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

21031643 (number)

21031643 is an odd 8-digits composite number following 21031642 and preceding 21031644. In scientific notation, it is written as 2.1031643 × 10^7. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 20994240 positive integers (up to 21031643) that are relatively prime to 21031643.

Interesting facts

21031643 has 4 divisors, whose sum is 21069048
The reverse of 21031643 is 34613012
Previous prime number is 571

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2

Name

Name	twenty-one million thirty-one thousand six hundred forty-three

Notation

Scientific notation	2.1031643 × 10^7
Engineering notation	2.1031643 × 10^6

Prime Factorization of 21031643

Prime Factorization 571 × 36833

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21031643	Product of the distinct prime numbers

The prime factorization of 21031643 is 571 × 36833. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 1, 85, 31, 754, 436, 291, 9332, 15551, 63399, 720, 170233, 6972578, 9518323, 8178263, 50861913, 138333902, 653171124, 5818052551, 5009619948

Basic calculations (n = 21031643)

Multiplication

n×y

n×2	42063286
n×3	63094929
n×4	84126572
n×5	105158215

Division

n÷y

n÷2	10515821.5
n÷3	7010547.6666667
n÷3	5257910.75
n÷5	4206328.6

Exponentiation

n^y

n²	442330007279449
n³	9.3029268012888E+21
n⁴	1.9565583533984E+29
n⁵	4.1149636797342E+36

Nth Root

^y√n

²√n	4586.0269297072
³√n	276.03092053637
⁴√n	67.720210644292
⁵√n	29.145710060273

Divisors of 21031643

1, 571, 36833, 21031643

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	-21031642	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 21031643 can be divided by 4 positive divisors. The sum of these divisors (counting 21031643) is 1, the average is 0.25.

Base conversion 21031643

Base	System	Value
2	Binary	1010000001110101011011011
3	Ternary	1110120111222202
4	Quaternary	1100032223123
5	Quinary	20341003033
6	Senary	2030440415
8	Octal	120165333
10	Decimal	21031643
12	Duodecimal	706310b
16	Hexadecimal	140eadb
20	Vigesimal	6b8j23
36	Base36	cis4b

Cryptographic Hash Functions

md5	06d505e1b11a8bcd517501b8b91620b0
sha1	186d3e2fa9b02eff35ad2ded241bd7c8739db195
sha256	1eda71b8f50df0df895ad1007cfde1f58ad3fa0564bfb84a27fe9fdc0f130bd1
sha512	4c8fcff76ff7319fe5cbcc5f45a4e66a1953686d44ca90d4c13522f4fce2d4c781724a95f0011f2085eb738c205947c45c7f54a3e062a964f23bf1719328e524
ripemd-160	5bebd7b4a699cbc2bfc82518092ad53979599b89

21031643 as geometric shapes

Circle

Radius = n

Diameter	42063286
Circumference	132145710.28345
Area	1.3896207013314E+15

Sphere

Radius = n

Volume	3.8968008661083E+22
Surface area	5.5584828053257E+15
Circumference	132145710.28345

Square

Length = n

Perimeter	84126572
Area	442330007279449
Diagonal	29743234.769589

Cube

Length = n

Surface area	2653980043676694
Volume	9.3029268012888E+21
Space diagonal	36427874.24265

Equilateral Triangle

Length = n

Perimeter	63094929
Area	1.9153451158008E+14
Altitude	18213937.121325

Triangular Pyramid

Length = n

Surface area	1.9153451158008E+14
Volume	1.0963604376789E+21
Height	9914411.5898631