1387388621 (number)

1387388621 is an odd 10-digits composite number following 1387388620 and preceding 1387388622. In scientific notation, it is written as 1.387388621 × 10^9. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 1373652000 positive integers (up to 1387388621) that are relatively prime to 1387388621.

Interesting facts

Basic properties

Name

Name one billion three hundred eighty-seven million three hundred eighty-eight thousand six hundred twenty-one

Notation

Scientific notation 1.387388621 × 10^9
Engineering notation 1.387388621 × 10^9

Prime Factorization of 1387388621

Prime Factorization 101 × 13736521

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1387388621
Product of the distinct prime numbers

The prime factorization of 1387388621 is 101 × 13736521. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1387388621)

Multiplication

n×y
n×2 2774777242
n×3 4162165863
n×4 5549554484
n×5 6936943105

Division

n÷y
n÷2 693694310.5
n÷3 462462873.66667
n÷3 346847155.25
n÷5 277477724.2

Exponentiation

ny
n2 1924847185680281641
n3 2.6705110825767E+27
n4 3.7050366882213E+36
n5 5.1403257416258E+45

Nth Root

y√n
2√n 37247.665980568
3√n 1115.3197072307
4√n 192.99654396017
5√n 67.36582389476

Divisors of 1387388621

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 -1387388620
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 1387388621 can be divided by 4 positive divisors. The sum of these divisors (counting 1387388621) is 1, the average is 0.25.

Base conversion 1387388621

Base System Value
2 Binary 1010010101100011101111011001101
3 Ternary 10120200121122101202
4 Quaternary 1102230131323031
5 Quinary 10320132413441
6 Senary 345400315245
8 Octal 12254357315
10 Decimal 1387388621
12 Duodecimal 328772b25
16 Hexadecimal 52b1decd
20 Vigesimal 11db3bb1
36 Base36 my0jwt

Cryptographic Hash Functions

md5 88fc0af9e5be025b09248c7edc2b73cd
sha1 73ad22fec6f84de8921ca1a6e0cec20a3e52a603
sha256 8a2500d90a1c904e03d33cf59b1eb9aee8b74a6bc6155334ce141ba8385b2cf4
sha512 439cb7cf353fb336128c2db58296ef3d2d3483b639be7c672f23c40785268ff4861d88dc74de337e6820dddbdc1eaccc2d18bc393e74967b742043f9de522dc5
ripemd-160 d3953236fad44bd58bfacb94bcedca353b79ff69

1387388621 as geometric shapes

Circle

Radius = n
Diameter 2774777242
Circumference 8717219798.8153
Area 6.0470857778162E+18

Sphere

Radius = n
Volume 1.1186210664471E+28
Surface area 2.4188343111265E+19
Circumference 8717219798.8153

Square

Length = n
Perimeter 5549554484
Area 1924847185680281641
Diagonal 1962063804.1003

Cube

Length = n
Surface area 1.1549083114082E+19
Volume 2.6705110825767E+27
Space diagonal 2403027581.4149

Equilateral Triangle

Length = n
Perimeter 4162165863
Area 8.3348328060105E+17
Altitude 1201513790.7075

Triangular Pyramid

Length = n
Surface area 8.3348328060105E+17
Volume 3.147227492873E+26
Height 654021268.03344