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

21372721 (number)

21372721 is an odd 8-digits composite number following 21372720 and preceding 21372722. In scientific notation, it is written as 2.1372721 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 21079872 positive integers (up to 21372721) that are relatively prime to 21372721.

Interesting facts

21372721 has 4 divisors, whose sum is 21665572
The reverse of 21372721 is 12727312
Previous prime number is 73

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7

Name

Name	twenty-one million three hundred seventy-two thousand seven hundred twenty-one

Notation

Scientific notation	2.1372721 × 10^7
Engineering notation	2.1372721 × 10^6

Prime Factorization of 21372721

Prime Factorization 73 × 292777

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21372721	Product of the distinct prime numbers

The prime factorization of 21372721 is 73 × 292777. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 1, 57, 28, 655, 312, 707, 9605, 54890, 50234, 480928, 687508, 9034576, 5919363, 16082433, 10157347, 268855380, 977746319, 6752792088, 2076183950

Basic calculations (n = 21372721)

Multiplication

n×y

n×2	42745442
n×3	64118163
n×4	85490884
n×5	106863605

Division

n÷y

n÷2	10686360.5
n÷3	7124240.3333333
n÷3	5343180.25
n÷5	4274544.2

Exponentiation

n^y

n²	456793202943841
n³	9.7629136812151E+21
n⁴	2.0866003025569E+29
n⁵	4.4596326105065E+36

Nth Root

^y√n

²√n	4623.0640272443
³√n	277.51509156893
⁴√n	67.993117499084
⁵√n	29.239636097668

Divisors of 21372721

1, 73, 292777, 21372721

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	-21372720	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 21372721 can be divided by 4 positive divisors. The sum of these divisors (counting 21372721) is 1, the average is 0.25.

Base conversion 21372721

Base	System	Value
2	Binary	1010001100001111100110001
3	Ternary	1111012211212021
4	Quaternary	1101201330301
5	Quinary	20432411341
6	Senary	2042031441
8	Octal	121417461
10	Decimal	21372721
12	Duodecimal	71a8581
16	Hexadecimal	1461f31
20	Vigesimal	6dbbg1
36	Base36	cq3ap

Cryptographic Hash Functions

md5	f4e24cf4e1af913e1454e76ebfbd1f1a
sha1	54c95de3acc9440516c1be607eb63ac6ae634fda
sha256	1134ee8884dccabec711070123e459106129543783c9ba0688cc09993acdeb3c
sha512	6792a7dacb30eb3e668d3980ee6bacb756007625ad72bb1dfd670613c55812fc07aba4d1d1504efd0b023246f07adf27667c20800cfdf03d635165cb1e40ac06
ripemd-160	1b76faa24ad874a75fa3bb85886d38ada418226e

21372721 as geometric shapes

Circle

Radius = n

Diameter	42745442
Circumference	134288766.56165
Area	1.4350581705781E+15

Sphere

Radius = n

Volume	4.0894797198049E+22
Surface area	5.7402326823125E+15
Circumference	134288766.56165

Square

Length = n

Perimeter	85490884
Area	456793202943841
Diagonal	30225591.903016

Cube

Length = n

Surface area	2740759217663046
Volume	9.7629136812151E+21
Space diagonal	37018638.667994

Equilateral Triangle

Length = n

Perimeter	64118163
Area	1.9779725901271E+14
Altitude	18509319.333997

Triangular Pyramid

Length = n

Surface area	1.9779725901271E+14
Volume	1.1505704113544E+21
Height	10075197.301005