388538385 is an odd 9-digits composite number following 388538384
and preceding 388538386 . In scientific notation, it is written as 3.88538385 × 10^8.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 207135680 positive integers (up to 388538385) that are relatively prime to 388538385.
388538385 has 16 divisors, whose sum is 621915840
The reverse of 388538385 is 583835883
Previous prime number is 6779
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 51
Digital Root 6
Name
three hundred eighty-eight million five hundred thirty-eight thousand three hundred eighty-five
Scientific notation
3.88538385 × 10^8
Engineering notation
3.88538385 × 10^6
Prime Factorization
3 × 5 × 6779 × 3821
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
388538385
Product of the distinct prime numbers
The prime factorization of 388538385 is 3 × 5 × 6779 × 3821.
Since it has a total of 4 prime factors.
9 , 4 , 6 , 44 , 379 , 720 , 7854 , 1756 , 87140 , 14730 , 357498 , 314133 , 4870004 , 7274482 , 46054126 , 72102910 , 774451394 , 155737586 , 2944999180 , 2563684712
n×2
777076770
n×3
1165615155
n×4
1554153540
n×5
1942691925
n÷2
194269192.5
n÷3
129512795
n÷3
97134596.25
n÷5
77707677
n2
150962076618408225
n3
5.8654561445563E+25
n4
2.2789548576942E+34
n5
8.8546143989642E+42
2 √n
19711.377044742
3 √n
729.70049952004
4 √n
140.39721167011
5 √n
52.226002612295
1 , 3 , 5 , 15 , 3821 , 6779 , 11463 , 19105 , 20337 , 33895 , 57315 , 101685 , 25902559 , 77707677 , 129512795 , 388538385
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
-388538384
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 388538385 can be divided by 16 positive divisors.
The sum of these divisors (counting 388538385) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10111001010001010000000010001
3
Ternary
1000002002210110120
4
Quaternary
113022022000101
5
Quinary
1243431212020
6
Senary
102315420453
8
Octal
2712120021
10
Decimal
388538385
12
Duodecimal
aa154729
16
Hexadecimal
1728a011
20
Vigesimal
61875j5
36
Base36
6fbq4x
md5
02042b622e3158f208711f59f7589a54
sha1
03ae7a845b5dc2f3954b289cb85544bf94edbf39
sha256
dbc1172b770b97f48bd6090585ed332d7ffffa6e35a1a9b04ce928fe7a48c40f
sha512
b3937bb9f1d0ecc6489c21c91f143ee0a7b7925a75c390143bbbd53f81b73a0def1d685ef8f98bb7a0e9dda5a553985522d43eec8dca1164c8336bb27107bb07
ripemd-160
21744b2f13f3e74aa2af4d5f50c0e516fc75bd61
Diameter
777076770
Circumference
2441258671.9073
Area
4.7426135087505E+17
Volume
2.4569165244921E+26
Surface area
1.8970454035002E+18
Circumference
2441258671.9073
Perimeter
1554153540
Area
150962076618408225
Diagonal
549476253.56954
Surface area
905772459710449350
Volume
5.8654561445563E+25
Space diagonal
672968223.51076
Perimeter
1165615155
Area
6.5368496679797E+16
Altitude
336484111.75538
Surface area
6.5368496679797E+16
Volume
6.9125063576134E+24
Height
183158751.18985