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

21007890 (number)

21007890 is an even 8-digits composite number following 21007889 and preceding 21007891. In scientific notation, it is written as 2.1007890 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors. There are 5406912 positive integers (up to 21007890) that are relatively prime to 21007890.

Interesting facts

21007890 has 32 divisors, whose sum is 44447040
The reverse of 21007890 is 09870012
Previous prime number is 29

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9

Name

Name	twenty-one million seven thousand eight hundred ninety

Notation

Scientific notation	2.1007890 × 10^7
Engineering notation	2.1007890 × 10^6

Prime Factorization of 21007890

Prime Factorization 2 × 45 × 3 × 29 × 2683

Composite number

ω	Distinct Factors	5	Total number of distinct prime factors
Ω	Total Factors	5	Total number of prime factors
rad	Radical	21007890	Product of the distinct prime numbers

The prime factorization of 21007890 is 2 × 45 × 3 × 29 × 2683. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 6, 14, 51, 400, 22, 7449, 8108, 53842, 10818, 720520, 867310, 1715256, 5027060, 70524809, 47851371, 22706052, 15578137, 4918066357, 1702510824

Basic calculations (n = 21007890)

Multiplication

n×y

n×2	42015780
n×3	63023670
n×4	84031560
n×5	105039450

Division

n÷y

n÷2	10503945
n÷3	7002630
n÷3	5251972.5
n÷5	4201578

Exponentiation

n^y

n²	441331442252100
n³	9.2714423923735E+21
n⁴	1.9477344192032E+29
n⁵	4.0917790427834E+36

Nth Root

^y√n

²√n	4583.4364836878
³√n	275.92696555263
⁴√n	67.701081850202
⁵√n	29.139123689309

Divisors of 21007890

1, 2, 3, 6, 29, 45, 58, 87, 90, 135, 174, 270, 1305, 2610, 2683, 3915, 5366, 7830, 8049, 16098, 77807, 120735, 155614, 233421, 241470, 362205, 466842, 724410, 3501315, 7002630, 10503945, 21007890

32 divisors

τ	Total Divisors	32	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21007889	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.03125	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	32	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21007890 can be divided by 32 positive divisors. The sum of these divisors (counting 21007890) is 1, the average is 0.03125.

Base conversion 21007890

Base	System	Value
2	Binary	1010000001000111000010010
3	Ternary	1110112022102000
4	Quaternary	1100020320102
5	Quinary	20334223030
6	Senary	2030134430
8	Octal	120107022
10	Decimal	21007890
12	Duodecimal	7051416
16	Hexadecimal	1408e12
20	Vigesimal	6b5jea
36	Base36	ci9si

Cryptographic Hash Functions

md5	7c8ab2cae8ef250fbf1cca97c7d6539f
sha1	a5790b64ec4c109e30e4bcfeb1b5a6a98bd46340
sha256	60a326eb1ffa93ee0122733a8f97b3ddad041d15231fd2b7201e129d4f04d2b6
sha512	788c94bacbb1c11084c8b5b76859f93c6bc95654ae759ae12129526d973f14fb02bb34983054cf6471bd06eb49b044a0863e7668ced689d733d606e7bdd33f70
ripemd-160	73b6b0398b8ca2077eaea5234f3e5b17d693e646

21007890 as geometric shapes

Circle

Radius = n

Diameter	42015780
Circumference	131996465.78284
Area	1.3864836167774E+15

Sphere

Radius = n

Volume	3.8836127077415E+22
Surface area	5.5459344671095E+15
Circumference	131996465.78284

Square

Length = n

Perimeter	84031560
Area	441331442252100
Diagonal	29709642.954842

Cube

Length = n

Surface area	2647988653512600
Volume	9.2714423923735E+21
Space diagonal	36386732.839818

Equilateral Triangle

Length = n

Perimeter	63023670
Area	1.9110212023957E+14
Altitude	18193366.419909

Triangular Pyramid

Length = n

Surface area	1.9110212023957E+14
Volume	1.0926499645046E+21
Height	9903214.3182807