1388392381 (number)

1388392381 is an odd 10-digits composite number following 1388392380 and preceding 1388392382. In scientific notation, it is written as 1.388392381 × 10^9. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 1343605500 positive integers (up to 1388392381) that are relatively prime to 1388392381.

Interesting facts

Basic properties

Name

Name one billion three hundred eighty-eight million three hundred ninety-two thousand three hundred eighty-one

Notation

Scientific notation 1.388392381 × 10^9
Engineering notation 1.388392381 × 10^9

Prime Factorization of 1388392381

Prime Factorization 31 × 44786851

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1388392381
Product of the distinct prime numbers

The prime factorization of 1388392381 is 31 × 44786851. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 8, 68, 79, 767, 516, 9801, 1382, 96935, 50299, 459157, 263266, 4353361, 2099454, 4745507, 45619205, 767807855, 534113505, 5355324509, 2190680565

Basic calculations (n = 1388392381)

Multiplication

n×y
n×2 2776784762
n×3 4165177143
n×4 5553569524
n×5 6941961905

Division

n÷y
n÷2 694196190.5
n÷3 462797460.33333
n÷3 347098095.25
n÷5 277678476.2

Exponentiation

ny
n2 1927633403618849161
n3 2.6763115309455E+27
n4 3.7157705387472E+36
n5 5.1589475055409E+45

Nth Root

y√n
2√n 37261.13767721
3√n 1115.5886161281
4√n 193.03144219844
5√n 67.375568757618

Divisors of 1388392381

1, 31, 44786851, 1388392381

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 -1388392380
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 1388392381 can be divided by 4 positive divisors. The sum of these divisors (counting 1388392381) is 1, the average is 0.25.

Base conversion 1388392381

Base System Value
2 Binary 1010010110000010010111110111101
3 Ternary 10120202111122022001
4 Quaternary 1102300102332331
5 Quinary 10320412024011
6 Senary 345434022301
8 Octal 12260227675
10 Decimal 1388392381
12 Duodecimal 328b77991
16 Hexadecimal 52c12fbd
20 Vigesimal 11dh90j1
36 Base36 mym2f1

Cryptographic Hash Functions

md5 7a6dcc022c08b9714817f5bfe04809f7
sha1 7dec673fb59a9a3ac5ebf8e469ba44b70242d360
sha256 663abb01819703a72357ccee24c14f212eaaad654fac763d339c37270d3d1ad8
sha512 1885e58bd2088beaded745263a3a655629820c6de9e23fec012908a7051bde8d15b350c0080dabd20b5386f95d45a3d6d10043517e924c52c89ed78508f84414
ripemd-160 b0123d9d30831024393c6e56fb5ae4ce344223a2

1388392381 as geometric shapes

Circle

Radius = n
Diameter 2776784762
Circumference 8723526608.8993
Area 6.0558389396233E+18

Sphere

Radius = n
Volume 1.1210507525781E+28
Surface area 2.4223355758493E+19
Circumference 8723526608.8993

Square

Length = n
Perimeter 5553569524
Area 1927633403618849161
Diagonal 1963483335.1057

Cube

Length = n
Surface area 1.1565800421713E+19
Volume 2.6763115309455E+27
Space diagonal 2404766144.7335

Equilateral Triangle

Length = n
Perimeter 4165177143
Area 8.3468974835869E+17
Altitude 1202383072.3668

Triangular Pyramid

Length = n
Surface area 8.3468974835869E+17
Volume 3.1540633868322E+26
Height 654494445.03522