388631493 is an odd 9-digits composite number following 388631492
and preceding 388631494 . In scientific notation, it is written as 3.88631493 × 10^8.
The sum of its digits is 45. It has a total of 5 prime factors and 16 positive divisors.
There are 255437280 positive integers (up to 388631493) that are relatively prime to 388631493.
388631493 has 16 divisors, whose sum is 583862400
The reverse of 388631493 is 394136883
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
three hundred eighty-eight million six hundred thirty-one thousand four hundred ninety-three
Scientific notation
3.88631493 × 10^8
Engineering notation
3.88631493 × 10^6
Prime Factorization
3 × 3 × 3 × 71 × 202729
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
43181277
Product of the distinct prime numbers
The prime factorization of 388631493 is 3 × 3 × 3 × 71 × 202729.
Since it has a total of 5 prime factors.
3 , 6 , 30 , 8 , 851 , 873 , 1618 , 1598 , 22025 , 10277 , 334671 , 574450 , 4236201 , 4055721 , 70597999 , 30225857 , 142472321 , 706945322 , 2646511425 , 5072402919
n×2
777262986
n×3
1165894479
n×4
1554525972
n×5
1943157465
n÷2
194315746.5
n÷3
129543831
n÷3
97157873.25
n÷5
77726298.6
n2
151034437351409049
n3
5.8696738882293E+25
n4
2.2811401266057E+34
n5
8.8652289314497E+42
2 √n
19713.73868651
3 √n
729.75878250263
4 √n
140.4056219904
5 √n
52.228505424268
1 , 3 , 9 , 27 , 71 , 213 , 639 , 1917 , 202729 , 608187 , 1824561 , 5473683 , 14393759 , 43181277 , 129543831 , 388631493
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
-388631492
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 388631493 can be divided by 16 positive divisors.
The sum of these divisors (counting 388631493) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10111001010100000101111000101
3
Ternary
1000002021112012000
4
Quaternary
113022200233011
5
Quinary
1243442201433
6
Senary
102321415513
8
Octal
2712405705
10
Decimal
388631493
12
Duodecimal
aa19a599
16
Hexadecimal
172a0bc5
20
Vigesimal
618iied
36
Base36
6fdpz9
md5
77f7bd28505d05cca57f2b7c9f10b04c
sha1
31f8dcecf26add8c7da5c465b9deedeb8232a5e0
sha256
ce4f6031b389bae5aa7942b32fba23ac0594a32f9df3de02ba213581db73b640
sha512
8f72545774a374d261b1489900483aa06739db201d38c395db51b5723d7a65fa9664b9086ac16ee1bbef0ad41f29407252d4ed11cf835ee3b0a514890d425a4c
ripemd-160
6968b9596c2d59c4d98b8fb0677dc543f22312e4
Diameter
777262986
Circumference
2441843686.7249
Area
4.7448867882225E+17
Volume
2.4586832488305E+26
Surface area
1.897954715289E+18
Circumference
2441843686.7249
Perimeter
1554525972
Area
151034437351409049
Diagonal
549607928.1659
Surface area
906206624108454294
Volume
5.8696738882293E+25
Space diagonal
673129491.29735
Perimeter
1165894479
Area
6.5399829796305E+16
Altitude
336564745.64867
Surface area
6.5399829796305E+16
Volume
6.9174770162009E+24
Height
183202642.72197