1388266987 is an odd 10-digits prime number following 1388266986
and preceding 1388266988 . In scientific notation, it is written as 1.388266987 × 10^9.
The sum of its digits is 58. It has a total of 1 prime factors and 2 positive divisors.
There are 1388266986 positive integers (up to 1388266987) that are relatively prime to 1388266987.
1388266987 has 2 divisors, whose sum is 1388266988
The reverse of 1388266987 is 7896628831
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 10
Sum of Digits 58
Digital Root 4
Name
one billion three hundred eighty-eight million two hundred sixty-six thousand nine hundred eighty-seven
Scientific notation
1.388266987 × 10^9
Engineering notation
1.388266987 × 10^9
Prime Factorization
1388266987
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
1388266987
Product of the distinct prime numbers
The prime factorization of 1388266987 is 1388266987.
Since it has a total of 1 prime factors.
3 , 4 , 39 , 88 , 195 , 879 , 4306 , 3543 , 57215 , 10819 , 685018 , 937505 , 8754417 , 7223645 , 62694008 , 53332501 , 57336325 , 184053006 , 2857653279 , 1569805420
n×2
2776533974
n×3
4164800961
n×4
5553067948
n×5
6941334935
n÷2
694133493.5
n÷3
462755662.33333
n÷3
347066746.75
n÷5
277653397.4
n2
1927285227194058169
n3
2.6755864554463E+27
n4
3.7144283469605E+36
n5
5.1566182496622E+45
2 √n
37259.455001382
3 √n
1115.5550299622
4 √n
193.02708359549
5 √n
67.374351695725
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
1388266988
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
694133494
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
37259.455014801
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999985594
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1388266987 can be divided by 2 positive divisors.
The sum of these divisors (counting 1388266987) is 1388266988, the average is 694133494.
Base
System
Value
2
Binary
1010010101111110100010111101011
3
Ternary
10120202021021021211
4
Quaternary
1102233310113223
5
Quinary
10320344020422
6
Senary
345431213551
8
Octal
12257642753
10
Decimal
1388266987
12
Duodecimal
328b172b7
16
Hexadecimal
52bf45eb
20
Vigesimal
11dgd797
36
Base36
myjdnv
md5
94b2a60ef5fa292540986815bd7544b2
sha1
799503886289ec3ca838ec4224efcb8410383933
sha256
5c4d314b52ef5398a31a74fc30002a619337e2e80022b53bf1b0d145c27f5875
sha512
94c733888edeb149bbd521807936d4ad7571b86c2b331bb3dc0e9b4aaf94dbf11dcd488277cb0c7ff017ed12ddedd63774b36545503bc5aeac46dd1911fde493
ripemd-160
35151646752ea1933a0c86bb5af8475ae1aa7d0e
Diameter
2776533974
Circumference
8722738735.1609
Area
6.054745111125E+18
Volume
1.1207470336633E+28
Surface area
2.42189804445E+19
Circumference
8722738735.1609
Perimeter
5553067948
Area
1927285227194058169
Diagonal
1963306001.2102
Surface area
1.1563711363164E+19
Volume
2.6755864554463E+27
Space diagonal
2404548955.9546
Perimeter
4164800961
Area
8.3453898354426E+17
Altitude
1202274477.9773
Surface area
8.3453898354426E+17
Volume
3.1532088771616E+26
Height
654435333.73674