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

1991490 (number)

1991490 is an even 7-digits composite number following 1991489 and preceding 1991491. In scientific notation, it is written as 1.991490 × 10^6. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 531056 positive integers (up to 1991490) that are relatively prime to 1991490.

Interesting facts

1991490 has 16 divisors, whose sum is 4779648
The reverse of 1991490 is 0941991
Previous prime number is 5

Basic properties

Is Prime? no
Number parity even
Number length 7
Sum of Digits 33
Digital Root 6

Name

Name	one million nine hundred ninety-one thousand four hundred ninety

Notation

Scientific notation	1.991490 × 10^6
Engineering notation	1.991490 × 10^6

Prime Factorization of 1991490

Prime Factorization 2 × 3 × 5 × 66383

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	1991490	Product of the distinct prime numbers

The prime factorization of 1991490 is 2 × 3 × 5 × 66383. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 4, 18, 50, 757, 208, 5632, 9627, 63321, 41650, 11450, 953377, 9958013, 2809420, 97800249, 53997288, 659320971, 817549326, 4861257428, 9289006691

Basic calculations (n = 1991490)

Multiplication

n×y

n×2	3982980
n×3	5974470
n×4	7965960
n×5	9957450

Division

n÷y

n÷2	995745
n÷3	663830
n÷3	497872.5
n÷5	398298

Exponentiation

n^y

n²	3966032420100
n³	7898313904304949000
n⁴	1.5729413157284E+25
n⁵	3.13249690086E+31

Nth Root

^y√n

²√n	1411.2016156453
³√n	125.81315213193
⁴√n	37.565963526114
⁵√n	18.190122592283

Divisors of 1991490

1, 2, 3, 5, 6, 10, 15, 30, 66383, 132766, 199149, 331915, 398298, 663830, 995745, 1991490

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	-1991489	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 1991490 can be divided by 16 positive divisors. The sum of these divisors (counting 1991490) is 1, the average is 0.0625.

Base conversion 1991490

Base	System	Value
2	Binary	111100110001101000010
3	Ternary	10202011210220
4	Quaternary	13212031002
5	Quinary	1002211430
6	Senary	110403510
8	Octal	7461502
10	Decimal	1991490
12	Duodecimal	800596
16	Hexadecimal	1e6342
20	Vigesimal	c8iea
36	Base36	16on6

Cryptographic Hash Functions

md5	88c2dd873d0b841a8bae2428bd489797
sha1	d7abab51a2410418f42bbee2610a8d3a12f9bcb9
sha256	d3ee0d54805b41aa9a909bda4678f008a61d0353203c1028dc67db0d4bd52b68
sha512	70a4ee341f603583134d70cee3c80fc7b63b48e66b9c35488fb2346a5a4a9d5d9c38c4dad388cc6e5617455f9d82c9761abcbfd45cc726f681246dd89ad14b86
ripemd-160	ba224b6af24aff0bc3c6a250a362077d378a9313

1991490 as geometric shapes

Circle

Radius = n

Diameter	3982980
Circumference	12512900.707395
Area	12459658314885

Sphere

Radius = n

Volume	3.3084379916681E+19
Surface area	49838633259540
Circumference	12512900.707395

Square

Length = n

Perimeter	7965960
Area	3966032420100
Diagonal	2816392.1673304

Cube

Length = n

Surface area	23796194520600
Volume	7898313904304949000
Space diagonal	3449361.8627653

Equilateral Triangle

Length = n

Perimeter	5974470
Area	1717342414019.6
Altitude	1724680.9313827

Triangular Pyramid

Length = n

Surface area	1717342414019.6
Volume	9.30825220279E+17
Height	938797.38911013