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

19981694 (number)

19981694 is an even 8-digits composite number following 19981693 and preceding 19981695. In scientific notation, it is written as 1.9981694 × 10^7. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 9990846 positive integers (up to 19981694) that are relatively prime to 19981694.

Interesting facts

19981694 has 4 divisors, whose sum is 29972544
The reverse of 19981694 is 49618991
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2

Name

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

Notation

Scientific notation	1.9981694 × 10^7
Engineering notation	1.9981694 × 10^6

Prime Factorization of 19981694

Prime Factorization 2 × 9990847

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	19981694	Product of the distinct prime numbers

The prime factorization of 19981694 is 2 × 9990847. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 6, 75, 52, 256, 446, 1514, 4455, 7525, 73499, 158868, 724624, 7370487, 5451503, 60698010, 26893861, 805018005, 977623656, 3295038167, 6264326888

Basic calculations (n = 19981694)

Multiplication

n×y

n×2	39963388
n×3	59945082
n×4	79926776
n×5	99908470

Division

n÷y

n÷2	9990847
n÷3	6660564.6666667
n÷3	4995423.5
n÷5	3996338.8

Exponentiation

n^y

n²	399268095109636
n³	7.9780529004436E+21
n⁴	1.5941501177248E+29
n⁵	3.185381984244E+36

Nth Root

^y√n

²√n	4470.0888134354
³√n	271.35891949772
⁴√n	66.858722792433
⁵√n	28.848714170335

Divisors of 19981694

1, 2, 9990847, 19981694

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	-19981693	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 19981694 can be divided by 4 positive divisors. The sum of these divisors (counting 19981694) is 1, the average is 0.25.

Base conversion 19981694

Base	System	Value
2	Binary	1001100001110010101111110
3	Ternary	1101121011201202
4	Quaternary	1030032111332
5	Quinary	20103403234
6	Senary	1552135502
8	Octal	114162576
10	Decimal	19981694
12	Duodecimal	6837592
16	Hexadecimal	130e57e
20	Vigesimal	64he4e
36	Base36	bw9z2

Cryptographic Hash Functions

md5	1c3c237dd9031ed963cb5848c1cd5612
sha1	02fcc3ce8896b1de0c114973a468040a68569718
sha256	aba0a47f863868b549862c54e61e5fc8f5546d3b3a170469ffc937484a40c73b
sha512	eab34678a696da1f4a910382b81f604df3f0aea1e779c502fcf3249e5321eb0aa2b7fe3d1e3457e7da4738f5762c67cbaca048e83c091d020b7dcb349d29dfa2
ripemd-160	4ddcce8687f37cc2aa7fbbec1c99cf5369cadab2

19981694 as geometric shapes

Circle

Radius = n

Diameter	39963388
Circumference	125548686.15336
Area	1.2543377144092E+15

Sphere

Radius = n

Volume	3.3418389842646E+22
Surface area	5.0173508576369E+15
Circumference	125548686.15336

Square

Length = n

Perimeter	79926776
Area	399268095109636
Diagonal	28258382.653989

Cube

Length = n

Surface area	2395608570657816
Volume	7.9780529004436E+21
Space diagonal	34609309.229294

Equilateral Triangle

Length = n

Perimeter	59945082
Area	1.7288815664278E+14
Altitude	17304654.614647

Triangular Pyramid

Length = n

Surface area	1.7288815664278E+14
Volume	9.4022255109478E+20
Height	9419460.884663