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

21498891 (number)

21498891 is an odd 8-digits composite number following 21498890 and preceding 21498892. In scientific notation, it is written as 2.1498891 × 10^7. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 14332592 positive integers (up to 21498891) that are relatively prime to 21498891.

Interesting facts

21498891 has 4 divisors, whose sum is 28665192
The reverse of 21498891 is 19889412
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6

Name

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

Notation

Scientific notation	2.1498891 × 10^7
Engineering notation	2.1498891 × 10^6

Prime Factorization of 21498891

Prime Factorization 3 × 7166297

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21498891	Product of the distinct prime numbers

The prime factorization of 21498891 is 3 × 7166297. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 8, 6, 16, 784, 486, 1227, 5482, 88035, 36303, 580688, 507701, 4387773, 9272293, 12039726, 14384911, 95911817, 639586245, 4035814, 4296049846

Basic calculations (n = 21498891)

Multiplication

n×y

n×2	42997782
n×3	64496673
n×4	85995564
n×5	107494455

Division

n÷y

n÷2	10749445.5
n÷3	7166297
n÷3	5374722.75
n÷5	4299778.2

Exponentiation

n^y

n²	462202314229881
n³	9.936837173576E+21
n⁴	2.1363097927946E+29
n⁵	4.5928291377523E+36

Nth Root

^y√n

²√n	4636.6896596602
³√n	278.06010725221
⁴√n	68.093242393502
⁵√n	29.274077049641

Divisors of 21498891

1, 3, 7166297, 21498891

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	-21498890	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 21498891 can be divided by 4 positive divisors. The sum of these divisors (counting 21498891) is 1, the average is 0.25.

Base conversion 21498891

Base	System	Value
2	Binary	1010010000000110000001011
3	Ternary	1111110020221020
4	Quaternary	1102000300023
5	Quinary	21000431031
6	Senary	2044443523
8	Octal	122006013
10	Decimal	21498891
12	Duodecimal	72495a3
16	Hexadecimal	1480c0b
20	Vigesimal	6e774b
36	Base36	cssnf

Cryptographic Hash Functions

md5	55523dca624f05182e361b5fa1535fb7
sha1	8b0c964bca9614f914bf28eaa0d71656d2576a28
sha256	93e39c67841fa5cd96bd6b3e3af26fa2fe6bb81da3fc33b2df1857d183b889c2
sha512	8bac9417263e4e0e162ecce47ff2d680d6bb91d663149977c64b4f89d360112969e6f903078e8d429c9f3dde51a004b2febb47153c86a44fd3eff754426ba308
ripemd-160	1b8d139d2ccd3c042420a0672f2a38a18bca40bf

21498891 as geometric shapes

Circle

Radius = n

Diameter	42997782
Circumference	135081516.05186
Area	1.4520513948568E+15

Sphere

Radius = n

Volume	4.1623326219232E+22
Surface area	5.8082055794272E+15
Circumference	135081516.05186

Square

Length = n

Perimeter	85995564
Area	462202314229881
Diagonal	30404023.228181

Cube

Length = n

Surface area	2773213885379286
Volume	9.936837173576E+21
Space diagonal	37237171.518385

Equilateral Triangle

Length = n

Perimeter	64496673
Area	2.0013947290552E+14
Altitude	18618585.759193

Triangular Pyramid

Length = n

Surface area	2.0013947290552E+14
Volume	1.171067491497E+21
Height	10134674.409394