389925905 is an odd 9-digits composite number following 389925904
and preceding 389925906 . In scientific notation, it is written as 3.89925905 × 10^8.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 301878000 positive integers (up to 389925905) that are relatively prime to 389925905.
389925905 has 8 divisors, whose sum is 483005184
The reverse of 389925905 is 509529983
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5
Name
three hundred eighty-nine million nine hundred twenty-five thousand nine hundred five
Scientific notation
3.89925905 × 10^8
Engineering notation
3.89925905 × 10^6
Prime Factorization
5 × 31 × 2515651
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
389925905
Product of the distinct prime numbers
The prime factorization of 389925905 is 5 × 31 × 2515651.
Since it has a total of 3 prime factors.
1 , 8 , 37 , 78 , 621 , 490 , 6018 , 556 , 29637 , 18608 , 851070 , 749443 , 8976580 , 3166763 , 82424207 , 16483411 , 44405493 , 500277651 , 2181556022 , 4728150278
n×2
779851810
n×3
1169777715
n×4
1559703620
n×5
1949629525
n÷2
194962952.5
n÷3
129975301.66667
n÷3
97481476.25
n÷5
77985181
n2
152042211390069025
n3
5.9285196874474E+25
n4
2.3116834044382E+34
n5
9.0138524354906E+42
2 √n
19746.541595935
3 √n
730.56808535544
4 √n
140.52238823737
5 √n
52.263250583163
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
-389925904
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 389925905 can be divided by 8 positive divisors.
The sum of these divisors (counting 389925905) is 1, the average is 0.125.
Base
System
Value
2
Binary
10111001111011100110000010001
3
Ternary
1000011201021210012
4
Quaternary
113033130300101
5
Quinary
1244310112110
6
Senary
102405244305
8
Octal
2717346021
10
Decimal
389925905
12
Duodecimal
aa703695
16
Hexadecimal
173dcc11
20
Vigesimal
61h0ef5
36
Base36
6g5gr5
md5
152586aad6f73fec25e19787b188cfd3
sha1
5dede9edbe772b1c48c51de04aee02f25ec4b016
sha256
9eec8d617aea3b10f799ce201868c09b47d373bf337acead07d486257d1c7dd1
sha512
5a17c9b1fe23c392e75e05bbc196c57d3ff05a45bde37d9e9eaba394809ba0dc86823b883199f8c07dfafab2f6f11bc88bbce672146e6cd63249c437a12528e3
ripemd-160
384ae27e13b902d8a410bdb54933618f7acf3746
Diameter
779851810
Circumference
2449976717.1847
Area
4.7765469433859E+17
Volume
2.4833325195663E+26
Surface area
1.9106187773543E+18
Circumference
2449976717.1847
Perimeter
1559703620
Area
152042211390069025
Diagonal
551438503.1716
Surface area
912253268340414150
Volume
5.9285196874474E+25
Space diagonal
675371478.64728
Perimeter
1169777715
Area
6.5836208755682E+16
Altitude
337685739.32364
Surface area
6.5836208755682E+16
Volume
6.9868274556533E+24
Height
183812834.39053