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

21000836 (number)

21000836 is an even 8-digits composite number following 21000835 and preceding 21000837. In scientific notation, it is written as 2.1000836 × 10^7. The sum of its digits is 20. It has a total of 4 prime factors and 12 positive divisors. There are 10328160 positive integers (up to 21000836) that are relatively prime to 21000836.

Interesting facts

21000836 has 12 divisors, whose sum is 37354380
The reverse of 21000836 is 63800012
Previous prime number is 61

Basic properties

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

Name

Name	twenty-one million eight hundred thirty-six

Notation

Scientific notation	2.1000836 × 10^7
Engineering notation	2.1000836 × 10^6

Prime Factorization of 21000836

Prime Factorization 2 × 2 × 61 × 86069

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	10500418	Product of the distinct prime numbers

The prime factorization of 21000836 is 2 × 2 × 61 × 86069. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 1, 16, 54, 574, 512, 7094, 2501, 65937, 98371, 701187, 115466, 9301719, 2262333, 66058839, 63878132, 963257277, 783123510, 1911766313, 8758623474

Basic calculations (n = 21000836)

Multiplication

n×y

n×2	42001672
n×3	63002508
n×4	84003344
n×5	105004180

Division

n÷y

n÷2	10500418
n÷3	7000278.6666667
n÷3	5250209
n÷5	4200167.2

Exponentiation

n^y

n²	441035112698896
n³	9.262106072031E+21
n⁴	1.9451197063333E+29
n⁵	4.0849139953073E+36

Nth Root

^y√n

²√n	4582.6669091262
³√n	275.89607863812
⁴√n	67.695397990751
⁵√n	29.137166567566

Divisors of 21000836

1, 2, 4, 61, 122, 244, 86069, 172138, 344276, 5250209, 10500418, 21000836

12 divisors

τ	Total Divisors	12	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21000835	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.083333333333333	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	12	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21000836 can be divided by 12 positive divisors. The sum of these divisors (counting 21000836) is 1, the average is 0.083333333333333.

Base conversion 21000836

Base	System	Value
2	Binary	1010000000111001010000100
3	Ternary	1110111221201202
4	Quaternary	1100013022010
5	Quinary	20334011321
6	Senary	2030042032
8	Octal	120071204
10	Decimal	21000836
12	Duodecimal	7049318
16	Hexadecimal	1407284
20	Vigesimal	6b521g
36	Base36	ci4ck

Cryptographic Hash Functions

md5	a7c802a5eb225e64d1bac6a69a407554
sha1	2ec00859fc9d11801ad94a52fb2c276c606bbee2
sha256	6d4a28b97772753aeece294c0868ef10eef976070b09d63658236b73213d69e4
sha512	810158aa0d1117433c5706f23497a4e8069dde03967659052d98e32d3cdbcd0a3311136501f8bc2e4d067403664a4a36aff8539b5687b576a0db73457feac6b5
ripemd-160	5a1a5bb13cb2c56eb9574730c80c7efdbf1f8aa5

21000836 as geometric shapes

Circle

Radius = n

Diameter	42001672
Circumference	131952144.19369
Area	1.38555267003E+15

Sphere

Radius = n

Volume	3.8797019190216E+22
Surface area	5.54221068012E+15
Circumference	131952144.19369

Square

Length = n

Perimeter	84003344
Area	441035112698896
Diagonal	29699667.092373

Cube

Length = n

Surface area	2646210676193376
Volume	9.262106072031E+21
Space diagonal	36374514.953422

Equilateral Triangle

Length = n

Perimeter	63002508
Area	1.9097380577909E+14
Altitude	18187257.476711

Triangular Pyramid

Length = n

Surface area	1.9097380577909E+14
Volume	1.0915496686004E+21
Height	9899889.030791