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

21388250 (number)

21388250 is an even 8-digits composite number following 21388249 and preceding 21388251. In scientific notation, it is written as 2.1388250 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors. There are 7896000 positive integers (up to 21388250) that are relatively prime to 21388250.

Interesting facts

21388250 has 16 divisors, whose sum is 33884136
The reverse of 21388250 is 05288312
Previous prime number is 25

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2

Name

Name	twenty-one million three hundred eighty-eight thousand two hundred fifty

Notation

Scientific notation	2.1388250 × 10^7
Engineering notation	2.1388250 × 10^6

Prime Factorization of 21388250

Prime Factorization 2 × 65 × 25 × 6581

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	21388250	Product of the distinct prime numbers

The prime factorization of 21388250 is 2 × 65 × 25 × 6581. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 2, 84, 87, 470, 736, 7758, 7085, 81163, 50552, 913371, 633414, 5225900, 4781220, 1278694, 7610469, 733813618, 789936584, 6037943547, 3802425814

Basic calculations (n = 21388250)

Multiplication

n×y

n×2	42776500
n×3	64164750
n×4	85553000
n×5	106941250

Division

n÷y

n÷2	10694125
n÷3	7129416.6666667
n÷3	5347062.5
n÷5	4277650

Exponentiation

n^y

n²	457457238062500
n³	9.7842097719903E+21
n⁴	2.0926712465577E+29
n⁵	4.4758575789188E+36

Nth Root

^y√n

²√n	4624.7432361159
³√n	277.58228763844
⁴√n	68.005464751856
⁵√n	29.243883852564

Divisors of 21388250

1, 2, 25, 50, 65, 130, 1625, 3250, 6581, 13162, 164525, 329050, 427765, 855530, 10694125, 21388250

16 divisors

τ	Total Divisors	16	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21388249	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.0625	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	16	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21388250 can be divided by 16 positive divisors. The sum of these divisors (counting 21388250) is 1, the average is 0.0625.

Base conversion 21388250

Base	System	Value
2	Binary	1010001100101101111011010
3	Ternary	1111020122011102
4	Quaternary	1101211233122
5	Quinary	20433411000
6	Senary	2042231402
8	Octal	121455732
10	Decimal	21388250
12	Duodecimal	71b5562
16	Hexadecimal	1465bda
20	Vigesimal	6ddaca
36	Base36	cqfa2

Cryptographic Hash Functions

md5	9ef6d94118f702c516cc3df3ad906d5d
sha1	70295dfbd98b9d6efb091afa3af1598c7f0b5a79
sha256	1d6ecefe961035691f643241d0fc9d4735956d21c000d24753838256df6366b2
sha512	17920cb487795f80c7c72c32981edc413577c95bea8eadbb83d3c10c2af599a38c8cdaa46717c8f61e571aa10b1499ff521d1eea42f40ee9caf2b704d1661273
ripemd-160	cad14bfc7d4e9f74dd49516bc479a56095d9fb0b

21388250 as geometric shapes

Circle

Radius = n

Diameter	42776500
Circumference	134386338.14628
Area	1.4371442984286E+15

Sphere

Radius = n

Volume	4.0984002054488E+22
Surface area	5.7485771937145E+15
Circumference	134386338.14628

Square

Length = n

Perimeter	85553000
Area	457457238062500
Diagonal	30247553.225426

Cube

Length = n

Surface area	2744743428375000
Volume	9.7842097719903E+21
Space diagonal	37045535.684985

Equilateral Triangle

Length = n

Perimeter	64164750
Area	1.980847946536E+14
Altitude	18522767.842493

Triangular Pyramid

Length = n

Surface area	1.980847946536E+14
Volume	1.153080179721E+21
Height	10082517.741809