1388392385 (number)

1388392385 is an odd 10-digits composite number following 1388392384 and preceding 1388392386. In scientific notation, it is written as 1.388392385 × 10^9. The sum of its digits is 50. It has a total of 4 prime factors and 16 positive divisors. There are 1080619008 positive integers (up to 1388392385) that are relatively prime to 1388392385.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.388392385 × 10^9
Engineering notation 1.388392385 × 10^9

Prime Factorization of 1388392385

Prime Factorization 5 × 43 × 257 × 25127

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1388392385
Product of the distinct prime numbers

The prime factorization of 1388392385 is 5 × 43 × 257 × 25127. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 8, 8, 77, 774, 588, 3911, 4896, 87083, 58346, 4417, 266114, 8595172, 4819716, 32465698, 45931194, 943538716, 480448225, 2483180095, 5368969942

Basic calculations (n = 1388392385)

Multiplication

n×y
n×2 2776784770
n×3 4165177155
n×4 5553569540
n×5 6941961925

Division

n÷y
n÷2 694196192.5
n÷3 462797461.66667
n÷3 347098096.25
n÷5 277678477

Exponentiation

ny
n2 1927633414725988225
n3 2.6763115540771E+27
n4 3.7157705815682E+36
n5 5.1589475798563E+45

Nth Root

y√n
2√n 37261.137730885
3√n 1115.5886171994
4√n 193.03144233747
5√n 67.37556879644

Divisors of 1388392385

1, 5, 43, 215, 257, 1285, 11051, 25127, 55255, 125635, 1080461, 5402305, 6457639, 32288195, 277678477, 1388392385

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1388392384
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1388392385 can be divided by 16 positive divisors. The sum of these divisors (counting 1388392385) is 1, the average is 0.0625.

Base conversion 1388392385

Base System Value
2 Binary 1010010110000010010111111000001
3 Ternary 10120202111122022012
4 Quaternary 1102300102333001
5 Quinary 10320412024020
6 Senary 345434022305
8 Octal 12260227701
10 Decimal 1388392385
12 Duodecimal 328b77995
16 Hexadecimal 52c12fc1
20 Vigesimal 11dh90j5
36 Base36 mym2f5

Cryptographic Hash Functions

md5 2f3ce731dc0529d4ab3021225157f2db
sha1 4ce25a39c66456686cfcb849e287757b2cbab256
sha256 82a1e85079c0d395994d6aff760523889937d7386863b8967304fea6da76e284
sha512 2ccb9b6e9366289321f4420dc80ef00d20cc3c65d5e730c6d0cced7fe79f7c68a7bc27203b56f4f3ad09e949f6cbf3bc8718607d3682d55f8265eee69da4eb08
ripemd-160 ebd4d6ae7c593cc0c897bc7e37c2990f223303db

1388392385 as geometric shapes

Circle

Radius = n
Diameter 2776784770
Circumference 8723526634.032
Area 6.0558389745174E+18

Sphere

Radius = n
Volume 1.1210507622675E+28
Surface area 2.4223355898069E+19
Circumference 8723526634.032

Square

Length = n
Perimeter 5553569540
Area 1927633414725988225
Diagonal 1963483340.7625

Cube

Length = n
Surface area 1.1565800488356E+19
Volume 2.6763115540771E+27
Space diagonal 2404766151.6617

Equilateral Triangle

Length = n
Perimeter 4165177155
Area 8.3468975316823E+17
Altitude 1202383075.8309

Triangular Pyramid

Length = n
Surface area 8.3468975316823E+17
Volume 3.1540634140931E+26
Height 654494446.92084