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

19997491 (number)

19997491 is an odd 8-digits composite number following 19997490 and preceding 19997492. In scientific notation, it is written as 1.9997491 × 10^7. The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors. There are 18821152 positive integers (up to 19997491) that are relatively prime to 19997491.

Interesting facts

19997491 has 4 divisors, whose sum is 21173832
The reverse of 19997491 is 19479991
Previous prime number is 17

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4

Name

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

Notation

Scientific notation	1.9997491 × 10^7
Engineering notation	1.9997491 × 10^6

Prime Factorization of 19997491

Prime Factorization 17 × 1176323

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	19997491	Product of the distinct prime numbers

The prime factorization of 19997491 is 17 × 1176323. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 8, 76, 79, 493, 219, 4166, 9336, 6740, 29669, 760463, 626094, 6970304, 2401151, 20437595, 71078693, 222611017, 397176501, 878879208, 9051055602

Basic calculations (n = 19997491)

Multiplication

n×y

n×2	39994982
n×3	59992473
n×4	79989964
n×5	99987455

Division

n÷y

n÷2	9998745.5
n÷3	6665830.3333333
n÷3	4999372.75
n÷5	3999498.2

Exponentiation

n^y

n²	399899646295081
n³	7.9969895776891E+21
n⁴	1.5991972710693E+29
n⁵	3.1979933035433E+36

Nth Root

^y√n

²√n	4471.8554314736
³√n	271.43041039514
⁴√n	66.871933062187
⁵√n	28.853274135001

Divisors of 19997491

1, 17, 1176323, 19997491

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	-19997490	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 19997491 can be divided by 4 positive divisors. The sum of these divisors (counting 19997491) is 1, the average is 0.25.

Base conversion 19997491

Base	System	Value
2	Binary	1001100010010001100110011
3	Ternary	1101121222101211
4	Quaternary	1030102030303
5	Quinary	20104404431
6	Senary	1552340551
8	Octal	114221463
10	Decimal	19997491
12	Duodecimal	6844757
16	Hexadecimal	1312333
20	Vigesimal	64jdeb
36	Base36	bwm5v

Cryptographic Hash Functions

md5	d9281b92dae1b603a1172d32191b4eb5
sha1	c1d77aa139e36a98e1868f59f5b0f45fd5fe954d
sha256	06536f45b5b10dd73332518544e1ac812ef9e0a70411fbfd143005772f90decd
sha512	8d1ed11dc3d6886131408ef08cadda54182bd0c25d58c228262267a65323a0ff28fa9ea3322e6d6b233e2eef48b2e21ae26f2de0af7789083df34fb5b474fc52
ripemd-160	6d35ad8d60df42042b4c6f95df90389a447bac1a

19997491 as geometric shapes

Circle

Radius = n

Diameter	39994982
Circumference	125647941.63166
Area	1.2563217909738E+15

Sphere

Radius = n

Volume	3.3497711610803E+22
Surface area	5.0252871638951E+15
Circumference	125647941.63166

Square

Length = n

Perimeter	79989964
Area	399899646295081
Diagonal	28280722.985634

Cube

Length = n

Surface area	2399397877770486
Volume	7.9969895776891E+21
Space diagonal	34636670.435901

Equilateral Triangle

Length = n

Perimeter	59992473
Area	1.7316162632798E+14
Altitude	17318335.217951

Triangular Pyramid

Length = n

Surface area	1.7316162632798E+14
Volume	9.4245425991035E+20
Height	9426907.661878