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

16421921 (number)

16421921 is an odd 8-digits composite number following 16421920 and preceding 16421922. In scientific notation, it is written as 1.6421921 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 16363200 positive integers (up to 16421921) that are relatively prime to 16421921.

Interesting facts

16421921 has 4 divisors, whose sum is 16480644
The reverse of 16421921 is 12912461
Previous prime number is 281

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8

Name

Name	sixteen million four hundred twenty-one thousand nine hundred twenty-one

Notation

Scientific notation	1.6421921 × 10^7
Engineering notation	1.6421921 × 10^6

Prime Factorization of 16421921

Prime Factorization 281 × 58441

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	16421921	Product of the distinct prime numbers

The prime factorization of 16421921 is 281 × 58441. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 3, 7, 41, 143, 424, 8790, 9260, 4211, 88454, 428333, 916341, 3134856, 2689153, 48864548, 87829519, 99325627, 557660288, 6182489918, 8408126785

Basic calculations (n = 16421921)

Multiplication

n×y

n×2	32843842
n×3	49265763
n×4	65687684
n×5	82109605

Division

n÷y

n÷2	8210960.5
n÷3	5473973.6666667
n÷3	4105480.25
n÷5	3284384.2

Exponentiation

n^y

n²	269679489330241
n³	4.4286552691016E+21
n⁴	7.272702696542E+28
n⁵	1.194317491391E+36

Nth Root

^y√n

²√n	4052.3969450191
³√n	254.17996731734
⁴√n	63.658439699847
⁵√n	27.738616209004

Divisors of 16421921

1, 281, 58441, 16421921

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	-16421920	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 16421921 can be divided by 4 positive divisors. The sum of these divisors (counting 16421921) is 1, the average is 0.25.

Base conversion 16421921

Base	System	Value
2	Binary	111110101001010000100001
3	Ternary	1010220022122022
4	Quaternary	332221100201
5	Quinary	13201000141
6	Senary	1343551225
8	Octal	76512041
10	Decimal	16421921
12	Duodecimal	55bb515
16	Hexadecimal	fa9421
20	Vigesimal	52ceg1
36	Base36	9rz8h

Cryptographic Hash Functions

md5	a5d61c5566fe72ca08589caa14476d15
sha1	8cadd597abc8ab95654e3bc43cd979ad28e295d4
sha256	b5bc2896ce07dea6d403d9f6d28b9d5557ea8db1138862780eebd142db335390
sha512	748493f70b712c0c37c564ff9f9effb7028239bfa55003a40ee9024bb71b284e4d08aaddaf6ecc634573eed03ca78de6fdb2ce3ac28d21a29bde3249ef0aeeaf
ripemd-160	6f8057ebe48e3237fded9c18ae3ea72772930064

16421921 as geometric shapes

Circle

Radius = n

Diameter	32843842
Circumference	103181972.74286
Area	8.4722310250373E+14

Sphere

Radius = n

Volume	1.8550707811588E+22
Surface area	3.3888924100149E+15
Circumference	103181972.74286

Square

Length = n

Perimeter	65687684
Area	269679489330241
Diagonal	23224103.39842

Cube

Length = n

Surface area	1618076935981446
Volume	4.4286552691016E+21
Space diagonal	28443601.529882

Equilateral Triangle

Length = n

Perimeter	49265763
Area	1.167746443198E+14
Altitude	14221800.764941

Triangular Pyramid

Length = n

Surface area	1.167746443198E+14
Volume	5.2192202871987E+20
Height	7741367.7994732