389920405 is an odd 9-digits composite number following 389920404
and preceding 389920406 . In scientific notation, it is written as 3.89920405 × 10^8.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 264775680 positive integers (up to 389920405) that are relatively prime to 389920405.
389920405 has 16 divisors, whose sum is 539944704
The reverse of 389920405 is 504029983
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
three hundred eighty-nine million nine hundred twenty thousand four hundred five
Scientific notation
3.89920405 × 10^8
Engineering notation
3.89920405 × 10^6
Prime Factorization
5 × 7 × 103 × 108161
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
389920405
Product of the distinct prime numbers
The prime factorization of 389920405 is 5 × 7 × 103 × 108161.
Since it has a total of 4 prime factors.
7 , 4 , 31 , 65 , 175 , 390 , 9375 , 8259 , 85558 , 64395 , 560779 , 620583 , 262643 , 1393439 , 88457947 , 2980209 , 232086145 , 106585381 , 9978855943 , 2312164540
n×2
779840810
n×3
1169761215
n×4
1559681620
n×5
1949602025
n÷2
194960202.5
n÷3
129973468.33333
n÷3
97480101.25
n÷5
77984081
n2
152037922235364025
n3
5.9282688213372E+25
n4
2.3115529797647E+34
n5
9.0132167404879E+42
2 √n
19746.402330551
3 √n
730.56465039227
4 √n
140.52189270911
5 √n
52.263103145152
1 , 5 , 7 , 35 , 103 , 515 , 721 , 3605 , 108161 , 540805 , 757127 , 3785635 , 11140583 , 55702915 , 77984081 , 389920405
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
-389920404
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 389920405 can be divided by 16 positive divisors.
The sum of these divisors (counting 389920405) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10111001111011011011010010101
3
Ternary
1000011201000020111
4
Quaternary
113033123122111
5
Quinary
1244304423110
6
Senary
102405203021
8
Octal
2717333225
10
Decimal
389920405
12
Duodecimal
aa700471
16
Hexadecimal
173db695
20
Vigesimal
61h0105
36
Base36
6g5cid
md5
c84fe2614799bd1eacb38b2cde4f23f9
sha1
95ff5f303d570df824aacd2757262b6121bcd1c0
sha256
ed0f2427c77d0ab2b3b44484db23e129a4125fd54a77375fe164cbdec312a68a
sha512
b6cd3450d3e9f7a3f7675e533b7e4f63da2a997646939720c5e746dbc70a14a9b73a3ba1d479bab07072f4ed8be57a6ed7d00b5dfafac444d95981408996d885
ripemd-160
387397b53d7e274e816763ca160ca9ca20be1abc
Diameter
779840810
Circumference
2449942159.6655
Area
4.7764121956168E+17
Volume
2.4832274370158E+26
Surface area
1.9105648782467E+18
Circumference
2449942159.6655
Perimeter
1559681620
Area
152037922235364025
Diagonal
551430724.99701
Surface area
912227533412184150
Volume
5.9282688213372E+25
Space diagonal
675361952.36783
Perimeter
1169761215
Area
6.5834351497214E+16
Altitude
337680976.18392
Surface area
6.5834351497214E+16
Volume
6.9865318071072E+24
Height
183810241.66567