1387686905 (number)

1387686905 is an odd 10-digits composite number following 1387686904 and preceding 1387686906. In scientific notation, it is written as 1.387686905 × 10^9. The sum of its digits is 53. It has a total of 3 prime factors and 8 positive divisors. There are 1009226800 positive integers (up to 1387686905) that are relatively prime to 1387686905.

Interesting facts

Basic properties

Name

Name one billion three hundred eighty-seven million six hundred eighty-six thousand nine hundred five

Notation

Scientific notation 1.387686905 × 10^9
Engineering notation 1.387686905 × 10^9

Prime Factorization of 1387686905

Prime Factorization 11 × 5 × 25230671

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1387686905
Product of the distinct prime numbers

The prime factorization of 1387686905 is 11 × 5 × 25230671. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 3, 48, 93, 720, 753, 4593, 9186, 35306, 39554, 676422, 329450, 2897652, 2679912, 9832353, 78518940, 575415426, 611242301, 7042603082, 1209575585

Basic calculations (n = 1387686905)

Multiplication

n×y
n×2 2775373810
n×3 4163060715
n×4 5550747620
n×5 6938434525

Division

n÷y
n÷2 693843452.5
n÷3 462562301.66667
n÷3 346921726.25
n÷5 277537381

Exponentiation

ny
n2 1925674946308479025
n3 2.6722339062789E+27
n4 3.7082239988402E+36
n5 5.1458538839972E+45

Nth Root

y√n
2√n 37251.669828345
3√n 1115.3996315287
4√n 193.00691652981
5√n 67.368720331888

Divisors of 1387686905

1, 5, 11, 55, 25230671, 126153355, 277537381, 1387686905

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1387686904
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1387686905 can be divided by 8 positive divisors. The sum of these divisors (counting 1387686905) is 1, the average is 0.125.

Base conversion 1387686905

Base System Value
2 Binary 1010010101101100110101111111001
3 Ternary 10120201011210120022
4 Quaternary 1102231212233321
5 Quinary 10320221440110
6 Senary 345410540225
8 Octal 12255465771
10 Decimal 1387686905
12 Duodecimal 328897675
16 Hexadecimal 52b66bf9
20 Vigesimal 11dd0h55
36 Base36 my6y2h

Cryptographic Hash Functions

md5 d1362bea764fca2ac43115e86dd2396e
sha1 9b1420e0f9441c8252c7bea2e9a69148b38e66e0
sha256 98a83b7cd3ae311cbca682699e795423b92fa3130cb562e61d9b5bf9ffdce9ee
sha512 6f65e35c1e4463ff86c1130eddeac51fdc6d42f60e95b68eb7f121a79f8d6ea2b87d14f6b64d10f6a931e47043aa8414a9cea849376a92c931b2c31c3b510b38
ripemd-160 3e45b67fe9b5b8eedb193adc18faaddace08bec6

1387686905 as geometric shapes

Circle

Radius = n
Diameter 2775373810
Circumference 8719093972.4615
Area 6.0496862645246E+18

Sphere

Radius = n
Volume 1.1193427211519E+28
Surface area 2.4198745058099E+19
Circumference 8719093972.4615

Square

Length = n
Perimeter 5550747620
Area 1925674946308479025
Diagonal 1962485641.3785

Cube

Length = n
Surface area 1.1554049677851E+19
Volume 2.6722339062789E+27
Space diagonal 2403544224.458

Equilateral Triangle

Length = n
Perimeter 4163060715
Area 8.3384171146719E+17
Altitude 1201772112.229

Triangular Pyramid

Length = n
Surface area 8.3384171146719E+17
Volume 3.1492578600773E+26
Height 654161880.45951