388664665 is an odd 9-digits composite number following 388664664
and preceding 388664666 . In scientific notation, it is written as 3.88664665 × 10^8.
The sum of its digits is 52. It has a total of 4 prime factors and 16 positive divisors.
There are 291643200 positive integers (up to 388664665) that are relatively prime to 388664665.
388664665 has 16 divisors, whose sum is 495817920
The reverse of 388664665 is 566466883
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 52
Digital Root 7
Name
three hundred eighty-eight million six hundred sixty-four thousand six hundred sixty-five
Scientific notation
3.88664665 × 10^8
Engineering notation
3.88664665 × 10^6
Prime Factorization
19 × 5 × 101 × 40507
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
388664665
Product of the distinct prime numbers
The prime factorization of 388664665 is 19 × 5 × 101 × 40507.
Since it has a total of 4 prime factors.
1 , 2 , 49 , 71 , 130 , 884 , 341 , 8173 , 46984 , 2624 , 387880 , 977376 , 8978741 , 5480932 , 72780321 , 85144828 , 157100147 , 798372891 , 4624202323 , 3560752465
n×2
777329330
n×3
1165993995
n×4
1554658660
n×5
1943323325
n÷2
194332332.5
n÷3
129554888.33333
n÷3
97166166.25
n÷5
77732933
n2
151060221819562225
n3
5.8711770508326E+25
n4
2.2819190616175E+34
n5
8.8690130764069E+42
2 √n
19714.580010743
3 √n
729.77954499019
4 √n
140.40861800738
5 √n
52.229396996291
1 , 5 , 19 , 95 , 101 , 505 , 1919 , 9595 , 40507 , 202535 , 769633 , 3848165 , 4091207 , 20456035 , 77732933 , 388664665
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
-388664664
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 388664665 can be divided by 16 positive divisors.
The sum of these divisors (counting 388664665) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10111001010101000110101011001
3
Ternary
1000002100012200121
4
Quaternary
113022220311121
5
Quinary
1243444232130
6
Senary
102322233241
8
Octal
2712506531
10
Decimal
388664665
12
Duodecimal
aa1b5821
16
Hexadecimal
172a8d59
20
Vigesimal
61931d5
36
Base36
6fefkp
md5
35a8c88a5d2af8368172d56a54ff245e
sha1
cf1dafd51ce32f0669c964b77996829a139b40f2
sha256
001f6f14f84aee651cd33bf05e1280b3a44c147774a4df8411720b47168cb1db
sha512
ec2fd66c7dcbac25508a547a29498272b39501ee9452b0debac161df853dba2238bbf5aae4d4a9269426a9394e50452d28d11bc73ddc69648e4c58846c961caa
ripemd-160
72af1c39276a8b14869c1f1b93c4a29ab50867e2
Diameter
777329330
Circumference
2442052112.5479
Area
4.7456968311798E+17
Volume
2.4593128921094E+26
Surface area
1.8982787324719E+18
Circumference
2442052112.5479
Perimeter
1554658660
Area
151060221819562225
Diagonal
549654840.4582
Surface area
906361330917373350
Volume
5.8711770508326E+25
Space diagonal
673186946.88674
Perimeter
1165993995
Area
6.5410994798527E+16
Altitude
336593473.44337
Surface area
6.5410994798527E+16
Volume
6.9192485103176E+24
Height
183218280.15273