Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

2801981 (number)

2801981 is an odd 7-digits composite number following 2801980 and preceding 2801982. In scientific notation, it is written as 2.801981 × 10^6. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 2160000 positive integers (up to 2801981) that are relatively prime to 2801981.

Interesting facts

2801981 has 8 divisors, whose sum is 3212544
The reverse of 2801981 is 1891082
Previous prime number is 533

Basic properties

Is Prime? no
Number parity odd
Number length 7
Sum of Digits 29
Digital Root 2

Name

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

Notation

Scientific notation	2.801981 × 10^6
Engineering notation	2.801981 × 10^6

Prime Factorization of 2801981

Prime Factorization 7 × 533 × 751

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	2801981	Product of the distinct prime numbers

The prime factorization of 2801981 is 7 × 533 × 751. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 9, 33, 35, 255, 898, 5655, 278, 52969, 95954, 555057, 532172, 7834403, 2708461, 55168737, 1339370, 515121048, 676832596, 2159683894, 4007254079

Basic calculations (n = 2801981)

Multiplication

n×y

n×2	5603962
n×3	8405943
n×4	11207924
n×5	14009905

Division

n÷y

n÷2	1400990.5
n÷3	933993.66666667
n÷3	700495.25
n÷5	560396.2

Exponentiation

n^y

n²	7851097524361
n³	2.1998626092407E+19
n⁴	6.1639732337027E+25
n⁵	1.7271335885344E+32

Nth Root

^y√n

²√n	1673.9118853751
³√n	140.97920656435
⁴√n	40.913468263826
⁵√n	19.475698254371

Divisors of 2801981

1, 7, 533, 751, 3731, 5257, 400283, 2801981

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	-2801980	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 2801981 can be divided by 8 positive divisors. The sum of these divisors (counting 2801981) is 1, the average is 0.125.

Base conversion 2801981

Base	System	Value
2	Binary	1010101100000100111101
3	Ternary	12021100121002
4	Quaternary	22230010331
5	Quinary	1204130411
6	Senary	140020045
8	Octal	12540475
10	Decimal	2801981
12	Duodecimal	b31625
16	Hexadecimal	2ac13d
20	Vigesimal	ha4j1
36	Base36	1o20t

Cryptographic Hash Functions

md5	be46aa80e93ac84f755eb42b970ff875
sha1	9f9045dfa33f27153e6abb221ee70e512a16f71c
sha256	987dfc1c491e9605ad5cbb719218e1ef662966691df394dcb7e812ce03e0a487
sha512	4343ad7425e438b4d0fc1f4344496fd1dc7186515e1aa702f72ef6e80ab4ce7d23f1659ad636e196b0113f150aa6cc5c85da858b1be22ad94b10cc24aa47b52d
ripemd-160	c06f71d1ab10258fe6e9c7523b9e8b5c10583301

2801981 as geometric shapes

Circle

Radius = n

Diameter	5603962
Circumference	17605365.850196
Area	24664950305150

Sphere

Radius = n

Volume	9.2147629494631E+19
Surface area	98659801220598
Circumference	17605365.850196

Square

Length = n

Perimeter	11207924
Area	7851097524361
Diagonal	3962599.5317117

Cube

Length = n

Surface area	47106585146166
Volume	2.1998626092407E+19
Space diagonal	4853173.4538427

Equilateral Triangle

Length = n

Perimeter	8405943
Area	3399624951842.9
Altitude	2426586.7269213

Triangular Pyramid

Length = n

Surface area	3399624951842.9
Volume	2.592562947788E+18
Height	1320866.5105706