388630785 is an odd 9-digits composite number following 388630784
and preceding 388630786 . In scientific notation, it is written as 3.88630785 × 10^8.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 207269744 positive integers (up to 388630785) that are relatively prime to 388630785.
388630785 has 8 divisors, whose sum is 621809280
The reverse of 388630785 is 587036883
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 48
Digital Root 3
Name
three hundred eighty-eight million six hundred thirty thousand seven hundred eighty-five
Scientific notation
3.88630785 × 10^8
Engineering notation
3.88630785 × 10^6
Prime Factorization
3 × 5 × 25908719
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
388630785
Product of the distinct prime numbers
The prime factorization of 388630785 is 3 × 5 × 25908719.
Since it has a total of 3 prime factors.
2 , 9 , 15 , 23 , 861 , 905 , 4400 , 8569 , 37643 , 57305 , 629681 , 695150 , 5687762 , 7267385 , 48309341 , 61856953 , 988692166 , 618995876 , 6854343714 , 7244380096
n×2
777261570
n×3
1165892355
n×4
1554523140
n×5
1943153925
n÷2
194315392.5
n÷3
129543595
n÷3
97157696.25
n÷5
77726157
n2
151033887049716225
n3
5.8696418085733E+25
n4
2.2811235037346E+34
n5
8.8651481793835E+42
2 √n
19713.720729482
3 √n
729.75833934972
4 √n
140.40555804341
5 √n
52.228486394513
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
-388630784
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 388630785 can be divided by 8 positive divisors.
The sum of these divisors (counting 388630785) is 1, the average is 0.125.
Base
System
Value
2
Binary
10111001010100000100100000001
3
Ternary
1000002021111012210
4
Quaternary
113022200210001
5
Quinary
1243442141120
6
Senary
102321412333
8
Octal
2712404401
10
Decimal
388630785
12
Duodecimal
aa19a0a9
16
Hexadecimal
172a0901
20
Vigesimal
618igj5
36
Base36
6fdpfl
md5
e12a90577a409d0f7a41919f640e2a22
sha1
2bde3dfb253541a89ce3914b0a93b849832617a9
sha256
8e07ccb86a0d89dc216bc1516f60bcedaf0c1b2dabfe1095f73f76f4c8e799ce
sha512
4edd7a995426812c736e90fe4a9f14087d523367abece82898d4231c65e197793ba46d97ea21513f9434205db2cba1d6026f40d0ac4695f48308a42070dd0b9a
ripemd-160
aac1858e137b721b3dfb8f5f63e6e381fd097b47
Diameter
777261570
Circumference
2441839238.2297
Area
4.744869499985E+17
Volume
2.4586698113356E+26
Surface area
1.897947799994E+18
Circumference
2441839238.2297
Perimeter
1554523140
Area
151033887049716225
Diagonal
549606926.9027
Surface area
906203322298297350
Volume
5.8696418085733E+25
Space diagonal
673128265.00538
Perimeter
1165892355
Area
6.5399591508682E+16
Altitude
336564132.50269
Surface area
6.5399591508682E+16
Volume
6.9174392099637E+24
Height
183202308.96757