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

21086988 (number)

21086988 is an even 8-digits composite number following 21086987 and preceding 21086989. In scientific notation, it is written as 2.1086988 × 10^7. The sum of its digits is 42. It has a total of 5 prime factors and 24 positive divisors. There are 6488256 positive integers (up to 21086988) that are relatively prime to 21086988.

Interesting facts

21086988 has 24 divisors, whose sum is 52988208
The reverse of 21086988 is 88968012
Previous prime number is 13

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6

Name

Name	twenty-one million eighty-six thousand nine hundred eighty-eight

Notation

Scientific notation	2.1086988 × 10^7
Engineering notation	2.1086988 × 10^6

Prime Factorization of 21086988

Prime Factorization 2 × 2 × 3 × 13 × 135173

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	5	Total number of prime factors
rad	Radical	10543494	Product of the distinct prime numbers

The prime factorization of 21086988 is 2 × 2 × 3 × 13 × 135173. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 9, 49, 20, 594, 481, 9473, 2868, 14076, 76756, 639729, 815913, 2521705, 8878444, 96065617, 59212926, 223606762, 963491573, 9580350221, 5570086796

Basic calculations (n = 21086988)

Multiplication

n×y

n×2	42173976
n×3	63260964
n×4	84347952
n×5	105434940

Division

n÷y

n÷2	10543494
n÷3	7028996
n÷3	5271747
n÷5	4217397.6

Exponentiation

n^y

n²	444661062912144
n³	9.3765624976956E+21
n⁴	1.9772346087016E+29
n⁵	4.1693922466875E+36

Nth Root

^y√n

²√n	4592.0570553947
³√n	276.27283459547
⁴√n	67.764718367264
⁵√n	29.161033390698

Divisors of 21086988

1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 135173, 270346, 405519, 540692, 811038, 1622076, 1757249, 3514498, 5271747, 7028996, 10543494, 21086988

24 divisors

τ	Total Divisors	24	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21086987	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.041666666666667	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	24	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21086988 can be divided by 24 positive divisors. The sum of these divisors (counting 21086988) is 1, the average is 0.041666666666667.

Base conversion 21086988

Base	System	Value
2	Binary	1010000011100001100001100
3	Ternary	1110200022220120
4	Quaternary	1100130030030
5	Quinary	20344240423
6	Senary	2031544540
8	Octal	120341414
10	Decimal	21086988
12	Duodecimal	708b150
16	Hexadecimal	141c30c
20	Vigesimal	6bfh98
36	Base36	cjyto

Cryptographic Hash Functions

md5	cd2c721793b9f17ee516823b0be325e4
sha1	1858dee1f4cd5a806b1db642bbf7e06f899f96d0
sha256	5ba4ba5d60849a6ac280d13eb35eece8beba47a03ddb935da25971bd17fcf198
sha512	d87cdfc8e274c51b0a462a7921ecf5abe27283ab92b20d76dbbf53fc002473fc355c2c233ca3abc678612291fa597adf1ccc606959aa571d95384457ec97afc2
ripemd-160	044e0101b5a5f5738518417976ea4f500dc34fe6

21086988 as geometric shapes

Circle

Radius = n

Diameter	42173976
Circumference	132493453.17427
Area	1.3969439285822E+15

Sphere

Radius = n

Volume	3.9276453144915E+22
Surface area	5.5877757143289E+15
Circumference	132493453.17427

Square

Length = n

Perimeter	84347952
Area	444661062912144
Diagonal	29821504.419199

Cube

Length = n

Surface area	2667966377472864
Volume	9.3765624976956E+21
Space diagonal	36523734.594595

Equilateral Triangle

Length = n

Perimeter	63260964
Area	1.9254388827785E+14
Altitude	18261867.297298

Triangular Pyramid

Length = n

Surface area	1.9254388827785E+14
Volume	1.1050384877233E+21
Height	9940501.4730662