388631345 is an odd 9-digits composite number following 388631344
and preceding 388631346 . In scientific notation, it is written as 3.88631345 × 10^8.
The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors.
There are 287791680 positive integers (up to 388631345) that are relatively prime to 388631345.
388631345 has 16 divisors, whose sum is 502336512
The reverse of 388631345 is 543136883
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 41
Digital Root 5
Name
three hundred eighty-eight million six hundred thirty-one thousand three hundred forty-five
Scientific notation
3.88631345 × 10^8
Engineering notation
3.88631345 × 10^6
Prime Factorization
31 × 5 × 23 × 109013
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
388631345
Product of the distinct prime numbers
The prime factorization of 388631345 is 31 × 5 × 23 × 109013.
Since it has a total of 4 prime factors.
3 , 4 , 84 , 54 , 186 , 589 , 8727 , 94 , 23173 , 87944 , 358726 , 509892 , 3475683 , 9626790 , 6985908 , 69958918 , 366210013 , 416535878 , 8869315118 , 6958084114
n×2
777262690
n×3
1165894035
n×4
1554525380
n×5
1943156725
n÷2
194315672.5
n÷3
129543781.66667
n÷3
97157836.25
n÷5
77726269
n2
151034322316509025
n3
5.8696671823028E+25
n4
2.2811366517607E+34
n5
8.8652120510256E+42
2 √n
19713.734932782
3 √n
729.75868986619
4 √n
140.40560862295
5 √n
52.228501446299
1 , 5 , 23 , 31 , 115 , 155 , 713 , 3565 , 109013 , 545065 , 2507299 , 3379403 , 12536495 , 16897015 , 77726269 , 388631345
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
-388631344
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 388631345 can be divided by 16 positive divisors.
The sum of these divisors (counting 388631345) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10111001010100000101100110001
3
Ternary
1000002021111222112
4
Quaternary
113022200230301
5
Quinary
1243442200340
6
Senary
102321415105
8
Octal
2712405461
10
Decimal
388631345
12
Duodecimal
aa19a495
16
Hexadecimal
172a0b31
20
Vigesimal
618ii75
36
Base36
6fdpv5
md5
508b543d13e1d497f055aa093b964ed8
sha1
fa5bc6cf2737b9376d7bf385c5a344c51d78de5c
sha256
5b79b394f8ab209793ed319c34fbee3f4708b4d27961dd597a606d8491a10117
sha512
dc9d8c31f10729bde08ed46502c53d41542c4d3fd5a89e65a7e3212ae72e27f7bfef944914fd1ab368d3bf3ba8f7e4ebba21014ae707e19cf3d8f968e59534b9
ripemd-160
a31ff3a79382910146f4f669dd918af2bdad8222
Diameter
777262690
Circumference
2441842756.8134
Area
4.7448831742946E+17
Volume
2.4586804398586E+26
Surface area
1.8979532697178E+18
Circumference
2441842756.8134
Perimeter
1554525380
Area
151034322316509025
Diagonal
549607718.8623
Surface area
906205933899054150
Volume
5.8696671823028E+25
Space diagonal
673129234.95383
Perimeter
1165894035
Area
6.5399779984732E+16
Altitude
336564617.47691
Surface area
6.5399779984732E+16
Volume
6.9174691131908E+24
Height
183202572.9541