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

21131245 (number)

21131245 is an odd 8-digits composite number following 21131244 and preceding 21131246. In scientific notation, it is written as 2.1131245 × 10^7. The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors. There are 16904992 positive integers (up to 21131245) that are relatively prime to 21131245.

Interesting facts

21131245 has 4 divisors, whose sum is 25357500
The reverse of 21131245 is 54213112
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1

Name

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

Notation

Scientific notation	2.1131245 × 10^7
Engineering notation	2.1131245 × 10^6

Prime Factorization of 21131245

Prime Factorization 5 × 4226249

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21131245	Product of the distinct prime numbers

The prime factorization of 21131245 is 5 × 4226249. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 1, 32, 4, 629, 414, 3910, 4063, 23503, 53184, 904498, 103184, 6682272, 8939242, 91593643, 16538066, 418498135, 363678735, 9666025994, 5443554636

Basic calculations (n = 21131245)

Multiplication

n×y

n×2	42262490
n×3	63393735
n×4	84524980
n×5	105656225

Division

n÷y

n÷2	10565622.5
n÷3	7043748.3333333
n÷3	5282811.25
n÷5	4226249

Exponentiation

n^y

n²	446529515250025
n³	9.4357245864795E+21
n⁴	1.9938860798942E+29
n⁵	4.2133295256334E+36

Nth Root

^y√n

²√n	4596.8733939494
³√n	276.46597839356
⁴√n	67.800246267616
⁵√n	29.173263660461

Divisors of 21131245

1, 5, 4226249, 21131245

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	-21131244	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 21131245 can be divided by 4 positive divisors. The sum of these divisors (counting 21131245) is 1, the average is 0.25.

Base conversion 21131245

Base	System	Value
2	Binary	1010000100110111111101101
3	Ternary	1110202120121201
4	Quaternary	1100212333231
5	Quinary	20402144440
6	Senary	2032525501
8	Octal	120467755
10	Decimal	21131245
12	Duodecimal	70b0891
16	Hexadecimal	1426fed
20	Vigesimal	6c1825
36	Base36	ckwz1

Cryptographic Hash Functions

md5	8cd1d27eefb887cc5aad4c445f5752dd
sha1	47c571f86c76caa176af81ee02d6639153f81b40
sha256	b5159cb05af801fbe599ca6613e17743f8e750b1f352c3fc96613ac1d83e7e8d
sha512	e2cd2b378e086a602d5e3a51ca50a347daf8550d534e271088e777d4e732eb8474f9faff65d3012aefc62d29c0f2ec44379e0737c19fa318ea00fb1383f42ca8
ripemd-160	3cf6184b8940dc2692656cd5457b74ed6bc407c4

21131245 as geometric shapes

Circle

Radius = n

Diameter	42262490
Circumference	132771528.10641
Area	1.4028138447205E+15

Sphere

Radius = n

Volume	3.9524270722908E+22
Surface area	5.611255378882E+15
Circumference	132771528.10641

Square

Length = n

Perimeter	84524980
Area	446529515250025
Diagonal	29884093.268829

Cube

Length = n

Surface area	2679177091500150
Volume	9.4357245864795E+21
Space diagonal	36600389.967186

Equilateral Triangle

Length = n

Perimeter	63393735
Area	1.9335295187304E+14
Altitude	18300194.983593

Triangular Pyramid

Length = n

Surface area	1.9335295187304E+14
Volume	1.1120108067514E+21
Height	9961364.4229429