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

1991431 (number)

1991431 is an odd 7-digits composite number following 1991430 and preceding 1991432. In scientific notation, it is written as 1.991431 × 10^6. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 1729920 positive integers (up to 1991431) that are relatively prime to 1991431.

Interesting facts

1991431 has 8 divisors, whose sum is 2271024
The reverse of 1991431 is 1341991
Previous prime number is 13

Basic properties

Is Prime? no
Number parity odd
Number length 7
Sum of Digits 28
Digital Root 1

Name

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

Notation

Scientific notation	1.991431 × 10^6
Engineering notation	1.991431 × 10^6

Prime Factorization of 1991431

Prime Factorization 17 × 13 × 9011

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	1991431	Product of the distinct prime numbers

The prime factorization of 1991431 is 17 × 13 × 9011. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 3, 90, 82, 720, 805, 4734, 9813, 35993, 89291, 182071, 459451, 8981450, 6747440, 46993185, 91678837, 160383622, 505220478, 6984091852, 3534756492

Basic calculations (n = 1991431)

Multiplication

n×y

n×2	3982862
n×3	5974293
n×4	7965724
n×5	9957155

Division

n÷y

n÷2	995715.5
n÷3	663810.33333333
n÷3	497857.75
n÷5	398286.2

Exponentiation

n^y

n²	3965797427761
n³	7897611937363515991
n⁴	1.5727549238036E+25
n⁵	3.1320329106651E+31

Nth Root

^y√n

²√n	1411.1807113194
³√n	125.81190967038
⁴√n	37.565685290161
⁵√n	18.190014810677

Divisors of 1991431

1, 13, 17, 221, 9011, 117143, 153187, 1991431

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	-1991430	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 1991431 can be divided by 8 positive divisors. The sum of these divisors (counting 1991431) is 1, the average is 0.125.

Base conversion 1991431

Base	System	Value
2	Binary	111100110001100000111
3	Ternary	10202011201201
4	Quaternary	13212030013
5	Quinary	1002211211
6	Senary	110403331
8	Octal	7461407
10	Decimal	1991431
12	Duodecimal	800547
16	Hexadecimal	1e6307
20	Vigesimal	c8ibb
36	Base36	16olj

Cryptographic Hash Functions

md5	dbd382898b52b08a8198283d2d21536c
sha1	1089a4097381ddc9ebf0f008d70cbf8eb37ecd9e
sha256	9de875adb9de9d2823bd515ab37d58fb526dcb63fedd393c223514d90bb495a2
sha512	4b6084f94c658297cc6e554dcd7fad68b06e153d1dcf689c39968fcb1d5cc23c124c84440c0f0f09d6dbb023b8d8a7cc793ebda25bce6d9006eb82c9fff3ecb5
ripemd-160	6279ced5ab0d1bab0426d0ac9a1c21642eb30f17

1991431 as geometric shapes

Circle

Radius = n

Diameter	3982862
Circumference	12512529.999462
Area	12458920064679

Sphere

Radius = n

Volume	3.3081439524432E+19
Surface area	49835680258717
Circumference	12512529.999462

Square

Length = n

Perimeter	7965724
Area	3965797427761
Diagonal	2816308.7287302

Cube

Length = n

Surface area	23794784566566
Volume	7897611937363515991
Space diagonal	3449259.6717677

Equilateral Triangle

Length = n

Perimeter	5974293
Area	1717240659352
Altitude	1724629.8358838

Triangular Pyramid

Length = n

Surface area	1717240659352
Volume	9.307424926816E+17
Height	938769.57624341