1388398907 is an odd 10-digits composite number following 1388398906
and preceding 1388398908 . In scientific notation, it is written as 1.388398907 × 10^9.
The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors.
There are 1190056200 positive integers (up to 1388398907) that are relatively prime to 1388398907.
1388398907 has 4 divisors, whose sum is 1586741616
The reverse of 1388398907 is 7098938831
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 56
Digital Root 2
Name
one billion three hundred eighty-eight million three hundred ninety-eight thousand nine hundred seven
Scientific notation
1.388398907 × 10^9
Engineering notation
1.388398907 × 10^9
Prime Factorization
7 × 198342701
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1388398907
Product of the distinct prime numbers
The prime factorization of 1388398907 is 7 × 198342701.
Since it has a total of 2 prime factors.
10 , 5 , 61 , 76 , 702 , 942 , 7023 , 19 , 40778 , 11780 , 591564 , 356399 , 7881676 , 8368258 , 38970369 , 90527066 , 276119482 , 736654451 , 98845556 , 294539393
n×2
2776797814
n×3
4165196721
n×4
5553595628
n×5
6941994535
n÷2
694199453.5
n÷3
462799635.66667
n÷3
347099726.75
n÷5
277679781.4
n2
1927651524958794649
n3
2.6763492703297E+27
n4
3.715840401676E+36
n5
5.1590687522734E+45
2 √n
37261.225248239
3 √n
1115.5903640297
4 √n
193.0316690293
5 √n
67.375632095928
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
-1388398906
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 1388398907 can be divided by 4 positive divisors.
The sum of these divisors (counting 1388398907) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010110000010100100100111011
3
Ternary
10120202111222020202
4
Quaternary
1102300110210323
5
Quinary
10320412231112
6
Senary
345434112415
8
Octal
12260244473
10
Decimal
1388398907
12
Duodecimal
328b7b70b
16
Hexadecimal
52c1493b
20
Vigesimal
11dh9h57
36
Base36
mym7gb
md5
509790e4f9f1d208fa6aa5dbd8cf46c6
sha1
ec5636a93289a761a34ef6f50ac690448707006b
sha256
96aab4ad999ff54086c8b5ccd3a2b8557986e8a26b42724101aab605fcb4c81d
sha512
f202413cdd671765b1c008961f73931ca852cc8691a5b8b37b38e49f37256cbb50f11e3fabccce5ecc31eb34e8ce63636c84d2241f1ecc1d8bf8e368ddf7d80b
ripemd-160
16d9b7544092757452bb49499752df68f29450ea
Diameter
2776797814
Circumference
8723567612.9666
Area
6.0558958694917E+18
Volume
1.1210665608144E+28
Surface area
2.4223583477967E+19
Circumference
8723567612.9666
Perimeter
5553595628
Area
1927651524958794649
Diagonal
1963492564.2634
Surface area
1.1565909149753E+19
Volume
2.6763492703297E+27
Space diagonal
2404777448.0971
Perimeter
4165196721
Area
8.3469759512906E+17
Altitude
1202388724.0485
Surface area
8.3469759512906E+17
Volume
3.154107863123E+26
Height
654497521.42113