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

21031645 (number)

21031645 is an odd 8-digits composite number following 21031644 and preceding 21031646. In scientific notation, it is written as 2.1031645 × 10^7. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 16825312 positive integers (up to 21031645) that are relatively prime to 21031645.

Interesting facts

21031645 has 4 divisors, whose sum is 25237980
The reverse of 21031645 is 54613012
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 thirty-one thousand six hundred forty-five

Notation

Scientific notation	2.1031645 × 10^7
Engineering notation	2.1031645 × 10^6

Prime Factorization of 21031645

Prime Factorization 5 × 4206329

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21031645	Product of the distinct prime numbers

The prime factorization of 21031645 is 5 × 4206329. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 10, 63, 78, 964, 403, 197, 1513, 26373, 24160, 548046, 295714, 9887563, 3378193, 14805272, 81189417, 495739954, 319733086, 9197121169, 5568421626

Basic calculations (n = 21031645)

Multiplication

n×y

n×2	42063290
n×3	63094935
n×4	84126580
n×5	105158225

Division

n÷y

n÷2	10515822.5
n÷3	7010548.3333333
n÷3	5257911.25
n÷5	4206329

Exponentiation

n^y

n²	442330091406025
n³	9.3029294552691E+21
n⁴	1.9565590976326E+29
n⁵	4.114965636293E+36

Nth Root

^y√n

²√n	4586.0271477609
³√n	276.03092928608
⁴√n	67.720212254252
⁵√n	29.145710614594

Divisors of 21031645

1, 5, 4206329, 21031645

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	-21031644	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 21031645 can be divided by 4 positive divisors. The sum of these divisors (counting 21031645) is 1, the average is 0.25.

Base conversion 21031645

Base	System	Value
2	Binary	1010000001110101011011101
3	Ternary	1110120111222211
4	Quaternary	1100032223131
5	Quinary	20341003040
6	Senary	2030440421
8	Octal	120165335
10	Decimal	21031645
12	Duodecimal	7063111
16	Hexadecimal	140eadd
20	Vigesimal	6b8j25
36	Base36	cis4d

Cryptographic Hash Functions

md5	c10c0c24417bcfba035f40eaca1bc3b5
sha1	409d574d6449d6e66b2076cd7a1ddb924b453749
sha256	d77e34e322c5761c514ac865004a5d822c083c7b07da3b43f472484d1d77915e
sha512	e5d33285146b5aed708d3c86392db7c81b1c489b18bffc068e57bc1c200fc10142e37c2751cb3c5c8aee34cc50731422fde9df3d4f3c1a2dd9625312833cacb7
ripemd-160	64f4886ab32d29f2a5115e5160e01d45059fd705

21031645 as geometric shapes

Circle

Radius = n

Diameter	42063290
Circumference	132145722.84982
Area	1.3896209656229E+15

Sphere

Radius = n

Volume	3.896801977805E+22
Surface area	5.5584838624915E+15
Circumference	132145722.84982

Square

Length = n

Perimeter	84126580
Area	442330091406025
Diagonal	29743237.598016

Cube

Length = n

Surface area	2653980548436150
Volume	9.3029294552691E+21
Space diagonal	36427877.706752

Equilateral Triangle

Length = n

Perimeter	63094935
Area	1.9153454800796E+14
Altitude	18213938.853376

Triangular Pyramid

Length = n

Surface area	1.9153454800796E+14
Volume	1.0963607504535E+21
Height	9914412.5326721