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

21138055 (number)

21138055 is an odd 8-digits composite number following 21138054 and preceding 21138056. In scientific notation, it is written as 2.1138055 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 15915648 positive integers (up to 21138055) that are relatively prime to 21138055.

Interesting facts

21138055 has 4 divisors, whose sum is 21386824
The reverse of 21138055 is 55083112
Previous prime number is 85

Basic properties

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

Name

Name	twenty-one million one hundred thirty-eight thousand fifty-five

Notation

Scientific notation	2.1138055 × 10^7
Engineering notation	2.1138055 × 10^6

Prime Factorization of 21138055

Prime Factorization 85 × 248683

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21138055	Product of the distinct prime numbers

The prime factorization of 21138055 is 85 × 248683. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 9, 63, 39, 549, 901, 9452, 3375, 24926, 48803, 353873, 110821, 1403697, 4485342, 80960539, 31573240, 592994369, 447002168, 1988379534, 368199734

Basic calculations (n = 21138055)

Multiplication

n×y

n×2	42276110
n×3	63414165
n×4	84552220
n×5	105690275

Division

n÷y

n÷2	10569027.5
n÷3	7046018.3333333
n÷3	5284513.75
n÷5	4227611

Exponentiation

n^y

n²	446817369183025
n³	9.4448501247461E+21
n⁴	1.9964576140364E+29
n⁵	4.220123085067E+36

Nth Root

^y√n

²√n	4597.6140551377
³√n	276.49567424756
⁴√n	67.805708130936
⁵√n	29.175143760949

Divisors of 21138055

1, 85, 248683, 21138055

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	-21138054	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 21138055 can be divided by 4 positive divisors. The sum of these divisors (counting 21138055) is 1, the average is 0.25.

Base conversion 21138055

Base	System	Value
2	Binary	1010000101000101010000111
3	Ternary	1110202220221221
4	Quaternary	1100220222013
5	Quinary	20402404210
6	Senary	2033021211
8	Octal	120505207
10	Decimal	21138055
12	Duodecimal	70b4807
16	Hexadecimal	1428a87
20	Vigesimal	6c252f
36	Base36	cl287

Cryptographic Hash Functions

md5	22f81f464fbf7e1d06b907c5e9ba4fa4
sha1	4168bd690445c34d227b1af78d12f8e9c4d221e4
sha256	6dd9ad9e678dc9f7a92d0b204be895638f50d74b4b736a8f6d8feada061c1e37
sha512	5e6ead9c2f8161abf9af10a3d474655421b044cd67c97c566a3d8dc7206a85ff21566a667ae9686e239e6e64d1f47dce444ce239b8410301f0c44207a9190dae
ripemd-160	984f22268eb1b24f753acd118fa5a2a0a689b290

21138055 as geometric shapes

Circle

Radius = n

Diameter	42276110
Circumference	132814316.59835
Area	1.4037181645217E+15

Sphere

Radius = n

Volume	3.9562495688212E+22
Surface area	5.6148726580868E+15
Circumference	132814316.59835

Square

Length = n

Perimeter	84552220
Area	446817369183025
Diagonal	29893724.063188

Cube

Length = n

Surface area	2680904215098150
Volume	9.4448501247461E+21
Space diagonal	36612185.233185

Equilateral Triangle

Length = n

Perimeter	63414165
Area	1.9347759628231E+14
Altitude	18306092.616593

Triangular Pyramid

Length = n

Surface area	1.9347759628231E+14
Volume	1.1130862617498E+21
Height	9964574.6877295