2218981 (number)

2218981 is an odd 7-digits composite number following 2218980 and preceding 2218982. In scientific notation, it is written as 2.218981 × 10^6. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 2161152 positive integers (up to 2218981) that are relatively prime to 2218981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.218981 × 10^6
Engineering notation 2.218981 × 10^6

Prime Factorization of 2218981

Prime Factorization 113 × 73 × 269

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 2218981
Product of the distinct prime numbers

The prime factorization of 2218981 is 113 × 73 × 269. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 2218981)

Multiplication

n×y
n×2 4437962
n×3 6656943
n×4 8875924
n×5 11094905

Division

n÷y
n÷2 1109490.5
n÷3 739660.33333333
n÷3 554745.25
n÷5 443796.2

Exponentiation

ny
n2 4923876678361
n3 1.0925988795626E+19
n4 2.4244561543707E+25
n5 5.3798221418817E+31

Nth Root

y√n
2√n 1489.624449316
3√n 130.43211238817
4√n 38.595653243805
5√n 18.587916664045

Divisors of 2218981

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -2218980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 2218981 can be divided by 8 positive divisors. The sum of these divisors (counting 2218981) is 1, the average is 0.125.

Base conversion 2218981

Base System Value
2 Binary 1000011101101111100101
3 Ternary 11011201212111
4 Quaternary 20131233211
5 Quinary 1032001411
6 Senary 115321021
8 Octal 10355745
10 Decimal 2218981
12 Duodecimal 8b0171
16 Hexadecimal 21dbe5
20 Vigesimal dh791
36 Base36 1bk6d

Cryptographic Hash Functions

md5 1a593e8a3b85a5d4908db049216dffef
sha1 e0c55c619bb12da9f0491c980130395ac1981734
sha256 53f5e7f3cfe39ad8f9389e235caf0670832088f445297f7f7eeeae7f123a39dc
sha512 56b20f71a55c49dfa39eb9854658bcd94fab565a7d27922264062bce7ce92448e093ed107051e45e967e51b5663be45e02a4bba0ad847e36f73f1b55fa4e2391
ripemd-160 09c4d49d9cda7d8a8d3fe4026aadc2d0d9b79235

2218981 as geometric shapes

Circle

Radius = n
Diameter 4437962
Circumference 13942268.816111
Area 15468814799921

Sphere

Radius = n
Volume 4.5766674844725E+19
Surface area 61875259199684
Circumference 13942268.816111

Square

Length = n
Perimeter 8875924
Area 4923876678361
Diagonal 3138113.0248482

Cube

Length = n
Surface area 29543260070166
Volume 1.0925988795626E+19
Space diagonal 3843387.83303

Equilateral Triangle

Length = n
Perimeter 6656943
Area 2132101144281.2
Altitude 1921693.916515

Triangular Pyramid

Length = n
Surface area 2132101144281.2
Volume 1.2876401280926E+18
Height 1046037.6749494