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

21087938 (number)

21087938 is an even 8-digits composite number following 21087937 and preceding 21087939. In scientific notation, it is written as 2.1087938 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 10528020 positive integers (up to 21087938) that are relatively prime to 21087938.

Interesting facts

21087938 has 8 divisors, whose sum is 31679760
The reverse of 21087938 is 83978012
Previous prime number is 691

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2

Name

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

Notation

Scientific notation	2.1087938 × 10^7
Engineering notation	2.1087938 × 10^6

Prime Factorization of 21087938

Prime Factorization 2 × 691 × 15259

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21087938	Product of the distinct prime numbers

The prime factorization of 21087938 is 2 × 691 × 15259. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 6, 97, 95, 475, 507, 4934, 5060, 58529, 97686, 774491, 417055, 4960763, 3612698, 29884836, 45590536, 542486765, 846143943, 5205907087, 9260998608

Basic calculations (n = 21087938)

Multiplication

n×y

n×2	42175876
n×3	63263814
n×4	84351752
n×5	105439690

Division

n÷y

n÷2	10543969
n÷3	7029312.6666667
n÷3	5271984.5
n÷5	4217587.6

Exponentiation

n^y

n²	444701129091844
n³	9.3778298388188E+21
n⁴	1.9775909421556E+29
n⁵	4.1703315177539E+36

Nth Root

^y√n

²√n	4592.160493711
³√n	276.27698336645
⁴√n	67.76548157957
⁵√n	29.161296135501

Divisors of 21087938

1, 2, 691, 1382, 15259, 30518, 10543969, 21087938

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21087937	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21087938 can be divided by 8 positive divisors. The sum of these divisors (counting 21087938) is 1, the average is 0.125.

Base conversion 21087938

Base	System	Value
2	Binary	1010000011100011011000010
3	Ternary	1110200101012202
4	Quaternary	1100130123002
5	Quinary	20344303223
6	Senary	2031553202
8	Octal	120343302
10	Decimal	21087938
12	Duodecimal	708b802
16	Hexadecimal	141c6c2
20	Vigesimal	6bfjgi
36	Base36	cjzk2

Cryptographic Hash Functions

md5	52a89d0f3035b8e144a0e570a1fe65cb
sha1	3d39c6f4071fb04b0b7b2a9905ccc659e65ca8d4
sha256	5f7e55994c45a056598047c01b081b4a5affd5a69b3775301452c668024be7cb
sha512	eed508553c1dbde1c96c4aa5d9d83cce1ecc6ed1ab5725b4eaefd40908a6be558f277f5e5357e5f9ac0d48a363cdd3de78db1597e8d3dd204dff58ff5b87e12a
ripemd-160	b9d3d69ec401a5a210de6adce2e842cd3b78a57e

21087938 as geometric shapes

Circle

Radius = n

Diameter	42175876
Circumference	132499422.20031
Area	1.397069800198E+15

Sphere

Radius = n

Volume	3.9281761770998E+22
Surface area	5.5882792007921E+15
Circumference	132499422.20031

Square

Length = n

Perimeter	84351752
Area	444701129091844
Diagonal	29822847.922083

Cube

Length = n

Surface area	2668206774551064
Volume	9.3778298388188E+21
Space diagonal	36525380.042862

Equilateral Triangle

Length = n

Perimeter	63263814
Area	1.9256123744258E+14
Altitude	18262690.021431

Triangular Pyramid

Length = n

Surface area	1.9256123744258E+14
Volume	1.1051878453071E+21
Height	9940949.307361