1388821331 is an odd 10-digits composite number following 1388821330
and preceding 1388821332 . In scientific notation, it is written as 1.388821331 × 10^9.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 1354947600 positive integers (up to 1388821331) that are relatively prime to 1388821331.
1388821331 has 4 divisors, whose sum is 1422695064
The reverse of 1388821331 is 1331288831
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 38
Digital Root 2
Name
one billion three hundred eighty-eight million eight hundred twenty-one thousand three hundred thirty-one
Scientific notation
1.388821331 × 10^9
Engineering notation
1.388821331 × 10^9
Prime Factorization
41 × 33873691
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1388821331
Product of the distinct prime numbers
The prime factorization of 1388821331 is 41 × 33873691.
Since it has a total of 2 prime factors.
9 , 9 , 17 , 32 , 805 , 956 , 3246 , 487 , 50448 , 37674 , 353160 , 191168 , 3639534 , 5915223 , 45425630 , 60452121 , 80932999 , 956553718 , 278703491 , 8448884954
n×2
2777642662
n×3
4166463993
n×4
5555285324
n×5
6944106655
n÷2
694410665.5
n÷3
462940443.66667
n÷3
347205332.75
n÷5
277764266.2
n2
1928824689440611561
n3
2.6787928724546E+27
n4
3.7203646825957E+36
n5
5.1669218302879E+45
2 √n
37266.893229782
3 √n
1115.7034929862
4 √n
193.04634995198
5 √n
67.379731439533
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1388821330
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1388821331 can be divided by 4 positive divisors.
The sum of these divisors (counting 1388821331) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010110001111011101101010011
3
Ternary
10120210022102201002
4
Quaternary
1102301323231103
5
Quinary
10321014240311
6
Senary
345451132215
8
Octal
12261735523
10
Decimal
1388821331
12
Duodecimal
32914406b
16
Hexadecimal
52c7bb53
20
Vigesimal
11e02d6b
36
Base36
myv9eb
md5
44981f2835f8fa691b75fe8ac7577b32
sha1
67b53cc72d2a0fd601854b125039b071f1ea348f
sha256
c1782bbbf1f329409e79cfcec8b6fc9a1d44e5fc448cc48999bd227bc49cb4d8
sha512
8b5553c48726edee517eb65f4f26c7ce9ddc90a80446151bedd461dd18de099b6798be5547febdb1e8bf89317ffec82dba68813f629f5743669aa1798f00a168
ripemd-160
b65f67ca6a70eab5164b992e3759a6ad1873c048
Diameter
2777642662
Circumference
8726221781.2368
Area
6.0595814744092E+18
Volume
1.1220901344789E+28
Surface area
2.4238325897637E+19
Circumference
8726221781.2368
Perimeter
5555285324
Area
1928824689440611561
Diagonal
1964089962.0133
Surface area
1.1572948136644E+19
Volume
2.6787928724546E+27
Space diagonal
2405509107.9274
Perimeter
4166463993
Area
8.352055902511E+17
Altitude
1202754553.9637
Surface area
8.352055902511E+17
Volume
3.1569876758447E+26
Height
654696654.00442