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

21252989 (number)

21252989 is an odd 8-digits composite number following 21252988 and preceding 21252990. In scientific notation, it is written as 2.1252989 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 20328924 positive integers (up to 21252989) that are relatively prime to 21252989.

Interesting facts

21252989 has 4 divisors, whose sum is 22177056
The reverse of 21252989 is 98925212
Previous prime number is 23

Basic properties

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

Name

Name	twenty-one million two hundred fifty-two thousand nine hundred eighty-nine

Notation

Scientific notation	2.1252989 × 10^7
Engineering notation	2.1252989 × 10^6

Prime Factorization of 21252989

Prime Factorization 23 × 924043

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21252989	Product of the distinct prime numbers

The prime factorization of 21252989 is 23 × 924043. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 9, 35, 24, 946, 189, 292, 6226, 55941, 18659, 364358, 647646, 5153610, 9802579, 55570259, 67734533, 605099473, 752087850, 9208337176, 1009621207

Basic calculations (n = 21252989)

Multiplication

n×y

n×2	42505978
n×3	63758967
n×4	85011956
n×5	106264945

Division

n÷y

n÷2	10626494.5
n÷3	7084329.6666667
n÷3	5313247.25
n÷5	4250597.8

Exponentiation

n^y

n²	451689541434121
n³	9.5997528555144E+21
n⁴	2.0402344184097E+29
n⁵	4.3361079651882E+36

Nth Root

^y√n

²√n	4610.096419816
³√n	276.99589892576
⁴√n	67.897690828304
⁵√n	29.206801798507

Divisors of 21252989

1, 23, 924043, 21252989

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	-21252988	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 21252989 can be divided by 4 positive divisors. The sum of these divisors (counting 21252989) is 1, the average is 0.25.

Base conversion 21252989

Base	System	Value
2	Binary	1010001000100101101111101
3	Ternary	1110222202121202
4	Quaternary	1101010231331
5	Quinary	20420043424
6	Senary	2035305245
8	Octal	121045575
10	Decimal	21252989
12	Duodecimal	714b225
16	Hexadecimal	1444b7d
20	Vigesimal	6cgc99
36	Base36	cniwt

Cryptographic Hash Functions

md5	9cb07a572eef20135f1d7d85c12b6b6d
sha1	290e15f740b4a53b117220ab0f4653bf03aec215
sha256	8f6447614902cc26fd056c5a0353d816d1b9b0000db8add99277030edbd71e08
sha512	1bc1c897ed9ee6dbeb91f30448583777ac79d9ac7b56e23aea3ff112cc0a03973afda83fb9f01750ee05831e3cb6c8f110781afabed6e45271dcab1ba1603d79
ripemd-160	2af18e8e2f02910ad3bdf283954288e29a5b208e

21252989 as geometric shapes

Circle

Radius = n

Diameter	42505978
Circumference	133536468.21845
Area	1.4190245450728E+15

Sphere

Radius = n

Volume	4.0211350729549E+22
Surface area	5.6760981802911E+15
Circumference	133536468.21845

Square

Length = n

Perimeter	85011956
Area	451689541434121
Diagonal	30056265.284766

Cube

Length = n

Surface area	2710137248604726
Volume	9.5997528555144E+21
Space diagonal	36811256.760702

Equilateral Triangle

Length = n

Perimeter	63758967
Area	1.9558730875285E+14
Altitude	18405628.380351

Triangular Pyramid

Length = n

Surface area	1.9558730875285E+14
Volume	1.1313417236415E+21
Height	10018755.094922