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

19971491 (number)

19971491 is an odd 8-digits composite number following 19971490 and preceding 19971492. In scientific notation, it is written as 1.9971491 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 19962552 positive integers (up to 19971491) that are relatively prime to 19971491.

Interesting facts

19971491 has 4 divisors, whose sum is 19980432
The reverse of 19971491 is 19417991
Previous prime number is 4373

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5

Name

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

Notation

Scientific notation	1.9971491 × 10^7
Engineering notation	1.9971491 × 10^6

Prime Factorization of 19971491

Prime Factorization 4373 × 4567

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	19971491	Product of the distinct prime numbers

The prime factorization of 19971491 is 4373 × 4567. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 6, 18, 95, 802, 619, 8415, 808, 64604, 39841, 576234, 688917, 6516952, 7100313, 73418532, 56118581, 294457771, 12475323, 8946027532, 4652073708

Basic calculations (n = 19971491)

Multiplication

n×y

n×2	39942982
n×3	59914473
n×4	79885964
n×5	99857455

Division

n÷y

n÷2	9985745.5
n÷3	6657163.6666667
n÷3	4992872.75
n÷5	3994298.2

Exponentiation

n^y

n²	398860452763081
n³	7.9658379426138E+21
n⁴	1.5908966077837E+29
n⁵	3.1772577284283E+36

Nth Root

^y√n

²√n	4468.9474152198
³√n	271.31272477513
⁴√n	66.850186351422
⁵√n	28.845767437512

Divisors of 19971491

1, 4373, 4567, 19971491

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-19971490	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19971491 can be divided by 4 positive divisors. The sum of these divisors (counting 19971491) is 1, the average is 0.25.

Base conversion 19971491

Base	System	Value
2	Binary	1001100001011110110100011
3	Ternary	1101120122201212
4	Quaternary	1030023312203
5	Quinary	20103041431
6	Senary	1552020335
8	Octal	114136643
10	Decimal	19971491
12	Duodecimal	68316ab
16	Hexadecimal	130bda3
20	Vigesimal	64g8eb
36	Base36	bw23n

Cryptographic Hash Functions

md5	5fc4a59aaa578ec632e371e74b31ac6f
sha1	5ac9bd481917f7701bb4907ea6c1f0ba8cbf312d
sha256	6b5b669e453d238342207bb571e3f0076ef60bd42b2aa751d2e8ac15a0c02b56
sha512	dcdb091382300f85c1a13cacd8933e9d49307a9a0da870589c0d60f62f7bdcdd08331f3c70433986d686af3bc25ac4b1bcef79a8fefdcf69164d3d20ed434e8c
ripemd-160	9aaad3d84915184d75be1f928babcd872c41946a

19971491 as geometric shapes

Circle

Radius = n

Diameter	39942982
Circumference	125484578.81367
Area	1.253057068208E+15

Sphere

Radius = n

Volume	3.3367223946936E+22
Surface area	5.012228272832E+15
Circumference	125484578.81367

Square

Length = n

Perimeter	79885964
Area	398860452763081
Diagonal	28243953.433012

Cube

Length = n

Surface area	2393162716578486
Volume	7.9658379426138E+21
Space diagonal	34591637.114905

Equilateral Triangle

Length = n

Perimeter	59914473
Area	1.727116423289E+14
Altitude	17295818.557452

Triangular Pyramid

Length = n

Surface area	1.727116423289E+14
Volume	9.3878300450922E+20
Height	9414651.1443374