2215981 (number)

2215981 is an odd 7-digits composite number following 2215980 and preceding 2215982. In scientific notation, it is written as 2.215981 × 10^6. The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors. There are 2054360 positive integers (up to 2215981) that are relatively prime to 2215981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.215981 × 10^6
Engineering notation 2.215981 × 10^6

Prime Factorization of 2215981

Prime Factorization 59 × 71 × 23 × 23

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 96347
Product of the distinct prime numbers

The prime factorization of 2215981 is 59 × 71 × 23 × 23. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 2215981)

Multiplication

n×y
n×2 4431962
n×3 6647943
n×4 8863924
n×5 11079905

Division

n÷y
n÷2 1107990.5
n÷3 738660.33333333
n÷3 553995.25
n÷5 443196.2

Exponentiation

ny
n2 4910571792361
n3 1.0881733791008E+19
n4 2.4113715327932E+25
n5 5.3435535006105E+31

Nth Root

y√n
2√n 1488.6171435262
3√n 130.37330569412
4√n 38.582601565034
5√n 18.582887875525

Divisors of 2215981

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 -2215980
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 2215981 can be divided by 12 positive divisors. The sum of these divisors (counting 2215981) is 1, the average is 0.083333333333333.

Base conversion 2215981

Base System Value
2 Binary 1000011101000000101101
3 Ternary 11011120202101
4 Quaternary 20131000231
5 Quinary 1031402411
6 Senary 115255101
8 Octal 10350055
10 Decimal 2215981
12 Duodecimal 8aa491
16 Hexadecimal 21d02d
20 Vigesimal dgjj1
36 Base36 1bhv1

Cryptographic Hash Functions

md5 c59da4e1dafaf2a72bf6e96fb1325b4a
sha1 85a335207b8c7bde8938678172c4bb0b76e665e7
sha256 1531b1b6060cc228055cffe834250a540286a103b28f099fe49f5f9a488671aa
sha512 bac60ce70bfcc98a5ba8b4ae5362bff9732da02f673f5eba47a1ede206beb314a458c5505b528bdee83615facb4bbf3bcd52a4647cc544135f511e6ad3b3f315
ripemd-160 222fb6dcf3e6d9b44e729d99ae2fb14b62ae5214

2215981 as geometric shapes

Circle

Radius = n
Diameter 4431962
Circumference 13923419.260189
Area 15427016267807

Sphere

Radius = n
Volume 4.5581299914867E+19
Surface area 61708065071226
Circumference 13923419.260189

Square

Length = n
Perimeter 8863924
Area 4910571792361
Diagonal 3133870.3841611

Cube

Length = n
Surface area 29463430754166
Volume 1.0881733791008E+19
Space diagonal 3838191.6806073

Equilateral Triangle

Length = n
Perimeter 6647943
Area 2126339959646
Altitude 1919095.8403036

Triangular Pyramid

Length = n
Surface area 2126339959646
Volume 1.2824246257814E+18
Height 1044623.461387