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

1991489 (number)

1991489 is an odd 7-digits prime number following 1991488 and preceding 1991490. In scientific notation, it is written as 1.991489 × 10^6. The sum of its digits is 41. It has a total of 1 prime factors and 2 positive divisors. There are 1991488 positive integers (up to 1991489) that are relatively prime to 1991489.

Interesting facts

1991489 has 2 divisors, whose sum is 1991490
The reverse of 1991489 is 9841991
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 7
Sum of Digits 41
Digital Root 5

Name

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

Notation

Scientific notation	1.991489 × 10^6
Engineering notation	1.991489 × 10^6

Prime Factorization of 1991489

Prime Factorization 1991489

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	1991489	Product of the distinct prime numbers

The prime factorization of 1991489 is 1991489. Since it has a total of 1 prime factors.

Most popular turbo-numbers

3, 8, 42, 27, 680, 77, 3342, 4569, 95043, 60215, 146748, 251268, 5179471, 799111, 72596312, 76920395, 914624143, 133293258, 422717116, 3587170925

Basic calculations (n = 1991489)

Multiplication

n×y

n×2	3982978
n×3	5974467
n×4	7965956
n×5	9957445

Division

n÷y

n÷2	995744.5
n÷3	663829.66666667
n÷3	497872.25
n÷5	398297.8

Exponentiation

n^y

n²	3966028437121
n³	7898302006213663169
n⁴	1.5729381564052E+25
n⁵	3.1324890361613E+31

Nth Root

^y√n

²√n	1411.2012613373
³√n	125.81313107347
⁴√n	37.565958810302
⁵√n	18.190120765498

Divisors of 1991489

1, 1991489

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	1991490	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	995745	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	1411.2016156453	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999989957268	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1991489 can be divided by 2 positive divisors. The sum of these divisors (counting 1991489) is 1991490, the average is 995745.

Base conversion 1991489

Base	System	Value
2	Binary	111100110001101000001
3	Ternary	10202011210212
4	Quaternary	13212031001
5	Quinary	1002211424
6	Senary	110403505
8	Octal	7461501
10	Decimal	1991489
12	Duodecimal	800595
16	Hexadecimal	1e6341
20	Vigesimal	c8ie9
36	Base36	16on5

Cryptographic Hash Functions

md5	42ec3c5d32c07977d009ce6fee78c551
sha1	b3a7b33ba00430ae7176af827988db452f4a820f
sha256	d13ebd02e9ddfff22f4a0d3a815ebe55a887c2bdf470b4566f607ce779d31d88
sha512	93c04d8a52bbad0350183dd1ead4695304012d0f89e4ba21a70cc0b006cb2a98f8c48b894047470371dc16bfbe2c3870081028fe98b860942a10152325a2b7c4
ripemd-160	6e2376caf38e1a635428a4739fb0ea2a5a87a5b3

1991489 as geometric shapes

Circle

Radius = n

Diameter	3982978
Circumference	12512894.42421
Area	12459645801988

Sphere

Radius = n

Volume	3.3084330078072E+19
Surface area	49838583207950
Circumference	12512894.42421

Square

Length = n

Perimeter	7965956
Area	3966028437121
Diagonal	2816390.7531168

Cube

Length = n

Surface area	23796170622726
Volume	7898302006213663169
Space diagonal	3449360.1307145

Equilateral Triangle

Length = n

Perimeter	5974467
Area	1717340689339.1
Altitude	1724680.0653573

Triangular Pyramid

Length = n

Surface area	1717340689339.1
Volume	9.308238180755E+17
Height	938796.91770561