389940986 is an even 9-digits composite number following 389940985
and preceding 389940987 . In scientific notation, it is written as 3.89940986 × 10^8.
The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors.
There are 194970492 positive integers (up to 389940986) that are relatively prime to 389940986.
389940986 has 4 divisors, whose sum is 584911482
The reverse of 389940986 is 689049983
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 56
Digital Root 2
Name
three hundred eighty-nine million nine hundred forty thousand nine hundred eighty-six
Scientific notation
3.89940986 × 10^8
Engineering notation
3.89940986 × 10^6
Prime Factorization
2 × 194970493
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
389940986
Product of the distinct prime numbers
The prime factorization of 389940986 is 2 × 194970493.
Since it has a total of 2 prime factors.
1 , 9 , 18 , 79 , 440 , 667 , 2017 , 896 , 41111 , 45150 , 457389 , 28656 , 2963271 , 9621003 , 8416392 , 91947918 , 444555940 , 817426614 , 9088499770 , 8167510221
n×2
779881972
n×3
1169822958
n×4
1559763944
n×5
1949704930
n÷2
194970493
n÷3
129980328.66667
n÷3
97485246.5
n÷5
77988197.2
n2
152053972562652196
n3
5.9292075986298E+25
n4
2.3120410572084E+34
n5
9.0155956952032E+42
2 √n
19746.923456579
3 √n
730.57750385873
4 √n
140.52374694897
5 √n
52.263654849655
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
-389940985
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 389940986 can be divided by 4 positive divisors.
The sum of these divisors (counting 389940986) is 1, the average is 0.25.
Base
System
Value
2
Binary
10111001111100000011011111010
3
Ternary
1000011202001110202
4
Quaternary
113033200123322
5
Quinary
1244311102421
6
Senary
102405442202
8
Octal
2717403372
10
Decimal
389940986
12
Duodecimal
aa710362
16
Hexadecimal
173e06fa
20
Vigesimal
61h2c96
36
Base36
6g5se2
md5
076b337a33ceed2723415f2ad48b033c
sha1
830cfe844cee9e58ba1e5fd81ee5ab480236043c
sha256
57f47ca883a7663dc15b61b83391921334f2a12f9902dd1f196f71021e265069
sha512
4bd20493f601e05766db558094b4e09459db2a72faecd73938bbb1745d4d481cf92b32225b825aedb02098338016502692935593a2bb6ec6c14065b64441ed8a
ripemd-160
8f54eeb193cef800559d4bc3c3fd66d3393ab587
Diameter
779881972
Circumference
2450071473.9023
Area
4.7769164315197E+17
Volume
2.4836206711285E+26
Surface area
1.9107665726079E+18
Circumference
2450071473.9023
Perimeter
1559763944
Area
152053972562652196
Diagonal
551459830.92634
Surface area
912323835375913176
Volume
5.9292075986298E+25
Space diagonal
675397599.7055
Perimeter
1169822958
Area
6.5841301492799E+16
Altitude
337698799.85275
Surface area
6.5841301492799E+16
Volume
6.9876381667565E+24
Height
183819943.64211