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

18872021 (number)

18872021 is an odd 8-digits composite number following 18872020 and preceding 18872022. In scientific notation, it is written as 1.8872021 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 16176012 positive integers (up to 18872021) that are relatively prime to 18872021.

Interesting facts

18872021 has 4 divisors, whose sum is 21568032
The reverse of 18872021 is 12027881
Previous prime number is 7

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2

Name

Name	eighteen million eight hundred seventy-two thousand twenty-one

Notation

Scientific notation	1.8872021 × 10^7
Engineering notation	1.8872021 × 10^6

Prime Factorization of 18872021

Prime Factorization 7 × 2696003

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	18872021	Product of the distinct prime numbers

The prime factorization of 18872021 is 7 × 2696003. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 8, 81, 53, 603, 245, 4120, 2367, 81751, 77957, 996079, 709704, 2083494, 4232717, 96181180, 2165721, 197345661, 915024288, 5188932303, 5647357750

Basic calculations (n = 18872021)

Multiplication

n×y

n×2	37744042
n×3	56616063
n×4	75488084
n×5	94360105

Division

n÷y

n÷2	9436010.5
n÷3	6290673.6666667
n÷3	4718005.25
n÷5	3774404.2

Exponentiation

n^y

n²	356153176624441
n³	6.7213302284732E+21
n⁴	1.2684508521968E+29
n⁵	2.3938231120126E+36

Nth Root

^y√n

²√n	4344.1939413429
³√n	266.23969293051
⁴√n	65.910499477267
⁵√n	28.520929967362

Divisors of 18872021

1, 7, 2696003, 18872021

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	-18872020	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 18872021 can be divided by 4 positive divisors. The sum of these divisors (counting 18872021) is 1, the average is 0.25.

Base conversion 18872021

Base	System	Value
2	Binary	1000111111111011011010101
3	Ternary	1022111210112202
4	Quaternary	1013333123111
5	Quinary	14312401041
6	Senary	1512254245
8	Octal	107773325
10	Decimal	18872021
12	Duodecimal	63a1385
16	Hexadecimal	11ff6d5
20	Vigesimal	5hj011
36	Base36	b8hqt

Cryptographic Hash Functions

md5	49ba025b60c9b1c6eb63c30b41fcbc32
sha1	feae3ed07355365d113c0b7a067cf19aa10c7360
sha256	3b158e2b1652cf7a7eee5d252f304c69d86863e287512ad0b777d0ef8bd8c9c1
sha512	546033c5b2690587397c45ea9db1df237c54f281048173a968d05a6898cfb0a96d14bd4842af0990b75c5a5719f96ed3df310620e19429f52a55be996989eb32
ripemd-160	1b1e8956f0cf66a6642b93dde18501a5a8028e56

18872021 as geometric shapes

Circle

Radius = n

Diameter	37744042
Circumference	118576405.06398
Area	1.118888203236E+15

Sphere

Radius = n

Volume	2.8154242224163E+22
Surface area	4.475552812944E+15
Circumference	118576405.06398

Square

Length = n

Perimeter	75488084
Area	356153176624441
Diagonal	26689068.04759

Cube

Length = n

Surface area	2136919059746646
Volume	6.7213302284732E+21
Space diagonal	32687299.213507

Equilateral Triangle

Length = n

Perimeter	56616063
Area	1.5421884929765E+14
Altitude	16343649.606753

Triangular Pyramid

Length = n

Surface area	1.5421884929765E+14
Volume	7.9211636385792E+20
Height	8896356.0158633