389406905 is an odd 9-digits composite number following 389406904
and preceding 389406906 . In scientific notation, it is written as 3.89406905 × 10^8.
The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors.
There are 297430848 positive integers (up to 389406905) that are relatively prime to 389406905.
389406905 has 16 divisors, whose sum is 488505600
The reverse of 389406905 is 509604983
Previous prime number is 599
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
three hundred eighty-nine million four hundred six thousand nine hundred five
Scientific notation
3.89406905 × 10^8
Engineering notation
3.89406905 × 10^6
Prime Factorization
5 × 23 × 599 × 5653
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
389406905
Product of the distinct prime numbers
The prime factorization of 389406905 is 5 × 23 × 599 × 5653.
Since it has a total of 4 prime factors.
9 , 8 , 16 , 3 , 369 , 214 , 735 , 8032 , 80630 , 65296 , 916222 , 911881 , 3687286 , 7057342 , 52611303 , 17513021 , 540629478 , 622891952 , 4389431173 , 8363239063
n×2
778813810
n×3
1168220715
n×4
1557627620
n×5
1947034525
n÷2
194703452.5
n÷3
129802301.66667
n÷3
97351726.25
n÷5
77881381
n2
151637737661679025
n3
5.9048782104036E+25
n4
2.2994003483152E+34
n5
8.9540237299335E+42
2 √n
19733.395678393
3 √n
730.24380734814
4 √n
140.47560527861
5 √n
52.249330461602
1 , 5 , 23 , 115 , 599 , 2995 , 5653 , 13777 , 28265 , 68885 , 130019 , 650095 , 3386147 , 16930735 , 77881381 , 389406905
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
-389406904
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 389406905 can be divided by 16 positive divisors.
The sum of these divisors (counting 389406905) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10111001101011110000010111001
3
Ternary
1000010201220211222
4
Quaternary
113031132002321
5
Quinary
1244142010110
6
Senary
102350201425
8
Octal
2715360271
10
Decimal
389406905
12
Duodecimal
aa4b3275
16
Hexadecimal
1735e0b9
20
Vigesimal
61dfh55
36
Base36
6fucah
md5
2b319b25db0ff095014d019cdc24e2f9
sha1
19a577a39722167f07668605ec870d4d4e01f218
sha256
11b57995f2f2c1e1af8782605fb7d1e4204664fc1927cdc1c03005b39e7a4ceb
sha512
c9545ddfb65a117724d4d1a8ad04093af3f79ebb0d6164406cde3cb925e7fe930d7ebfee53ae44ee4a7b694fe9c9a3aaadf69a33510a468919c86defb9aae038
ripemd-160
4b49a7a44a3156d1dc2a59f005c8ebf360f4eefb
Diameter
778813810
Circumference
2446715744.0103
Area
4.7638400264491E+17
Volume
2.4734296008195E+26
Surface area
1.9055360105796E+18
Circumference
2446715744.0103
Perimeter
1557627620
Area
151637737661679025
Diagonal
550704526.33273
Surface area
909826425970074150
Volume
5.9048782104036E+25
Space diagonal
674472544.27815
Perimeter
1168220715
Area
6.5661066493707E+16
Altitude
337236272.13907
Surface area
6.5661066493707E+16
Volume
6.9589657077618E+24
Height
183568175.44424