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

19681491 (number)

19681491 is an odd 8-digits composite number following 19681490 and preceding 19681492. In scientific notation, it is written as 1.9681491 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 12460800 positive integers (up to 19681491) that are relatively prime to 19681491.

Interesting facts

19681491 has 16 divisors, whose sum is 27578880
The reverse of 19681491 is 19418691
Previous prime number is 151

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3

Name

Name	nineteen million six hundred eighty-one thousand four hundred ninety-one

Notation

Scientific notation	1.9681491 × 10^7
Engineering notation	1.9681491 × 10^6

Prime Factorization of 19681491

Prime Factorization 3 × 23 × 151 × 1889

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	19681491	Product of the distinct prime numbers

The prime factorization of 19681491 is 3 × 23 × 151 × 1889. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 4, 41, 19, 104, 313, 3846, 4314, 1080, 90714, 857926, 26406, 5329187, 7432353, 61041467, 6842106, 380757382, 358269448, 9222797858, 3313753247

Basic calculations (n = 19681491)

Multiplication

n×y

n×2	39362982
n×3	59044473
n×4	78725964
n×5	98407455

Division

n÷y

n÷2	9840745.5
n÷3	6560497
n÷3	4920372.75
n÷5	3936298.2

Exponentiation

n^y

n²	387361087983081
n³	7.6238437668892E+21
n⁴	1.5004861248344E+29
n⁵	2.9531804161552E+36

Nth Root

^y√n

²√n	4436.3826480591
³√n	269.99309996084
⁴√n	66.606175750144
⁵√n	28.761504444171

Divisors of 19681491

1, 3, 23, 69, 151, 453, 1889, 3473, 5667, 10419, 43447, 130341, 285239, 855717, 6560497, 19681491

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	-19681490	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 19681491 can be divided by 16 positive divisors. The sum of these divisors (counting 19681491) is 1, the average is 0.0625.

Base conversion 19681491

Base	System	Value
2	Binary	1001011000101000011010011
3	Ternary	1101000220221010
4	Quaternary	1023011003103
5	Quinary	20014301431
6	Senary	1541502003
8	Octal	113050323
10	Decimal	19681491
12	Duodecimal	6711903
16	Hexadecimal	12c50d3
20	Vigesimal	6303eb
36	Base36	bpuc3

Cryptographic Hash Functions

md5	be90d9e072a8acc04c49f1f713e71aa8
sha1	2636ee02f48245f16582fefcb93c3fc6f5081ff0
sha256	fadc1604bd2e39c23b7113b509335d96ed87cd4c539240e08f1bd12283697870
sha512	a8e6ffccb348823df43190f51de5341d6b04b6e382c4824b66bb181c42257899860bbb60c5b45017102a311f78d062292326071c940056ee5b8ec490cef359ec
ripemd-160	ea662bc0f8a0b88298740947e15e7d285049d47e

19681491 as geometric shapes

Circle

Radius = n

Diameter	39362982
Circumference	123662455.07459
Area	1.2169307482942E+15

Sphere

Radius = n

Volume	3.1934682093567E+22
Surface area	4.8677229931768E+15
Circumference	123662455.07459

Square

Length = n

Perimeter	78725964
Area	387361087983081
Diagonal	27833831.499924

Cube

Length = n

Surface area	2324166527898486
Volume	7.6238437668892E+21
Space diagonal	34089342.38071

Equilateral Triangle

Length = n

Perimeter	59044473
Area	1.6773227131546E+14
Altitude	17044671.190355

Triangular Pyramid

Length = n

Surface area	1.6773227131546E+14
Volume	8.9847860437903E+20
Height	9277943.833308