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

19998921 (number)

19998921 is an odd 8-digits composite number following 19998920 and preceding 19998922. In scientific notation, it is written as 1.9998921 × 10^7. The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors. There are 13304480 positive integers (up to 19998921) that are relatively prime to 19998921.

Interesting facts

19998921 has 8 divisors, whose sum is 26721504
The reverse of 19998921 is 12989991
Previous prime number is 491

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3

Name

Name	nineteen million nine hundred ninety-eight thousand nine hundred twenty-one

Notation

Scientific notation	1.9998921 × 10^7
Engineering notation	1.9998921 × 10^6

Prime Factorization of 19998921

Prime Factorization 3 × 491 × 13577

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	19998921	Product of the distinct prime numbers

The prime factorization of 19998921 is 3 × 491 × 13577. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 5, 37, 9, 2, 846, 3978, 2582, 47310, 66228, 290248, 187703, 4303879, 1820800, 84173472, 17739766, 852849263, 229371096, 3340758023, 6230513171

Basic calculations (n = 19998921)

Multiplication

n×y

n×2	39997842
n×3	59996763
n×4	79995684
n×5	99994605

Division

n÷y

n÷2	9999460.5
n÷3	6666307
n÷3	4999730.25
n÷5	3999784.2

Exponentiation

n^y

n²	399956841164241
n³	7.9987052698532E+21
n⁴	1.5996547479408E+29
n⁵	3.1991368931343E+36

Nth Root

^y√n

²√n	4472.0153175051
³√n	271.43688014402
⁴√n	66.873128515907
⁵√n	28.853686776786

Divisors of 19998921

1, 3, 491, 1473, 13577, 40731, 6666307, 19998921

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	-19998920	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 19998921 can be divided by 8 positive divisors. The sum of these divisors (counting 19998921) is 1, the average is 0.125.

Base conversion 19998921

Base	System	Value
2	Binary	1001100010010100011001001
3	Ternary	1101122001100210
4	Quaternary	1030102203021
5	Quinary	20104431141
6	Senary	1552351333
8	Octal	114224311
10	Decimal	19998921
12	Duodecimal	6845549
16	Hexadecimal	13128c9
20	Vigesimal	64jh61
36	Base36	bwn9l

Cryptographic Hash Functions

md5	a70c46b8dca13472f08ec7eb360f56d9
sha1	a02327776e1d802a2c83f1b885f9d238970128b0
sha256	1bf9da1a02415747fc53826a0cabcf1e1f466a7edd19c1687e4f83b211e89a9b
sha512	49dd16ab1b8aafc8d684e7ce495268f58deff5d0d0924a4f7559d1934ac7c6113f3fa1c3a1e17fc8e6e339021757c70547b9acfe8eec7667b1c61792e7e5e4cf
ripemd-160	33c4060f6909a348266c54b09dd652957d3d681f

19998921 as geometric shapes

Circle

Radius = n

Diameter	39997842
Circumference	125656926.58665
Area	1.2565014739546E+15

Sphere

Radius = n

Volume	3.3504898285334E+22
Surface area	5.0260058958182E+15
Circumference	125656926.58665

Square

Length = n

Perimeter	79995684
Area	399956841164241
Diagonal	28282745.311028

Cube

Length = n

Surface area	2399741046985446
Volume	7.9987052698532E+21
Space diagonal	34639147.268556

Equilateral Triangle

Length = n

Perimeter	59996763
Area	1.7318639243281E+14
Altitude	17319573.634278

Triangular Pyramid

Length = n

Surface area	1.7318639243281E+14
Volume	9.4265645617096E+20
Height	9427581.7703427