1387661255 is an odd 10-digits composite number following 1387661254
and preceding 1387661256 . In scientific notation, it is written as 1.387661255 × 10^9.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 1110129000 positive integers (up to 1387661255) that are relatively prime to 1387661255.
1387661255 has 4 divisors, whose sum is 1665193512
The reverse of 1387661255 is 5521667831
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 44
Digital Root 8
Name
one billion three hundred eighty-seven million six hundred sixty-one thousand two hundred fifty-five
Scientific notation
1.387661255 × 10^9
Engineering notation
1.387661255 × 10^9
Prime Factorization
5 × 277532251
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1387661255
Product of the distinct prime numbers
The prime factorization of 1387661255 is 5 × 277532251.
Since it has a total of 2 prime factors.
5 , 2 , 29 , 68 , 439 , 17 , 8768 , 2230 , 15941 , 38402 , 784207 , 922210 , 7109958 , 3425399 , 75611335 , 74671126 , 757541827 , 195505006 , 802963625 , 6536240356
n×2
2775322510
n×3
4162983765
n×4
5550645020
n×5
6938306275
n÷2
693830627.5
n÷3
462553751.66667
n÷3
346915313.75
n÷5
277532251
n2
1925603758628175025
n3
2.6720857283307E+27
n4
3.707949835243E+36
n5
5.1453783218503E+45
2 √n
37251.325546885
3 √n
1115.3927591387
4 √n
193.00602463883
5 √n
67.368471281407
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
-1387661254
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 1387661255 can be divided by 4 positive divisors.
The sum of these divisors (counting 1387661255) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010101101100000011111000111
3
Ternary
10120201010111101022
4
Quaternary
1102231200133013
5
Quinary
10320220130010
6
Senary
345410221355
8
Octal
12255403707
10
Decimal
1387661255
12
Duodecimal
32888485b
16
Hexadecimal
52b607c7
20
Vigesimal
11dchd2f
36
Base36
my6e9z
md5
4ddd02337996e6fea2df851c4686e8b5
sha1
33351d9977af55cdf865d24c45d81060b7a4ed27
sha256
05214fc9bd36ecf6702d73f1df8ebb0f92f3fde26505b93b11816b06afe76183
sha512
48a87fb14187854b9fb216cd0193ea55586b8781f994a2a114baa358207d6464b431f3cdfbccf50435810078cded2d100fa9b65795ca72fa5ecc7a25d0a678cd
ripemd-160
eaf5bbd8f0a4890597f4b468bf4c7a06690e94c0
Diameter
2775322510
Circumference
8718932808.7584
Area
6.0494626218312E+18
Volume
1.1192806525181E+28
Surface area
2.4197850487325E+19
Circumference
8718932808.7584
Perimeter
5550645020
Area
1925603758628175025
Diagonal
1962449366.8007
Surface area
1.1553622551769E+19
Volume
2.6720857283307E+27
Space diagonal
2403499797.3548
Perimeter
4162983765
Area
8.338108862974E+17
Altitude
1201749898.6774
Surface area
8.338108862974E+17
Volume
3.1490832306907E+26
Height
654149788.93356