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

21403721 (number)

21403721 is an odd 8-digits prime number following 21403720 and preceding 21403722. In scientific notation, it is written as 2.1403721 × 10^7. The sum of its digits is 20. It has a total of 1 prime factors and 2 positive divisors. There are 21403720 positive integers (up to 21403721) that are relatively prime to 21403721.

Interesting facts

21403721 has 2 divisors, whose sum is 21403722
The reverse of 21403721 is 12730412
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2

Name

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

Notation

Scientific notation	2.1403721 × 10^7
Engineering notation	2.1403721 × 10^6

Prime Factorization of 21403721

Prime Factorization 21403721

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	21403721	Product of the distinct prime numbers

The prime factorization of 21403721 is 21403721. Since it has a total of 1 prime factors.

Most popular turbo-numbers

1, 6, 36, 72, 16, 857, 5017, 4465, 53834, 87988, 28194, 334239, 1352349, 9525162, 7398357, 17800294, 201800437, 712077854, 9657478505, 2309280210

Basic calculations (n = 21403721)

Multiplication

n×y

n×2	42807442
n×3	64211163
n×4	85614884
n×5	107018605

Division

n÷y

n÷2	10701860.5
n÷3	7134573.6666667
n÷3	5350930.25
n÷5	4280744.2

Exponentiation

n^y

n²	458119272645841
n³	9.8054570964345E+21
n⁴	2.0987326796955E+29
n⁵	4.4920688729786E+36

Nth Root

^y√n

²√n	4626.4155671535
³√n	277.64920039866
⁴√n	68.017759204148
⁵√n	29.248113289557

Divisors of 21403721

1, 21403721

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	21403722	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10701861	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4626.4156752285	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999065583	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21403721 can be divided by 2 positive divisors. The sum of these divisors (counting 21403721) is 21403722, the average is 10701861.

Base conversion 21403721

Base	System	Value
2	Binary	1010001101001100001001001
3	Ternary	1111021102101102
4	Quaternary	1101221201021
5	Quinary	20434404341
6	Senary	2042431145
8	Octal	121514111
10	Decimal	21403721
12	Duodecimal	72024b5
16	Hexadecimal	1469849
20	Vigesimal	6df961
36	Base36	cqr7t

Cryptographic Hash Functions

md5	ececdf7ecb50bd79bec7b8f94b1ec684
sha1	a4e82c632eadab58a630076a9498fb54ec86b2b7
sha256	fd506f612ff222760052603f7159953fa628a71c744d2d4c23a8ae159951d1ee
sha512	4d5fa6434afb7447df9dc9a48f8ccb99f92812ea32bffc5629cdce78e698d35addff962900d590cbd83c7c239861103b776a8416cc650143a2eed9c3a160bfb3
ripemd-160	e9ae852cb255c7b70d20bc69da987169ad1394a5

21403721 as geometric shapes

Circle

Radius = n

Diameter	42807442
Circumference	134483545.30617
Area	1.4392241414121E+15

Sphere

Radius = n

Volume	4.1073002638998E+22
Surface area	5.7568965656483E+15
Circumference	134483545.30617

Square

Length = n

Perimeter	85614884
Area	458119272645841
Diagonal	30269432.52345

Cube

Length = n

Surface area	2748715635875046
Volume	9.8054570964345E+21
Space diagonal	37072332.243029

Equilateral Triangle

Length = n

Perimeter	64211163
Area	1.9837146403727E+14
Altitude	18536166.121514

Triangular Pyramid

Length = n

Surface area	1.9837146403727E+14
Volume	1.1555842009204E+21
Height	10089810.84115