1381918 (number)

1381918 is an even 7-digits composite number following 1381917 and preceding 1381919. In scientific notation, it is written as 1.381918 × 10^6. The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors. There are 667740 positive integers (up to 1381918) that are relatively prime to 1381918.

Interesting facts

Basic properties

Name

Name one million three hundred eighty-one thousand nine hundred eighteen

Notation

Scientific notation 1.381918 × 10^6
Engineering notation 1.381918 × 10^6

Prime Factorization of 1381918

Prime Factorization 2 × 31 × 31 × 719

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 44578
Product of the distinct prime numbers

The prime factorization of 1381918 is 2 × 31 × 31 × 719. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1381918)

Multiplication

n×y
n×2 2763836
n×3 4145754
n×4 5527672
n×5 6909590

Division

n÷y
n÷2 690959
n÷3 460639.33333333
n÷3 345479.5
n÷5 276383.6

Exponentiation

ny
n2 1909697358724
n3 2639045154573152632
n4 3.6469440019174E+24
n5 5.0397775612417E+30

Nth Root

y√n
2√n 1175.5500840032
3√n 111.38518347726
4√n 34.286295862972
5√n 16.908164122453

Divisors of 1381918

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 -1381917
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 1381918 can be divided by 12 positive divisors. The sum of these divisors (counting 1381918) is 1, the average is 0.083333333333333.

Base conversion 1381918

Base System Value
2 Binary 101010001011000011110
3 Ternary 2121012122011
4 Quaternary 11101120132
5 Quinary 323210133
6 Senary 45341434
8 Octal 5213036
10 Decimal 1381918
12 Duodecimal 56787a
16 Hexadecimal 15161e
20 Vigesimal 8cefi
36 Base36 tmam

Cryptographic Hash Functions

md5 3103e13559d7c3c21b50c26ec6e2564c
sha1 04231f2e32ef0d33b0aade159b097ebd16970f56
sha256 0a245f0aeb22f002c805cb56285413e0c89639a0138589603ed4d9c04b2660a3
sha512 0b4628b67de5c1b3e911a21045c1ea68b57d35c4d75706a6f4be0d11ce134e53226cc61bab258d6e7bfa909406a8d238d2743e9849aaf595260448b34cc776e7
ripemd-160 23e451a5c24967ff8ae9d05a0574df40d14643cb

1381918 as geometric shapes

Circle

Radius = n
Diameter 2763836
Circumference 8682846.873327
Area 5999491192747.2

Sphere

Radius = n
Volume 1.1054406493465E+19
Surface area 23997964770989
Circumference 8682846.873327

Square

Length = n
Perimeter 5527672
Area 1909697358724
Diagonal 1954327.1776875

Cube

Length = n
Surface area 11458184152344
Volume 2639045154573152632
Space diagonal 2393552.187894

Equilateral Triangle

Length = n
Perimeter 4145754
Area 826923213097.51
Altitude 1196776.093947

Triangular Pyramid

Length = n
Surface area 826923213097.51
Volume 3.1101445410936E+17
Height 651442.3925625