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

19906721 (number)

19906721 is an odd 8-digits composite number following 19906720 and preceding 19906722. In scientific notation, it is written as 1.9906721 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 19443732 positive integers (up to 19906721) that are relatively prime to 19906721.

Interesting facts

19906721 has 4 divisors, whose sum is 20369712
The reverse of 19906721 is 12760991
Previous prime number is 43

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8

Name

Name	nineteen million nine hundred six thousand seven hundred twenty-one

Notation

Scientific notation	1.9906721 × 10^7
Engineering notation	1.9906721 × 10^6

Prime Factorization of 19906721

Prime Factorization 43 × 462947

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	19906721	Product of the distinct prime numbers

The prime factorization of 19906721 is 43 × 462947. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 3, 11, 7, 300, 783, 8592, 677, 94514, 89413, 545262, 36158, 31803, 6531237, 85345013, 21705094, 99197975, 146977619, 9771452601, 4985946877

Basic calculations (n = 19906721)

Multiplication

n×y

n×2	39813442
n×3	59720163
n×4	79626884
n×5	99533605

Division

n÷y

n÷2	9953360.5
n÷3	6635573.6666667
n÷3	4976680.25
n÷5	3981344.2

Exponentiation

n^y

n²	396277540971841
n³	7.8885864466925E+21
n⁴	1.5703588947869E+29
n⁵	3.1260696388391E+36

Nth Root

^y√n

²√n	4461.6948573384
³√n	271.01910696199
⁴√n	66.795919466225
⁵√n	28.827033044704

Divisors of 19906721

1, 43, 462947, 19906721

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	-19906720	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 19906721 can be divided by 4 positive divisors. The sum of these divisors (counting 19906721) is 1, the average is 0.25.

Base conversion 19906721

Base	System	Value
2	Binary	1001011111100000010100001
3	Ternary	1101110100212222
4	Quaternary	1023330002201
5	Quinary	20044003341
6	Senary	1550400425
8	Octal	113740241
10	Decimal	19906721
12	Duodecimal	6800115
16	Hexadecimal	12fc0a1
20	Vigesimal	6486g1
36	Base36	buo4h

Cryptographic Hash Functions

md5	dc0a2ff0da45e82e5deb87104e7ce8a8
sha1	cacba639a6938628f9767592bf14f5bbb90386c5
sha256	da5f1a676ab2f74fd2d8f456dfd363507bf8e9cd30f90991d0ed72e319afbf3e
sha512	6a81064c3b1c5ca9d10a8ca2a5d73e85781f80dc7f10c7ca19daffcc272b4ccf60b3bb81673a49a1aaab5421374ad321bc02aaf96ed93355dfecc91eca988623
ripemd-160	bad35ac2bf1d45fc0fb0f653b4486cb0918f4ce9

19906721 as geometric shapes

Circle

Radius = n

Diameter	39813442
Circumference	125077616.90132
Area	1.2449426114998E+15

Sphere

Radius = n

Volume	3.3043633637516E+22
Surface area	4.9797704459991E+15
Circumference	125077616.90132

Square

Length = n

Perimeter	79626884
Area	396277540971841
Diagonal	28152354.820577

Cube

Length = n

Surface area	2377665245831046
Volume	7.8885864466925E+21
Space diagonal	34479452.184098

Equilateral Triangle

Length = n

Perimeter	59720163
Area	1.7159320871542E+14
Altitude	17239726.092049

Triangular Pyramid

Length = n

Surface area	1.7159320871542E+14
Volume	9.2967882840543E+20
Height	9384118.2735258