389640979 is an odd 9-digits composite number following 389640978
and preceding 389640980 . In scientific notation, it is written as 3.89640979 × 10^8.
The sum of its digits is 55. It has a total of 4 prime factors and 16 positive divisors.
There are 303681312 positive integers (up to 389640979) that are relatively prime to 389640979.
389640979 has 16 divisors, whose sum is 486723328
The reverse of 389640979 is 979046983
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 55
Digital Root 1
Name
three hundred eighty-nine million six hundred forty thousand nine hundred seventy-nine
Scientific notation
3.89640979 × 10^8
Engineering notation
3.89640979 × 10^6
Prime Factorization
7 × 13 × 67 × 63907
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
389640979
Product of the distinct prime numbers
The prime factorization of 389640979 is 7 × 13 × 67 × 63907.
Since it has a total of 4 prime factors.
7 , 9 , 5 , 69 , 492 , 77 , 2501 , 1086 , 82310 , 45226 , 51084 , 645875 , 9776442 , 1211896 , 30593077 , 60172266 , 588009278 , 297998049 , 7993340115 , 1075698089
n×2
779281958
n×3
1168922937
n×4
1558563916
n×5
1948204895
n÷2
194820489.5
n÷3
129880326.33333
n÷3
97410244.75
n÷5
77928195.8
n2
151820092516078441
n3
5.9155329479835E+25
n4
2.3049340491591E+34
n5
8.9809675944477E+42
2 √n
19739.325697703
3 √n
730.39009550165
4 √n
140.49671062948
5 √n
52.255610406837
1 , 7 , 13 , 67 , 91 , 469 , 871 , 6097 , 63907 , 447349 , 830791 , 4281769 , 5815537 , 29972383 , 55662997 , 389640979
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
-389640978
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 389640979 can be divided by 16 positive divisors.
The sum of these divisors (counting 389640979) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10111001110010111001100010011
3
Ternary
1000011011210221101
4
Quaternary
113032113030103
5
Quinary
1244222002404
6
Senary
102355205231
8
Octal
2716271423
10
Decimal
389640979
12
Duodecimal
aa5a6817
16
Hexadecimal
17397313
20
Vigesimal
61f528j
36
Base36
6fzcwj
md5
f54918742df17c65bcbedc8dd08bb2c4
sha1
847bbb00c1492580727698282c17ab70aaee7995
sha256
2389177bfd3a977ac76571888c45903a08e48e93778700f7ebcf1a4ec78a3616
sha512
ed31e08a278f5f9e36b93470f7b699471fc18f49b4011f399dfe23d42eee9baeec3e0922bde238ae0da4b5058f312fa2ec5d0feb2112be83e01c73242fb2ea38
ripemd-160
01c5a5693bb61baa9faac7ceb3b6938e6acb39d6
Diameter
779281958
Circumference
2448186474.3279
Area
4.7695688731583E+17
Volume
2.4778926468605E+26
Surface area
1.9078275492633E+18
Circumference
2448186474.3279
Perimeter
1558563916
Area
151820092516078441
Diagonal
551035556.95813
Surface area
910920555096470646
Volume
5.9155329479835E+25
Space diagonal
674877972.33888
Perimeter
1168922937
Area
6.5740028461914E+16
Altitude
337438986.16944
Surface area
6.5740028461914E+16
Volume
6.9715224364193E+24
Height
183678518.98604