388618916 is an even 9-digits composite number following 388618915
and preceding 388618917 . In scientific notation, it is written as 3.88618916 × 10^8.
The sum of its digits is 50. It has a total of 4 prime factors and 12 positive divisors.
There are 166550952 positive integers (up to 388618916) that are relatively prime to 388618916.
388618916 has 12 divisors, whose sum is 777237888
The reverse of 388618916 is 619816883
Previous prime number is 7
Is Prime? no
Number parity even
Number length 9
Sum of Digits 50
Digital Root 5
Name
three hundred eighty-eight million six hundred eighteen thousand nine hundred sixteen
Scientific notation
3.88618916 × 10^8
Engineering notation
3.88618916 × 10^6
Prime Factorization
2 × 2 × 7 × 13879247
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
194309458
Product of the distinct prime numbers
The prime factorization of 388618916 is 2 × 2 × 7 × 13879247.
Since it has a total of 4 prime factors.
2 , 5 , 20 , 61 , 564 , 602 , 3314 , 845 , 13332 , 25472 , 539776 , 23346 , 3327900 , 4591285 , 12104170 , 28087034 , 48208630 , 580563985 , 4194449606 , 1822087489
n×2
777237832
n×3
1165856748
n×4
1554475664
n×5
1943094580
n÷2
194309458
n÷3
129539638.66667
n÷3
97154729
n÷5
77723783.2
n2
151024661873015056
n3
5.8691040386358E+25
n4
2.2808448493859E+34
n5
8.8637945293251E+42
2 √n
19713.419693194
3 √n
729.7509101991
4 √n
140.4044860152
5 √n
52.22816737322
1 , 2 , 4 , 7 , 14 , 28 , 13879247 , 27758494 , 55516988 , 97154729 , 194309458 , 388618916
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-388618915
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 388618916 can be divided by 12 positive divisors.
The sum of these divisors (counting 388618916) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
10111001010011101101010100100
3
Ternary
1000002020212221012
4
Quaternary
113022131222210
5
Quinary
1243441301131
6
Senary
102321241352
8
Octal
2712355244
10
Decimal
388618916
12
Duodecimal
aa193258
16
Hexadecimal
1729daa4
20
Vigesimal
618h75g
36
Base36
6fdg9w
md5
74b7c1f601d0b98bbaf9449177c13cf5
sha1
59616155cf8178f15c1b76c1e9aa019a4cfa8674
sha256
8f3561a54712f8c8e146a29ea367d6d8429ff0ed692640ba71b8e29fc3dbebcd
sha512
72c8183f474062bbbb42084ef131ef7b71debc8f8316b363b4d733de47ae915e5a5bbff4b99f1c8af254ac79c422c938e173d286899f7e073c66a1156fb4a6a9
ripemd-160
2107d04ea6ce75d86b6be2862a0efdd366a5c75e
Diameter
777237832
Circumference
2441764663.1033
Area
4.7445796825115E+17
Volume
2.458444550791E+26
Surface area
1.8978318730046E+18
Circumference
2441764663.1033
Perimeter
1554475664
Area
151024661873015056
Diagonal
549590141.60193
Surface area
906147971238090336
Volume
5.8691040386358E+25
Space diagonal
673107707.29434
Perimeter
1165856748
Area
6.5395596889993E+16
Altitude
336553853.64717
Surface area
6.5395596889993E+16
Volume
6.9168054420145E+24
Height
183196713.86731