1388145 (number)

1388145 is an odd 7-digits composite number following 1388144 and preceding 1388146. In scientific notation, it is written as 1.388145 × 10^6. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 655040 positive integers (up to 1388145) that are relatively prime to 1388145.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.388145 × 10^6
Engineering notation 1.388145 × 10^6

Prime Factorization of 1388145

Prime Factorization 55 × 3 × 47 × 179

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1388145
Product of the distinct prime numbers

The prime factorization of 1388145 is 55 × 3 × 47 × 179. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1388145)

Multiplication

n×y
n×2 2776290
n×3 4164435
n×4 5552580
n×5 6940725

Division

n÷y
n÷2 694072.5
n÷3 462715
n÷3 347036.25
n÷5 277629

Exponentiation

ny
n2 1926946541025
n3 2674881206191148625
n4 3.7131229719682E+24
n5 5.1543530879228E+30

Nth Root

y√n
2√n 1178.19565438
3√n 111.55223544036
4√n 34.324854761237
5√n 16.923374558608

Divisors of 1388145

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 -1388144
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 1388145 can be divided by 16 positive divisors. The sum of these divisors (counting 1388145) is 1, the average is 0.0625.

Base conversion 1388145

Base System Value
2 Binary 101010010111001110001
3 Ternary 2121112011210
4 Quaternary 11102321301
5 Quinary 323410040
6 Senary 45430333
8 Octal 5227161
10 Decimal 1388145
12 Duodecimal 56b3a9
16 Hexadecimal 152e71
20 Vigesimal 8da75
36 Base36 tr3l

Cryptographic Hash Functions

md5 efc758fcd0333ed9f10a116ec5a82520
sha1 b4ddbce9cb493d0e0b1af64946b83bd6f4225229
sha256 c2aa0a8d594ee2aba5d13fa88ed87bfb1db130b50a1fdd31a2d1c4e017e63a80
sha512 074f5b1f98c9dd91cbe6e7eb143d5fb56b6e816c1d71e72b4a44584ff947ad8814d74c8d3fc508b3af643a82929baa2e6974ca39413d765139464c15d7784b68
ripemd-160 0d1c2ef4b6d7eae24a70ae61d73f26a12411e14f

1388145 as geometric shapes

Circle

Radius = n
Diameter 2776290
Circumference 8721972.2682348
Area 6053681097144.4

Sphere

Radius = n
Volume 1.1204516195461E+19
Surface area 24214724388578
Circumference 8721972.2682348

Square

Length = n
Perimeter 5552580
Area 1926946541025
Diagonal 1963133.4855404

Cube

Length = n
Surface area 11561679246150
Volume 2674881206191148625
Space diagonal 2404337.6682727

Equilateral Triangle

Length = n
Perimeter 4164435
Area 834392328131.1
Altitude 1202168.8341363

Triangular Pyramid

Length = n
Surface area 834392328131.1
Volume 3.1523777329437E+17
Height 654377.82851347