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

21128225 (number)

21128225 is an odd 8-digits composite number following 21128224 and preceding 21128226. In scientific notation, it is written as 2.1128225 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 16902560 positive integers (up to 21128225) that are relatively prime to 21128225.

Interesting facts

21128225 has 4 divisors, whose sum is 21973380
The reverse of 21128225 is 52282112
Previous prime number is 25

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5

Name

Name	twenty-one million one hundred twenty-eight thousand two hundred twenty-five

Notation

Scientific notation	2.1128225 × 10^7
Engineering notation	2.1128225 × 10^6

Prime Factorization of 21128225

Prime Factorization 25 × 845129

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21128225	Product of the distinct prime numbers

The prime factorization of 21128225 is 25 × 845129. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 2, 28, 99, 355, 911, 8936, 6667, 39817, 98916, 366643, 541504, 9547604, 5301905, 46699894, 82073292, 364427819, 164739249, 3690467486, 7294632336

Basic calculations (n = 21128225)

Multiplication

n×y

n×2	42256450
n×3	63384675
n×4	84512900
n×5	105641125

Division

n÷y

n÷2	10564112.5
n÷3	7042741.6666667
n÷3	5282056.25
n÷5	4225645

Exponentiation

n^y

n²	446401891650625
n³	9.43167960722E+21
n⁴	1.9927464886926E+29
n⁵	4.2103196181056E+36

Nth Root

^y√n

²√n	4596.5448980729
³√n	276.45280726502
⁴√n	67.797823697173
⁵√n	29.172429745627

Divisors of 21128225

1, 25, 845129, 21128225

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	-21128224	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 21128225 can be divided by 4 positive divisors. The sum of these divisors (counting 21128225) is 1, the average is 0.25.

Base conversion 21128225

Base	System	Value
2	Binary	1010000100110010000100001
3	Ternary	1110202102110212
4	Quaternary	1100212100201
5	Quinary	20402100400
6	Senary	2032503505
8	Octal	120462041
10	Decimal	21128225
12	Duodecimal	70aab95
16	Hexadecimal	1426421
20	Vigesimal	6c10b5
36	Base36	ckun5

Cryptographic Hash Functions

md5	3a62573a30c22b7a8e0968b1928ea567
sha1	8d3ed5259c8e37cb762f25040431081f200b3ae1
sha256	1ad1ad06733acff5df7457ceb6700cd14dd6770aa06a3a58bfddefa0c553eaa6
sha512	12b5ca2a2f1fcba3e17699a7758f39648ececc0bd0e4eaf8dc73a48615a380b4076f421db3e60ded320bb9cb87244362484ab0a997ec78d1c08d3756bcbbd97c
ripemd-160	3c0d0f4b2ad18ade5dbf325d9f2922f2232dbc5d

21128225 as geometric shapes

Circle

Radius = n

Diameter	42256450
Circumference	132752552.88678
Area	1.4024129033582E+15

Sphere

Radius = n

Volume	3.9507327153407E+22
Surface area	5.6096516134328E+15
Circumference	132752552.88678

Square

Length = n

Perimeter	84512900
Area	446401891650625
Diagonal	29879822.34387

Cube

Length = n

Surface area	2678411349903750
Volume	9.43167960722E+21
Space diagonal	36595159.173747

Equilateral Triangle

Length = n

Perimeter	63384675
Area	1.9329768923343E+14
Altitude	18297579.586873

Triangular Pyramid

Length = n

Surface area	1.9329768923343E+14
Volume	1.111534101374E+21
Height	9959940.7812901