388640924 is an even 9-digits composite number following 388640923
and preceding 388640925 . In scientific notation, it is written as 3.88640924 × 10^8.
The sum of its digits is 44. It has a total of 5 prime factors and 24 positive divisors.
There are 161187120 positive integers (up to 388640924) that are relatively prime to 388640924.
388640924 has 24 divisors, whose sum is 802357248
The reverse of 388640924 is 429046883
Previous prime number is 31
Is Prime? no
Number parity even
Number length 9
Sum of Digits 44
Digital Root 8
Name
three hundred eighty-eight million six hundred forty thousand nine hundred twenty-four
Scientific notation
3.88640924 × 10^8
Engineering notation
3.88640924 × 10^6
Prime Factorization
2 × 2 × 7 × 31 × 447743
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
194320462
Product of the distinct prime numbers
The prime factorization of 388640924 is 2 × 2 × 7 × 31 × 447743.
Since it has a total of 5 prime factors.
2 , 2 , 9 , 91 , 178 , 639 , 2421 , 8233 , 51142 , 65151 , 391470 , 927511 , 8435933 , 1369704 , 89616937 , 11552910 , 321416957 , 670467013 , 759998097 , 9888622444
n×2
777281848
n×3
1165922772
n×4
1554563696
n×5
1943204620
n÷2
194320462
n÷3
129546974.66667
n÷3
97160231
n÷5
77728184.8
n2
151041767807573776
n3
5.8701012203329E+25
n4
2.2813615622437E+34
n5
8.8663046552848E+42
2 √n
19713.977883725
3 √n
729.76468552347
4 √n
140.40647379564
5 √n
52.228758909774
1 , 2 , 4 , 7 , 14 , 28 , 31 , 62 , 124 , 217 , 434 , 868 , 447743 , 895486 , 1790972 , 3134201 , 6268402 , 12536804 , 13880033 , 27760066 , 55520132 , 97160231 , 194320462 , 388640924
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-388640923
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 388640924 can be divided by 24 positive divisors.
The sum of these divisors (counting 388640924) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
10111001010100011000010011100
3
Ternary
1000002022000010022
4
Quaternary
113022203002130
5
Quinary
1243443002144
6
Senary
102321531312
8
Octal
2712430234
10
Decimal
388640924
12
Duodecimal
aa1a3b38
16
Hexadecimal
172a309c
20
Vigesimal
6190264
36
Base36
6fdx98
md5
ffe59fc455c192c0f91903e04d96f5ea
sha1
a1db4d9e07489287ced075ef2a77942490986540
sha256
1f069c0e8ff07d54d0a1ae2d0a05e709e31a65abc548604ce23e5cbcbde8eab1
sha512
b44b09870a6b9d03de981ff879f9511eaf8b742c2a033e1583a74b6f1543c36aebddd9188573dae34ba0f5d1ea00c74c19e9286685909f54d77ef1f680efd22b
ripemd-160
0634139da238e02ddca46620da1bb40d0436d21e
Diameter
777281848
Circumference
2441902943.4455
Area
4.7451170812949E+17
Volume
2.4588622492835E+26
Surface area
1.898046832518E+18
Circumference
2441902943.4455
Perimeter
1554563696
Area
151041767807573776
Diagonal
549621265.61401
Surface area
906250606845442656
Volume
5.8701012203329E+25
Space diagonal
673145826.26851
Perimeter
1165922772
Area
6.5403003976935E+16
Altitude
336572913.13426
Surface area
6.5403003976935E+16
Volume
6.9179806319147E+24
Height
183207088.538