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

19997681 (number)

19997681 is an odd 8-digits composite number following 19997680 and preceding 19997682. In scientific notation, it is written as 1.9997681 × 10^7. The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors. There are 18137520 positive integers (up to 19997681) that are relatively prime to 19997681.

Interesting facts

19997681 has 8 divisors, whose sum is 21866304
The reverse of 19997681 is 18679991
Previous prime number is 487

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5

Name

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

Notation

Scientific notation	1.9997681 × 10^7
Engineering notation	1.9997681 × 10^6

Prime Factorization of 19997681

Prime Factorization 11 × 487 × 3733

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	19997681	Product of the distinct prime numbers

The prime factorization of 19997681 is 11 × 487 × 3733. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 7, 82, 23, 381, 999, 2656, 1482, 97300, 4320, 622832, 453270, 4747149, 520525, 41329970, 2286441, 547404153, 969213637, 9023087193, 8433480455

Basic calculations (n = 19997681)

Multiplication

n×y

n×2	39995362
n×3	59993043
n×4	79990724
n×5	99988405

Division

n÷y

n÷2	9998840.5
n÷3	6665893.6666667
n÷3	4999420.25
n÷5	3999536.2

Exponentiation

n^y

n²	399907245377761
n³	7.9972175226532E+21
n⁴	1.5992580490563E+29
n⁵	3.198145230171E+36

Nth Root

^y√n

²√n	4471.8766754015
³√n	271.43127002989
⁴√n	66.872091902389
⁵√n	28.853328962892

Divisors of 19997681

1, 11, 487, 3733, 5357, 41063, 1817971, 19997681

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-19997680	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19997681 can be divided by 8 positive divisors. The sum of these divisors (counting 19997681) is 1, the average is 0.125.

Base conversion 19997681

Base	System	Value
2	Binary	1001100010010001111110001
3	Ternary	1101121222122212
4	Quaternary	1030102033301
5	Quinary	20104411211
6	Senary	1552341505
8	Octal	114221761
10	Decimal	19997681
12	Duodecimal	6844895
16	Hexadecimal	13123f1
20	Vigesimal	64je41
36	Base36	bwmb5

Cryptographic Hash Functions

md5	d9116737ef0bc706cf905b238140e01c
sha1	f75991bc25bada9c678390ae91c6462cadba46cd
sha256	45e2f3621072d0ace5c5b69474983a63f970a835ce7ddcd3c8aeff7456b134ca
sha512	cde227bf6f85073c6c501d82bbd900119545e0e1f9eb28d82328a6f302e1976baf94734281596b238528f9280c62d3ceb418856858767438e3dafbc0cc61a461
ripemd-160	652d5e6fa8e8edf41cd8b640ba327e7bab418828

19997681 as geometric shapes

Circle

Radius = n

Diameter	39995362
Circumference	125649135.43686
Area	1.2563456641961E+15

Sphere

Radius = n

Volume	3.3498666424436E+22
Surface area	5.0253826567844E+15
Circumference	125649135.43686

Square

Length = n

Perimeter	79990724
Area	399907245377761
Diagonal	28280991.686211

Cube

Length = n

Surface area	2399443472266566
Volume	7.9972175226532E+21
Space diagonal	34636999.525555

Equilateral Triangle

Length = n

Perimeter	59993043
Area	1.731649168273E+14
Altitude	17318499.762777

Triangular Pyramid

Length = n

Surface area	1.731649168273E+14
Volume	9.4248112348199E+20
Height	9426997.2287369