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

21007839 (number)

21007839 is an odd 8-digits composite number following 21007838 and preceding 21007840. In scientific notation, it is written as 2.1007839 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 14005224 positive integers (up to 21007839) that are relatively prime to 21007839.

Interesting facts

21007839 has 4 divisors, whose sum is 28010456
The reverse of 21007839 is 93870012
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3

Name

Name	twenty-one million seven thousand eight hundred thirty-nine

Notation

Scientific notation	2.1007839 × 10^7
Engineering notation	2.1007839 × 10^6

Prime Factorization of 21007839

Prime Factorization 3 × 7002613

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21007839	Product of the distinct prime numbers

The prime factorization of 21007839 is 3 × 7002613. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 3, 18, 100, 366, 6, 5635, 9974, 97501, 14291, 488496, 803998, 5043273, 6061442, 40944765, 64313706, 54803354, 786960281, 76166170, 2455590824

Basic calculations (n = 21007839)

Multiplication

n×y

n×2	42015678
n×3	63023517
n×4	84031356
n×5	105039195

Division

n÷y

n÷2	10503919.5
n÷3	7002613
n÷3	5251959.75
n÷5	4201567.8

Exponentiation

n^y

n²	441329299449921
n³	9.2713748688267E+21
n⁴	1.9477155055296E+29
n⁵	4.0917293757969E+36

Nth Root

^y√n

²√n	4583.4309201732
³√n	275.9267422669
⁴√n	67.701040761374
⁵√n	29.139109541322

Divisors of 21007839

1, 3, 7002613, 21007839

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	-21007838	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 21007839 can be divided by 4 positive divisors. The sum of these divisors (counting 21007839) is 1, the average is 0.25.

Base conversion 21007839

Base	System	Value
2	Binary	1010000001000110111011111
3	Ternary	1110112022100010
4	Quaternary	1100020313133
5	Quinary	20334222324
6	Senary	2030134303
8	Octal	120106737
10	Decimal	21007839
12	Duodecimal	7051393
16	Hexadecimal	1408ddf
20	Vigesimal	6b5jbj
36	Base36	ci9r3

Cryptographic Hash Functions

md5	4954d863656692d2d64ff0820a6a0867
sha1	5b03b9467e33713c9a994cb66ca1542e803d4428
sha256	6ad90bbf8d1ea05d8c42d730692899cdc787367c0547c236d2f723fdfecbf4cd
sha512	7ff1a15a2f4809ec1e03c98a0f02f5bee250de449b95443b822faf8e0f3fac486489b96c3c385d9c5173fb1421450892aed123a1362b83be003517265a0892ca
ripemd-160	9d91b7bfe5a58faba3551d74093d625830b992e2

21007839 as geometric shapes

Circle

Radius = n

Diameter	42015678
Circumference	131996145.34039
Area	1.3864768849658E+15

Sphere

Radius = n

Volume	3.8835844235444E+22
Surface area	5.5459075398632E+15
Circumference	131996145.34039

Square

Length = n

Perimeter	84031356
Area	441329299449921
Diagonal	29709570.82995

Cube

Length = n

Surface area	2647975796699526
Volume	9.2713748688267E+21
Space diagonal	36386644.505227

Equilateral Triangle

Length = n

Perimeter	63023517
Area	1.9110119237901E+14
Altitude	18193322.252613

Triangular Pyramid

Length = n

Surface area	1.9110119237901E+14
Volume	1.0926420067783E+21
Height	9903190.2766501