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

21531145 (number)

21531145 is an odd 8-digits composite number following 21531144 and preceding 21531146. In scientific notation, it is written as 2.1531145 × 10^7. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 17224912 positive integers (up to 21531145) that are relatively prime to 21531145.

Interesting facts

21531145 has 4 divisors, whose sum is 25837380
The reverse of 21531145 is 54113512
Previous prime number is 5

Basic properties

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

Name

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

Notation

Scientific notation	2.1531145 × 10^7
Engineering notation	2.1531145 × 10^6

Prime Factorization of 21531145

Prime Factorization 5 × 4306229

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21531145	Product of the distinct prime numbers

The prime factorization of 21531145 is 5 × 4306229. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 1, 8, 87, 356, 989, 812, 447, 60400, 37784, 668336, 916766, 9315657, 4269962, 33468961, 60296006, 962146584, 566856871, 8107023684, 6851264792

Basic calculations (n = 21531145)

Multiplication

n×y

n×2	43062290
n×3	64593435
n×4	86124580
n×5	107655725

Division

n÷y

n÷2	10765572.5
n÷3	7177048.3333333
n÷3	5382786.25
n÷5	4306229

Exponentiation

n^y

n²	463590205011025
n³	9.9816279246721E+21
n⁴	2.1491587818216E+29
n⁵	4.6273849359425E+36

Nth Root

^y√n

²√n	4640.1664840822
³√n	278.19909224095
⁴√n	68.118767487985
⁵√n	29.282855548657

Divisors of 21531145

1, 5, 4306229, 21531145

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	-21531144	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 21531145 can be divided by 4 positive divisors. The sum of these divisors (counting 21531145) is 1, the average is 0.25.

Base conversion 21531145

Base	System	Value
2	Binary	1010010001000101000001001
3	Ternary	1111111220011211
4	Quaternary	1102020220021
5	Quinary	21002444040
6	Senary	2045253121
8	Octal	122105011
10	Decimal	21531145
12	Duodecimal	72641a1
16	Hexadecimal	1488a09
20	Vigesimal	6eb7h5
36	Base36	cthjd

Cryptographic Hash Functions

md5	1a30d0c5bb24955bcaab54316467a115
sha1	c40cf5b34795a521f1087ddbaea5598499117b77
sha256	5f36647af227c77e1f02ff19a3180d55dc9981720c1e9e67f700cfb639bb320c
sha512	e1b62c09818e88e580edee04be1c4c45eade3f0e4b6e1d423350ad02b18719e6f0e451a1f506f1678a13bde59d1a11d37fcbfa60c6e101dc70af91792c18e1a0
ripemd-160	ee9de22d59bb463f65afb938d50cc0c595069f31

21531145 as geometric shapes

Circle

Radius = n

Diameter	43062290
Circumference	135284173.91075
Area	1.4564115823388E+15

Sphere

Radius = n

Volume	4.1810945278689E+22
Surface area	5.8256463293553E+15
Circumference	135284173.91075

Square

Length = n

Perimeter	86124580
Area	463590205011025
Diagonal	30449637.272422

Cube

Length = n

Surface area	2781541230066150
Volume	9.9816279246721E+21
Space diagonal	37293037.085133

Equilateral Triangle

Length = n

Perimeter	64593435
Area	2.0074044724259E+14
Altitude	18646518.542566

Triangular Pyramid

Length = n

Surface area	2.0074044724259E+14
Volume	1.1763461321361E+21
Height	10149879.090807