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

21851421 (number)

21851421 is an odd 8-digits composite number following 21851420 and preceding 21851422. In scientific notation, it is written as 2.1851421 × 10^7. The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors. There are 14567612 positive integers (up to 21851421) that are relatively prime to 21851421.

Interesting facts

21851421 has 4 divisors, whose sum is 29135232
The reverse of 21851421 is 12415812
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6

Name

Name	twenty-one million eight hundred fifty-one thousand four hundred twenty-one

Notation

Scientific notation	2.1851421 × 10^7
Engineering notation	2.1851421 × 10^6

Prime Factorization of 21851421

Prime Factorization 3 × 7283807

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21851421	Product of the distinct prime numbers

The prime factorization of 21851421 is 3 × 7283807. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 4, 92, 29, 306, 268, 9035, 6790, 64151, 50139, 977, 256740, 1424285, 6804648, 91426248, 88592152, 559424048, 806251361, 1915543180, 2959612135

Basic calculations (n = 21851421)

Multiplication

n×y

n×2	43702842
n×3	65554263
n×4	87405684
n×5	109257105

Division

n÷y

n÷2	10925710.5
n÷3	7283807
n÷3	5462855.25
n÷5	4370284.2

Exponentiation

n^y

n²	477484599719241
n³	1.0433717009482E+22
n⁴	2.2799154296904E+29
n⁵	4.9819391898562E+36

Nth Root

^y√n

²√n	4674.5503527077
³√n	279.57171342633
⁴√n	68.370683430164
⁵√n	29.369458337983

Divisors of 21851421

1, 3, 7283807, 21851421

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	-21851420	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 21851421 can be divided by 4 positive divisors. The sum of these divisors (counting 21851421) is 1, the average is 0.25.

Base conversion 21851421

Base	System	Value
2	Binary	1010011010110110100011101
3	Ternary	1112010011111220
4	Quaternary	1103112310131
5	Quinary	21043221141
6	Senary	2100203553
8	Octal	123266435
10	Decimal	21851421
12	Duodecimal	73995b9
16	Hexadecimal	14d6d1d
20	Vigesimal	6gb8b1
36	Base36	d0cnx

Cryptographic Hash Functions

md5	3660f48ba9dd3764360cd07f8eb61f48
sha1	6d659547ff37607a28b232fdd6890b6b58b87242
sha256	3898d542b936a450dc42ce297931f0f730962799d1d421072a542134bf1137d8
sha512	9aa45ef60cb076ed95ccb06b2846e0960f0e76cf196d0e7c838f539fc230d942223f22158107c854fd67c414daa176698f7465b6ab8dae00071db44f5ae74bc4
ripemd-160	cf6a7f97873211886d0d1e333611a6cebb645b0f

21851421 as geometric shapes

Circle

Radius = n

Diameter	43702842
Circumference	137296527.3682
Area	1.5000621106802E+15

Sphere

Radius = n

Volume	4.370465160883E+22
Surface area	6.0002484427209E+15
Circumference	137296527.3682

Square

Length = n

Perimeter	87405684
Area	477484599719241
Diagonal	30902575.935324

Cube

Length = n

Surface area	2864907598315446
Volume	1.0433717009482E+22
Space diagonal	37847771.389578

Equilateral Triangle

Length = n

Perimeter	65554263
Area	2.0675689663635E+14
Altitude	18923885.694789

Triangular Pyramid

Length = n

Surface area	2.0675689663635E+14
Volume	1.229625341731E+21
Height	10300858.645108