1388385 (number)

1388385 is an odd 7-digits composite number following 1388384 and preceding 1388386. In scientific notation, it is written as 1.388385 × 10^6. The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors. There are 740448 positive integers (up to 1388385) that are relatively prime to 1388385.

Interesting facts

Basic properties

Name

Name one million three hundred eighty-eight thousand three hundred eighty-five

Notation

Scientific notation 1.388385 × 10^6
Engineering notation 1.388385 × 10^6

Prime Factorization of 1388385

Prime Factorization 3 × 3 × 5 × 30853

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 462795
Product of the distinct prime numbers

The prime factorization of 1388385 is 3 × 3 × 5 × 30853. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 9, 54, 31, 372, 636, 9340, 4753, 21004, 5592, 680559, 664761, 9419698, 6630094, 60882413, 90932916, 662694816, 267348863, 7463586332, 8862159583

Basic calculations (n = 1388385)

Multiplication

n×y
n×2 2776770
n×3 4165155
n×4 5553540
n×5 6941925

Division

n÷y
n÷2 694192.5
n÷3 462795
n÷3 347096.25
n÷5 277677

Exponentiation

ny
n2 1927612908225
n3 2676268847585966625
n4 3.7156915239556E+24
n5 5.1588103764872E+30

Nth Root

y√n
2√n 1178.2975006339
3√n 111.55866392195
4√n 34.326338293413
5√n 16.923959703393

Divisors of 1388385

1, 3, 5, 9, 15, 45, 30853, 92559, 154265, 277677, 462795, 1388385

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1388384
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1388385 can be divided by 12 positive divisors. The sum of these divisors (counting 1388385) is 1, the average is 0.083333333333333.

Base conversion 1388385

Base System Value
2 Binary 101010010111101100001
3 Ternary 2121112111200
4 Quaternary 11102331201
5 Quinary 323412020
6 Senary 45431413
8 Octal 5227541
10 Decimal 1388385
12 Duodecimal 56b569
16 Hexadecimal 152f61
20 Vigesimal 8daj5
36 Base36 tra9

Cryptographic Hash Functions

md5 69b9aa802e1a0eb67e64b54fe9f06298
sha1 0586911c8fe66a95927cd112a5523b4f668091c9
sha256 68aa0e572bd3be74415399633a00d3e88c04eda57dc0d6c1fbfa429bbb39119d
sha512 fadba152e0b437a80df4ad03fc3aabea2516ee656606d9d0b490873a4a9eebe271ad72fc5864bc92ae519c461597ce14ddc32994cdc981a5b7ae411ea4c9fea7
ripemd-160 effef5650d3371f285f8baff8d7c5897707153e9

1388385 as geometric shapes

Circle

Radius = n
Diameter 2776770
Circumference 8723480.2327085
Area 6055774551444.5

Sphere

Radius = n
Volume 1.1210328734143E+19
Surface area 24223098205778
Circumference 8723480.2327085

Square

Length = n
Perimeter 5553540
Area 1927612908225
Diagonal 1963472.8967954

Cube

Length = n
Surface area 11565677449350
Volume 2676268847585966625
Space diagonal 2404753.3604665

Equilateral Triangle

Length = n
Perimeter 4165155
Area 834680873592.83
Altitude 1202376.6802333

Triangular Pyramid

Length = n
Surface area 834680873592.83
Volume 3.1540130840106E+17
Height 654490.96559846