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

21143721 (number)

21143721 is an odd 8-digits composite number following 21143720 and preceding 21143722. In scientific notation, it is written as 2.1143721 × 10^7. The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors. There are 14095812 positive integers (up to 21143721) that are relatively prime to 21143721.

Interesting facts

21143721 has 4 divisors, whose sum is 28191632
The reverse of 21143721 is 12734112
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3

Name

Name	twenty-one million one hundred forty-three thousand seven hundred twenty-one

Notation

Scientific notation	2.1143721 × 10^7
Engineering notation	2.1143721 × 10^6

Prime Factorization of 21143721

Prime Factorization 3 × 7047907

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21143721	Product of the distinct prime numbers

The prime factorization of 21143721 is 3 × 7047907. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 5, 78, 85, 925, 997, 6742, 5389, 27375, 91788, 13716, 926933, 4131190, 855597, 15403347, 3169822, 677233198, 271131000, 388896411, 7444994821

Basic calculations (n = 21143721)

Multiplication

n×y

n×2	42287442
n×3	63431163
n×4	84574884
n×5	105718605

Division

n÷y

n÷2	10571860.5
n÷3	7047907
n÷3	5285930.25
n÷5	4228744.2

Exponentiation

n^y

n²	447056937725841
n³	9.4524471623896E+21
n⁴	1.9985990556881E+29
n⁵	4.2257820824332E+36

Nth Root

^y√n

²√n	4598.2302030238
³√n	276.52037668643
⁴√n	67.810251459671
⁵√n	29.176707657376

Divisors of 21143721

1, 3, 7047907, 21143721

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	-21143720	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 21143721 can be divided by 4 positive divisors. The sum of these divisors (counting 21143721) is 1, the average is 0.25.

Base conversion 21143721

Base	System	Value
2	Binary	1010000101010000010101001
3	Ternary	1110210012201210
4	Quaternary	1100222002221
5	Quinary	20403044341
6	Senary	2033103333
8	Octal	120520251
10	Decimal	21143721
12	Duodecimal	70b7b49
16	Hexadecimal	142a0a9
20	Vigesimal	6c2j61
36	Base36	cl6ll

Cryptographic Hash Functions

md5	d76c17d5b1715a34cbb89847fae63c34
sha1	b2268f8e6895f4cbdf98d64fb673569ac4dd2550
sha256	192d3509523e42bdf4c642c75bfb321c401ea65ab5f91b6e8a41a1d31e9e04ee
sha512	d450c77c0755a5c16d13a11a2c1ec6b2913d692c9c64847ed44e2ac473ae04e94236bc2d60c96dcae14b38ce6e6278e1cffe28d513f06c75c67a0782c71f75f8
ripemd-160	e88c63cbead15ffdec27026bca788289319d78cb

21143721 as geometric shapes

Circle

Radius = n

Diameter	42287442
Circumference	132849917.1263
Area	1.4044707912959E+15

Sphere

Radius = n

Volume	3.9594318085078E+22
Surface area	5.6178831651834E+15
Circumference	132849917.1263

Square

Length = n

Perimeter	84574884
Area	447056937725841
Diagonal	29901736.997233

Cube

Length = n

Surface area	2682341626355046
Volume	9.4524471623896E+21
Space diagonal	36621999.033061

Equilateral Triangle

Length = n

Perimeter	63431163
Area	1.9358133250433E+14
Altitude	18310999.516531

Triangular Pyramid

Length = n

Surface area	1.9358133250433E+14
Volume	1.1139815812222E+21
Height	9967245.6657443