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

21031555 (number)

21031555 is an odd 8-digits composite number following 21031554 and preceding 21031556. In scientific notation, it is written as 2.1031555 × 10^7. The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors. There are 16701888 positive integers (up to 21031555) that are relatively prime to 21031555.

Interesting facts

21031555 has 8 divisors, whose sum is 25422912
The reverse of 21031555 is 55513012
Previous prime number is 137

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4

Name

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

Notation

Scientific notation	2.1031555 × 10^7
Engineering notation	2.1031555 × 10^6

Prime Factorization of 21031555

Prime Factorization 5 × 137 × 30703

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21031555	Product of the distinct prime numbers

The prime factorization of 21031555 is 5 × 137 × 30703. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 2, 24, 80, 472, 672, 3259, 9800, 65052, 27064, 111079, 142556, 3619161, 9099050, 78016302, 94400044, 58029447, 430465437, 6375761262, 31463919

Basic calculations (n = 21031555)

Multiplication

n×y

n×2	42063110
n×3	63094665
n×4	84126220
n×5	105157775

Division

n÷y

n÷2	10515777.5
n÷3	7010518.3333333
n÷3	5257888.75
n÷5	4206311

Exponentiation

n^y

n²	442326305718025
n³	9.3028100266555E+21
n⁴	1.9565256073016E+29
n⁵	4.1148775918871E+36

Nth Root

^y√n

²√n	4586.0173353357
³√n	276.03053554894
⁴√n	67.720139805938
⁵√n	29.145685670103

Divisors of 21031555

1, 5, 137, 685, 30703, 153515, 4206311, 21031555

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21031554	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21031555 can be divided by 8 positive divisors. The sum of these divisors (counting 21031555) is 1, the average is 0.125.

Base conversion 21031555

Base	System	Value
2	Binary	1010000001110101010000011
3	Ternary	1110120111212111
4	Quaternary	1100032222003
5	Quinary	20341002210
6	Senary	2030440151
8	Octal	120165203
10	Decimal	21031555
12	Duodecimal	7063057
16	Hexadecimal	140ea83
20	Vigesimal	6b8ihf
36	Base36	cis1v

Cryptographic Hash Functions

md5	cca161e74da1cf28aa705cd5be05ad2f
sha1	272d2c524e82a13804790ead27bdb703309fe6f1
sha256	5dd7955274d7b2fbf09c4a935ad148f4a3e74f9d9901e16ae6a2cef629eb8d31
sha512	72a92bb54360f689e90822a57c33fc7ecbcf4675582b36d697ab429d1eb218d596df7e7566178483c95e8d8be9e102a93b9d25b4d10bcee60574e3efa9117fb6
ripemd-160	1390bd763a99413f537e52d25fedadf117a9dcc4

21031555 as geometric shapes

Circle

Radius = n

Diameter	42063110
Circumference	132145157.36314
Area	1.3896090725333E+15

Sphere

Radius = n

Volume	3.8967519516643E+22
Surface area	5.558436290133E+15
Circumference	132145157.36314

Square

Length = n

Perimeter	84126220
Area	442326305718025
Diagonal	29743110.318796

Cube

Length = n

Surface area	2653957834308150
Volume	9.3028100266555E+21
Space diagonal	36427721.822179

Equilateral Triangle

Length = n

Perimeter	63094665
Area	1.9153290875697E+14
Altitude	18213860.91109

Triangular Pyramid

Length = n

Surface area	1.9153290875697E+14
Volume	1.0963466756564E+21
Height	9914370.1062652