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

19981390 (number)

19981390 is an even 8-digits composite number following 19981389 and preceding 19981391. In scientific notation, it is written as 1.9981390 × 10^7. The sum of its digits is 40. It has a total of 5 prime factors and 32 positive divisors. There are 6589440 positive integers (up to 19981390) that are relatively prime to 19981390.

Interesting facts

19981390 has 32 divisors, whose sum is 33445440
The reverse of 19981390 is 09318991
Previous prime number is 13

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4

Name

Name	nineteen million nine hundred eighty-one thousand three hundred ninety

Notation

Scientific notation	1.9981390 × 10^7
Engineering notation	1.9981390 × 10^6

Prime Factorization of 19981390

Prime Factorization 2 × 55 × 89 × 13 × 157

Composite number

ω	Distinct Factors	5	Total number of distinct prime factors
Ω	Total Factors	5	Total number of prime factors
rad	Radical	19981390	Product of the distinct prime numbers

The prime factorization of 19981390 is 2 × 55 × 89 × 13 × 157. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 5, 62, 59, 697, 396, 8625, 7310, 24056, 17787, 3996, 452693, 1373945, 1627757, 98369836, 81358395, 218810645, 284156535, 7779913893, 4068349688

Basic calculations (n = 19981390)

Multiplication

n×y

n×2	39962780
n×3	59944170
n×4	79925560
n×5	99906950

Division

n÷y

n÷2	9990695
n÷3	6660463.3333333
n÷3	4995347.5
n÷5	3996278

Exponentiation

n^y

n²	399255946332100
n³	7.9776887734808E+21
n⁴	1.5940531068154E+29
n⁵	3.185139680799E+36

Nth Root

^y√n

²√n	4470.0548095074
³√n	271.35754334597
⁴√n	66.858468495078
⁵√n	28.848626389365

Divisors of 19981390

1, 2, 13, 26, 55, 89, 110, 157, 178, 314, 715, 1157, 1430, 2041, 2314, 4082, 4895, 8635, 9790, 13973, 17270, 27946, 63635, 112255, 127270, 181649, 224510, 363298, 768515, 1537030, 9990695, 19981390

32 divisors

τ	Total Divisors	32	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-19981389	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.03125	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	32	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19981390 can be divided by 32 positive divisors. The sum of these divisors (counting 19981390) is 1, the average is 0.03125.

Base conversion 19981390

Base	System	Value
2	Binary	1001100001110010001001110
3	Ternary	1101121011022111
4	Quaternary	1030032101032
5	Quinary	20103401030
6	Senary	1552134234
8	Octal	114162116
10	Decimal	19981390
12	Duodecimal	683737a
16	Hexadecimal	130e44e
20	Vigesimal	64hd9a
36	Base36	bw9qm

Cryptographic Hash Functions

md5	e83dccf080ff41e721ec1c66e71b008e
sha1	eef4f61ff23d094c2f887eaad7781c2141fa1362
sha256	cc90231b7470737c8251c3ceb9314da670154f7abdd3997d748d8f653b7e70e4
sha512	a08c8d4b344378e5abc0da873f143838561e807bee45755e0c3dc6689e5ee98ddad225c38fdcac6a66c679659af3efe4b4c8b29bf0031c6bd6945f5f5e77f559
ripemd-160	dc777d1738978da8d8cfd514f17ee14e1e1578aa

19981390 as geometric shapes

Circle

Radius = n

Diameter	39962780
Circumference	125546776.06503
Area	1.254299547899E+15

Sphere

Radius = n

Volume	3.3416864591191E+22
Surface area	5.0171981915959E+15
Circumference	125546776.06503

Square

Length = n

Perimeter	79925560
Area	399255946332100
Diagonal	28257952.733066

Cube

Length = n

Surface area	2395535677992600
Volume	7.9776887734808E+21
Space diagonal	34608782.685849

Equilateral Triangle

Length = n

Perimeter	59944170
Area	1.728828960678E+14
Altitude	17304391.342924

Triangular Pyramid

Length = n

Surface area	1.728828960678E+14
Volume	9.4017963832067E+20
Height	9419317.5776887