7387 , 8360 , 23045 , 75321 , 759873 , 871252 , 2110665 , 3409268 , 31667916 , 36918096 , 981722248 , 952508785 , 7782029226 , 9589833859
n×2
779233974
n×3
1168850961
n×4
1558467948
n×5
1948084935
n÷2
194808493.5
n÷3
129872329
n÷3
97404246.75
n÷5
77923397.4
n2
151801396558958169
n3
5.9144402749693E+25
n4
2.304366399725E+34
n5
8.978202936049E+42
2 √n
19738.717967487
3 √n
730.37510402676
4 √n
140.49454782121
5 √n
52.254966866988
1 , 3 , 23 , 69 , 73 , 219 , 1679 , 5037 , 77351 , 232053 , 1779073 , 5337219 , 5646623 , 16939869 , 129872329 , 389616987
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
-389616986
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 389616987 can be divided by 16 positive divisors.
The sum of these divisors (counting 389616987) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10111001110010001010101011011
3
Ternary
1000011010121000210
4
Quaternary
113032101111123
5
Quinary
1244220220422
6
Senary
102354502203
8
Octal
2716212533
10
Decimal
389616987
12
Duodecimal
aa594963
16
Hexadecimal
1739155b
20
Vigesimal
61f2297
36
Base36
6fyue3
md5
1780ea07483243517090cca088f67045
sha1
abecda6ce23aee96471c9b581ad27e9953d7e4bb
sha256
58e8195ae14554b35c2b474464f5f62b713296771071363ecf6208b40cbd15d9
sha512
489b30bf79027f0b3a5eb82432f2a2ecb65ae81f08de4a536e18251510a958dfcc38bfe9820c82bd41cfe1103394296f1efdf2ecc053a8db8744ddb1f0d764ef
ripemd-160
188db9990962464aaa0530c73e5012d86271eadd
Diameter
779233974
Circumference
2448035728.146
Area
4.7689815223429E+17
Volume
2.4774349490586E+26
Surface area
1.9075926089372E+18
Circumference
2448035728.146
Perimeter
1558467948
Area
151801396558958169
Diagonal
551001627.14634
Surface area
910808379353749014
Volume
5.9144402749693E+25
Space diagonal
674836416.9759
Perimeter
1168850961
Area
6.5731932875007E+16
Altitude
337418208.48795
Surface area
6.5731932875007E+16
Volume
6.9702347089228E+24
Height
183667209.04878