388680988 is an even 9-digits composite number following 388680987
and preceding 388680989 . In scientific notation, it is written as 3.88680988 × 10^8.
The sum of its digits is 58. It has a total of 3 prime factors and 6 positive divisors.
There are 194340492 positive integers (up to 388680988) that are relatively prime to 388680988.
388680988 has 6 divisors, whose sum is 680191736
The reverse of 388680988 is 889086883
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 58
Digital Root 4
Name
three hundred eighty-eight million six hundred eighty thousand nine hundred eighty-eight
Scientific notation
3.88680988 × 10^8
Engineering notation
3.88680988 × 10^6
Prime Factorization
2 × 2 × 97170247
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
194340494
Product of the distinct prime numbers
The prime factorization of 388680988 is 2 × 2 × 97170247.
Since it has a total of 3 prime factors.
1 , 3 , 88 , 67 , 467 , 987 , 9520 , 8853 , 46664 , 23644 , 878521 , 315913 , 2209625 , 7674325 , 42156896 , 67176976 , 976950177 , 32511856 , 4668382760 , 7938232531
n×2
777361976
n×3
1166042964
n×4
1554723952
n×5
1943404940
n÷2
194340494
n÷3
129560329.33333
n÷3
97170247
n÷5
77736197.6
n2
151072910432656144
n3
5.8719168087E+25
n4
2.2823024266593E+34
n5
8.8708756210875E+42
2 √n
19714.993989347
3 √n
729.78976118753
4 √n
140.41009219193
5 √n
52.229835691239
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-388680987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 388680988 can be divided by 6 positive divisors.
The sum of these divisors (counting 388680988) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
10111001010101100110100011100
3
Ternary
1000002101001002011
4
Quaternary
113022230310130
5
Quinary
1244000242423
6
Senary
102322441004
8
Octal
2712546434
10
Decimal
388680988
12
Duodecimal
aa203164
16
Hexadecimal
172acd1c
20
Vigesimal
6195298
36
Base36
6fes64
md5
4993636d66dd811fbbc1bf707c59ca19
sha1
f9a590b178d6094fb7342c4e75fa124edbc0e220
sha256
c4a4e053ec4c6265e54a7b1a1f93dce718ab91ab465e753b946d96bab03d2465
sha512
f8be092873cd41bd1188632693175fc1dcc17514f36b8f70f9a0edf742cc838df874d8dc0652eaf5ecf62e143189d599a05f73f082afbe74fcd5b17a97388902
ripemd-160
24134bb85d4b898bd9537b13a6701c414708460d
Diameter
777361976
Circumference
2442154672.9816
Area
4.7460954557166E+17
Volume
2.4596227611603E+26
Surface area
1.8984381822866E+18
Circumference
2442154672.9816
Perimeter
1554723952
Area
151072910432656144
Diagonal
549677924.66617
Surface area
906437462595936864
Volume
5.8719168087E+25
Space diagonal
673215219.15207
Perimeter
1166042964
Area
6.5416489129166E+16
Altitude
336607609.57603
Surface area
6.5416489129166E+16
Volume
6.9201203233251E+24
Height
183225974.88872