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

21291253 (number)

21291253 is an odd 8-digits composite number following 21291252 and preceding 21291254. In scientific notation, it is written as 2.1291253 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 20999520 positive integers (up to 21291253) that are relatively prime to 21291253.

Interesting facts

21291253 has 4 divisors, whose sum is 21582988
The reverse of 21291253 is 35219212
Previous prime number is 73

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7

Name

Name	twenty-one million two hundred ninety-one thousand two hundred fifty-three

Notation

Scientific notation	2.1291253 × 10^7
Engineering notation	2.1291253 × 10^6

Prime Factorization of 21291253

Prime Factorization 73 × 291661

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21291253	Product of the distinct prime numbers

The prime factorization of 21291253 is 73 × 291661. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 7, 33, 38, 288, 832, 11, 4259, 43589, 84946, 97493, 664163, 9620, 2373153, 3759979, 6293003, 582302981, 907144931, 4377905987, 6680185786

Basic calculations (n = 21291253)

Multiplication

n×y

n×2	42582506
n×3	63873759
n×4	85165012
n×5	106456265

Division

n÷y

n÷2	10645626.5
n÷3	7097084.3333333
n÷3	5322813.25
n÷5	4258250.6

Exponentiation

n^y

n²	453317454310009
n³	9.6516966090303E+21
n⁴	2.0549671438211E+29
n⁵	4.3752825365782E+36

Nth Root

^y√n

²√n	4614.2445752257
³√n	277.16203424937
⁴√n	67.928231062098
⁵√n	29.217311050653

Divisors of 21291253

1, 73, 291661, 21291253

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	-21291252	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 21291253 can be divided by 4 positive divisors. The sum of these divisors (counting 21291253) is 1, the average is 0.25.

Base conversion 21291253

Base	System	Value
2	Binary	1010001001110000011110101
3	Ternary	1111001201002221
4	Quaternary	1101032003311
5	Quinary	20422310003
6	Senary	2040202341
8	Octal	121160365
10	Decimal	21291253
12	Duodecimal	71693b1
16	Hexadecimal	144e0f5
20	Vigesimal	6d182d
36	Base36	cocfp

Cryptographic Hash Functions

md5	dd55262a2c930d915810866290ee1d7a
sha1	35db49a18a1599d69c17594a8731fbb139957070
sha256	d96dda4205a38a43ec05da989fbb458c9ab96cd7d961d21fbbbcffc8bc4bb209
sha512	550bc69b2bae521a350ef2b963f70bece7ad17852186d269e5f22dac1a8db838b27ab96ac345305e9f1af7d91c6187608bbe7580be4afc1877aae7ccd656a43a
ripemd-160	e86d3d2a4c1ab1d52f419b4c10d6a2d64b325f52

21291253 as geometric shapes

Circle

Radius = n

Diameter	42582506
Circumference	133776888.02104
Area	1.4241387842044E+15

Sphere

Radius = n

Volume	4.0428932215476E+22
Surface area	5.6965551368174E+15
Circumference	133776888.02104

Square

Length = n

Perimeter	85165012
Area	453317454310009
Diagonal	30110378.752517

Cube

Length = n

Surface area	2719904725860054
Volume	9.6516966090303E+21
Space diagonal	36877531.952803

Equilateral Triangle

Length = n

Perimeter	63873759
Area	1.9629221570568E+14
Altitude	18438765.976402

Triangular Pyramid

Length = n

Surface area	1.9629221570568E+14
Volume	1.1374633537001E+21
Height	10036792.917506