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

21249938 (number)

21249938 is an even 8-digits composite number following 21249937 and preceding 21249939. In scientific notation, it is written as 2.1249938 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 10624968 positive integers (up to 21249938) that are relatively prime to 21249938.

Interesting facts

21249938 has 4 divisors, whose sum is 31874910
The reverse of 21249938 is 83994212
Previous prime number is 2

Basic properties

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

Name

Name	twenty-one million two hundred forty-nine thousand nine hundred thirty-eight

Notation

Scientific notation	2.1249938 × 10^7
Engineering notation	2.1249938 × 10^6

Prime Factorization of 21249938

Prime Factorization 2 × 10624969

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21249938	Product of the distinct prime numbers

The prime factorization of 21249938 is 2 × 10624969. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 5, 89, 96, 432, 171, 9582, 9418, 27505, 90657, 649954, 413646, 868947, 5215123, 48518150, 27266825, 942517200, 961048801, 8562337913, 11773434

Basic calculations (n = 21249938)

Multiplication

n×y

n×2	42499876
n×3	63749814
n×4	84999752
n×5	106249690

Division

n÷y

n÷2	10624969
n÷3	7083312.6666667
n÷3	5312484.5
n÷5	4249987.6

Exponentiation

n^y

n²	451559865003844
n³	9.5956191346201E+21
n⁴	2.0390631168229E+29
n⁵	4.3329964810573E+36

Nth Root

^y√n

²√n	4609.7655037973
³√n	276.982643458
⁴√n	67.895253912165
⁵√n	29.205963186398

Divisors of 21249938

1, 2, 10624969, 21249938

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	-21249937	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 21249938 can be divided by 4 positive divisors. The sum of these divisors (counting 21249938) is 1, the average is 0.25.

Base conversion 21249938

Base	System	Value
2	Binary	1010001000011111110010010
3	Ternary	1110222121102202
4	Quaternary	1101003332102
5	Quinary	20414444223
6	Senary	2035243202
8	Octal	121037622
10	Decimal	21249938
12	Duodecimal	7149502
16	Hexadecimal	1443f92
20	Vigesimal	6cg4gi
36	Base36	cngk2

Cryptographic Hash Functions

md5	efa0f184b8be674267f096a2ce4536dd
sha1	0173fd999b2fae0f8ef62fcb25647d23d89bac53
sha256	9b5c9b7de7fb2dff8157fcef16e02a173d6adc3a3bb96e8a6af7e5dd9eedc436
sha512	78320c8aab1d6b78bab156b2480ed216247ec7e9c46206f30248529ea83c299e65aae5115709d97c0279b66c7a8288a06964d484c31adec472f5b298933b8d44
ripemd-160	0c34a80abfdcbb2e2ea67ed09a90215039f85013

21249938 as geometric shapes

Circle

Radius = n

Diameter	42499876
Circumference	133517298.22008
Area	1.4186171545521E+15

Sphere

Radius = n

Volume	4.0194035439957E+22
Surface area	5.6744686182083E+15
Circumference	133517298.22008

Square

Length = n

Perimeter	84999752
Area	451559865003844
Diagonal	30051950.519187

Cube

Length = n

Surface area	2709359190023064
Volume	9.5956191346201E+21
Space diagonal	36805972.273689

Equilateral Triangle

Length = n

Perimeter	63749814
Area	1.955311572114E+14
Altitude	18402986.136844

Triangular Pyramid

Length = n

Surface area	1.955311572114E+14
Volume	1.1308545599622E+21
Height	10017316.839729