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

21031209 (number)

21031209 is an odd 8-digits composite number following 21031208 and preceding 21031210. In scientific notation, it is written as 2.1031209 × 10^7. The sum of its digits is 18. It has a total of 3 prime factors and 6 positive divisors. There are 14020800 positive integers (up to 21031209) that are relatively prime to 21031209.

Interesting facts

21031209 has 6 divisors, whose sum is 30378426
The reverse of 21031209 is 90213012
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9

Name

Name	twenty-one million thirty-one thousand two hundred nine

Notation

Scientific notation	2.1031209 × 10^7
Engineering notation	2.1031209 × 10^6

Prime Factorization of 21031209

Prime Factorization 3 × 3 × 2336801

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	7010403	Product of the distinct prime numbers

The prime factorization of 21031209 is 3 × 3 × 2336801. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 4, 6, 18, 171, 288, 7744, 960, 40825, 95055, 464282, 642512, 9058306, 96046, 27791584, 13050921, 192192677, 416036754, 1345482666, 8437114509

Basic calculations (n = 21031209)

Multiplication

n×y

n×2	42062418
n×3	63093627
n×4	84124836
n×5	105156045

Division

n÷y

n÷2	10515604.5
n÷3	7010403
n÷3	5257802.25
n÷5	4206241.8

Exponentiation

n^y

n²	442311752001681
n³	9.3023508995035E+21
n⁴	1.956396859588E+29
n⁵	4.1145391240938E+36

Nth Root

^y√n

²√n	4585.9796118169
³√n	276.02902183793
⁴√n	67.719861280254
⁵√n	29.145589771596

Divisors of 21031209

1, 3, 9, 2336801, 7010403, 21031209

6 divisors

τ	Total Divisors	6	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21031208	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.16666666666667	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	6	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21031209 can be divided by 6 positive divisors. The sum of these divisors (counting 21031209) is 1, the average is 0.16666666666667.

Base conversion 21031209

Base	System	Value
2	Binary	1010000001110100100101001
3	Ternary	1110120111101200
4	Quaternary	1100032210221
5	Quinary	20340444314
6	Senary	2030434413
8	Octal	120164451
10	Decimal	21031209
12	Duodecimal	7062a09
16	Hexadecimal	140e929
20	Vigesimal	6b8i09
36	Base36	cirs9

Cryptographic Hash Functions

md5	9690d7dbabade2b515bc10eab3792d97
sha1	2ae84e36d4a31a8f13cdc4cd56ae7960cbe07831
sha256	6a2470add6a4929bd5f4e821cbb8439b6139b8e2e94d380fbba56e0971df20ba
sha512	f81b85a9e2820ac15f37c410744cd75ed57184519b70ba64d708b69e883326e6bbf1d1a5c364015468fecf5501c0edfff061b5448a0342db6dd2e4cf89d07667
ripemd-160	dce95b4c725f21e17212c506007c609f9dcb6f03

21031209 as geometric shapes

Circle

Radius = n

Diameter	42062418
Circumference	132142983.38102
Area	1.3895633506849E+15

Sphere

Radius = n

Volume	3.8965596329326E+22
Surface area	5.5582534027396E+15
Circumference	132142983.38102

Square

Length = n

Perimeter	84124836
Area	442311752001681
Diagonal	29742621.000903

Cube

Length = n

Surface area	2653870512010086
Volume	9.3023508995035E+21
Space diagonal	36427122.5326

Equilateral Triangle

Length = n

Perimeter	63093627
Area	1.9152660681293E+14
Altitude	18213561.2663

Triangular Pyramid

Length = n

Surface area	1.9152660681293E+14
Volume	1.0962925670026E+21
Height	9914207.000301