389640809 is an odd 9-digits composite number following 389640808
and preceding 389640810 . In scientific notation, it is written as 3.89640809 × 10^8.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 368269200 positive integers (up to 389640809) that are relatively prime to 389640809.
389640809 has 8 divisors, whose sum is 411108480
The reverse of 389640809 is 908046983
Previous prime number is 431
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
three hundred eighty-nine million six hundred forty thousand eight hundred nine
Scientific notation
3.89640809 × 10^8
Engineering notation
3.89640809 × 10^6
Prime Factorization
19 × 431 × 47581
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
389640809
Product of the distinct prime numbers
The prime factorization of 389640809 is 19 × 431 × 47581.
Since it has a total of 3 prime factors.
4 , 7 , 42 , 17 , 649 , 89 , 797 , 7263 , 28406 , 74930 , 876706 , 861001 , 9344271 , 6027854 , 15806106 , 29097791 , 488549874 , 116473362 , 6926508101 , 3640942100
n×2
779281618
n×3
1168922427
n×4
1558563236
n×5
1948204045
n÷2
194820404.5
n÷3
129880269.66667
n÷3
97410202.25
n÷5
77928161.8
n2
151819960038174481
n3
5.9155252051622E+25
n4
2.3049300265993E+34
n5
8.9809480025254E+42
2 √n
19739.321391578
3 √n
730.38998927879
4 √n
140.49669530483
5 √n
52.255605847021
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-389640808
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 389640809 can be divided by 8 positive divisors.
The sum of these divisors (counting 389640809) is 1, the average is 0.125.
Base
System
Value
2
Binary
10111001110010111001001101001
3
Ternary
1000011011210201002
4
Quaternary
113032113021221
5
Quinary
1244222001214
6
Senary
102355204345
8
Octal
2716271151
10
Decimal
389640809
12
Duodecimal
aa5a66b5
16
Hexadecimal
17397269
20
Vigesimal
61f5209
36
Base36
6fzcrt
md5
37f0b37acddfac54d73ac447c679b130
sha1
257a026542470e79e0edf9940a5490533f3ee3f4
sha256
ac48c7b392cfe515b25ec2068232ff17a47c3ac3403055d8bbae0bd4f7a2f4cc
sha512
fb21518181aa03e1d550e8aa267e815a0f9eaeaa5f0ded1425ddc07aa5262ba0b84f34796d4fc87f751aeffefaa69a6db998ee41caed4f47fdc366d1c31ac983
ripemd-160
7c0516df1ffe2cfd5a9a5bacdb8844f907a5317a
Diameter
779281618
Circumference
2448185406.1864
Area
4.7695647112422E+17
Volume
2.477889403555E+26
Surface area
1.9078258844969E+18
Circumference
2448185406.1864
Perimeter
1558563236
Area
151819960038174481
Diagonal
551035316.54182
Surface area
910919760229046886
Volume
5.9155252051622E+25
Space diagonal
674877677.89024
Perimeter
1168922427
Area
6.5739971097299E+16
Altitude
337438838.94512
Surface area
6.5739971097299E+16
Volume
6.9715133114169E+24
Height
183678438.84727