1388428 (number)

1388428 is an even 7-digits composite number following 1388427 and preceding 1388429. In scientific notation, it is written as 1.388428 × 10^6. The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors. There are 671760 positive integers (up to 1388428) that are relatively prime to 1388428.

Interesting facts

Basic properties

Name

Name one million three hundred eighty-eight thousand four hundred twenty-eight

Notation

Scientific notation 1.388428 × 10^6
Engineering notation 1.388428 × 10^6

Prime Factorization of 1388428

Prime Factorization 2 × 2 × 31 × 11197

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 694214
Product of the distinct prime numbers

The prime factorization of 1388428 is 2 × 2 × 31 × 11197. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1388428)

Multiplication

n×y
n×2 2776856
n×3 4165284
n×4 5553712
n×5 6942140

Division

n÷y
n÷2 694214
n÷3 462809.33333333
n÷3 347107
n÷5 277685.6

Exponentiation

ny
n2 1927732311184
n3 2676517517352578752
n4 3.7161518635828E+24
n5 5.1596092996505E+30

Nth Root

y√n
2√n 1178.3157471578
3√n 111.55981561331
4√n 34.326604072611
5√n 16.924064533285

Divisors of 1388428

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 -1388427
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 1388428 can be divided by 12 positive divisors. The sum of these divisors (counting 1388428) is 1, the average is 0.083333333333333.

Base conversion 1388428

Base System Value
2 Binary 101010010111110001100
3 Ternary 2121112120021
4 Quaternary 11102332030
5 Quinary 323412203
6 Senary 45431524
8 Octal 5227614
10 Decimal 1388428
12 Duodecimal 56b5a4
16 Hexadecimal 152f8c
20 Vigesimal 8db18
36 Base36 trbg

Cryptographic Hash Functions

md5 3b716b19d73685605b25e0731a45c997
sha1 6330b0ffa3248d8ceea0af2a5c624f37d5d4e482
sha256 15433ba9695d2cbf96242c9b6fad357eb44ad706d5cb4cdb9fb750feb9fe6464
sha512 7a0eaad7bb21d3aa0b4c866d69ff35c728eb73f31d57a9ab806d6f71643a870c8d709b6a03439d0e100d928c3aeedfb3cb36ca9080afbd170f8f9b853cd5d861
ripemd-160 ed464577271fdfa11c6f8d315c3538d92bec34cf

1388428 as geometric shapes

Circle

Radius = n
Diameter 2776856
Circumference 8723750.4096767
Area 6056149666903.3

Sphere

Radius = n
Volume 1.1211370359626E+19
Surface area 24224598667613
Circumference 8723750.4096767

Square

Length = n
Perimeter 5553712
Area 1927732311184
Diagonal 1963533.7079786

Cube

Length = n
Surface area 11566393867104
Volume 2676517517352578752
Space diagonal 2404827.8386512

Equilateral Triangle

Length = n
Perimeter 4165284
Area 834732576590.72
Altitude 1202413.9193256

Triangular Pyramid

Length = n
Surface area 834732576590.72
Volume 3.154306144141E+17
Height 654511.23599285