388640925 is an odd 9-digits composite number following 388640924
and preceding 388640926 . In scientific notation, it is written as 3.88640925 × 10^8.
The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors.
There are 207275040 positive integers (up to 388640925) that are relatively prime to 388640925.
388640925 has 4 divisors, whose sum is 390368444
The reverse of 388640925 is 529046883
Previous prime number is 225
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
three hundred eighty-eight million six hundred forty thousand nine hundred twenty-five
Scientific notation
3.88640925 × 10^8
Engineering notation
3.88640925 × 10^6
Prime Factorization
225 × 1727293
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
388640925
Product of the distinct prime numbers
The prime factorization of 388640925 is 225 × 1727293.
Since it has a total of 2 prime factors.
8 , 6 , 85 , 39 , 542 , 627 , 27 , 3727 , 84603 , 80384 , 227477 , 506151 , 4554382 , 1304915 , 75152944 , 6406284 , 494791269 , 203236155 , 618078258 , 4323014601
n×2
777281850
n×3
1165922775
n×4
1554563700
n×5
1943204625
n÷2
194320462.5
n÷3
129546975
n÷3
97160231.25
n÷5
77728185
n2
151041768584855625
n3
5.8701012656454E+25
n4
2.2813615857241E+34
n5
8.8663047693528E+42
2 √n
19713.977909088
3 √n
729.76468614938
4 √n
140.40647388596
5 √n
52.228758936651
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-388640924
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 388640925 can be divided by 4 positive divisors.
The sum of these divisors (counting 388640925) is 1, the average is 0.25.
Base
System
Value
2
Binary
10111001010100011000010011101
3
Ternary
1000002022000010100
4
Quaternary
113022203002131
5
Quinary
1243443002200
6
Senary
102321531313
8
Octal
2712430235
10
Decimal
388640925
12
Duodecimal
aa1a3b39
16
Hexadecimal
172a309d
20
Vigesimal
6190265
36
Base36
6fdx99
md5
99540190be31d1f1dc15d460d904169a
sha1
34f30625dbeb21a7987d354eb50048e0c3389e26
sha256
5750014934fda7cace1e9669b7f07b2617844a711c1dc63398df1911bbd25904
sha512
039baa6c36cf5c0c95b2ab77e67ccd73cb01e984a72a9e0265ca9fac81d2c11f3c250feba5c02caf6eb497ef3eb6e219bb15614f85e7720aac5cd07be6b3a848
ripemd-160
4f1d06146c8d07c935eb4457d868fb19d294ff6d
Diameter
777281850
Circumference
2441902949.7287
Area
4.7451171057139E+17
Volume
2.458862268264E+26
Surface area
1.8980468422856E+18
Circumference
2441902949.7287
Perimeter
1554563700
Area
151041768584855625
Diagonal
549621267.02822
Surface area
906250611509133750
Volume
5.8701012656454E+25
Space diagonal
673145828.00057
Perimeter
1165922775
Area
6.5403004313508E+16
Altitude
336572914.00028
Surface area
6.5403004313508E+16
Volume
6.917980685316E+24
Height
183207089.00941