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

1981749 (number)

1981749 is an odd 7-digits composite number following 1981748 and preceding 1981750. In scientific notation, it is written as 1.981749 × 10^6. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 982080 positive integers (up to 1981749) that are relatively prime to 1981749.

Interesting facts

1981749 has 16 divisors, whose sum is 2800512
The reverse of 1981749 is 9471891
Previous prime number is 23

Basic properties

Is Prime? no
Number parity odd
Number length 7
Sum of Digits 39
Digital Root 3

Name

Name	one million nine hundred eighty-one thousand seven hundred forty-nine

Notation

Scientific notation	1.981749 × 10^6
Engineering notation	1.981749 × 10^6

Prime Factorization of 1981749

Prime Factorization 77 × 3 × 23 × 373

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	1981749	Product of the distinct prime numbers

The prime factorization of 1981749 is 77 × 3 × 23 × 373. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 1, 88, 11, 881, 777, 4628, 2385, 33983, 85408, 966120, 70535, 4398291, 2846717, 82041686, 85925323, 736211652, 141607753, 6341203852, 1762392630

Basic calculations (n = 1981749)

Multiplication

n×y

n×2	3963498
n×3	5945247
n×4	7926996
n×5	9908745

Division

n÷y

n÷2	990874.5
n÷3	660583
n÷3	495437.25
n÷5	396349.8

Exponentiation

n^y

n²	3927329099001
n³	7782980514616132749
n⁴	1.542391385186E+25
n⁵	3.056632585201E+31

Nth Root

^y√n

²√n	1407.7460708523
³√n	125.607686285
⁴√n	37.519942308755
⁵√n	18.172292959021

Divisors of 1981749

1, 3, 23, 69, 77, 231, 373, 1119, 1771, 5313, 8579, 25737, 28721, 86163, 660583, 1981749

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	-1981748	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 1981749 can be divided by 16 positive divisors. The sum of these divisors (counting 1981749) is 1, the average is 0.0625.

Base conversion 1981749

Base	System	Value
2	Binary	111100011110100110101
3	Ternary	10201200110010
4	Quaternary	13203310311
5	Quinary	1001403444
6	Senary	110250433
8	Octal	7436465
10	Decimal	1981749
12	Duodecimal	7b6a19
16	Hexadecimal	1e3d35
20	Vigesimal	c7e79
36	Base36	16h4l

Cryptographic Hash Functions

md5	6c3e1aa7bebca0467ec730b0cf482147
sha1	9b81899a7bb757a3e130579c25c62a6f8acf1d1b
sha256	b07c316b616ea4e780bde26480725bbeae17923a90d412f82f16ab141097f9c0
sha512	286c6ef958cff10d4c46c296d8d7fd53bc18a58e8db77a7ca08cf9d97a984ed113f2af0774d146b95701caa3b48313c879bae58d137261588ca87401b50956b9
ripemd-160	78483d80d2901894958897990c78b47edc0ed098

1981749 as geometric shapes

Circle

Radius = n

Diameter	3963498
Circumference	12451696.199318
Area	12338068245651

Sphere

Radius = n

Volume	3.2601272543667E+19
Surface area	49352272982604
Circumference	12451696.199318

Square

Length = n

Perimeter	7926996
Area	3927329099001
Diagonal	2802616.3130193

Cube

Length = n

Surface area	23563974594006
Volume	7782980514616132749
Space diagonal	3432489.9558488

Equilateral Triangle

Length = n

Perimeter	5945247
Area	1700583384378.4
Altitude	1716244.9779244

Triangular Pyramid

Length = n

Surface area	1700583384378.4
Volume	9.1723304995464E+17
Height	934205.43767311