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

21291268 (number)

21291268 is an even 8-digits composite number following 21291267 and preceding 21291269. In scientific notation, it is written as 2.1291268 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors. There are 10636200 positive integers (up to 21291268) that are relatively prime to 21291268.

Interesting facts

21291268 has 12 divisors, whose sum is 37292752
The reverse of 21291268 is 86219212
Previous prime number is 1867

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	twenty-one million two hundred ninety-one thousand two hundred sixty-eight

Notation

Scientific notation	2.1291268 × 10^7
Engineering notation	2.1291268 × 10^6

Prime Factorization of 21291268

Prime Factorization 2 × 2 × 1867 × 2851

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	10645634	Product of the distinct prime numbers

The prime factorization of 21291268 is 2 × 2 × 1867 × 2851. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 7, 73, 30, 722, 15, 9770, 7790, 82424, 12625, 705529, 147136, 6340445, 5089375, 42803375, 68246536, 970092389, 606092198, 9173186788, 9886753314

Basic calculations (n = 21291268)

Multiplication

n×y

n×2	42582536
n×3	63873804
n×4	85165072
n×5	106456340

Division

n÷y

n÷2	10645634
n÷3	7097089.3333333
n÷3	5322817
n÷5	4258253.6

Exponentiation

n^y

n²	453318093047824
n³	9.6517170083302E+21
n⁴	2.0549729348452E+29
n⁵	4.3752979488535E+36

Nth Root

^y√n

²√n	4614.2462006269
³√n	277.16209933759
⁴√n	67.928243026203
⁵√n	29.217315167456

Divisors of 21291268

1, 2, 4, 1867, 2851, 3734, 5702, 7468, 11404, 5322817, 10645634, 21291268

12 divisors

τ	Total Divisors	12	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21291267	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.083333333333333	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	12	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21291268 can be divided by 12 positive divisors. The sum of these divisors (counting 21291268) is 1, the average is 0.083333333333333.

Base conversion 21291268

Base	System	Value
2	Binary	1010001001110000100000100
3	Ternary	1111001201010111
4	Quaternary	1101032010010
5	Quinary	20422310033
6	Senary	2040202404
8	Octal	121160404
10	Decimal	21291268
12	Duodecimal	7169404
16	Hexadecimal	144e104
20	Vigesimal	6d1838
36	Base36	cocg4

Cryptographic Hash Functions

md5	6ac9058d3793286777ce15380b1af801
sha1	ec84cb780cf1ce9cdf7a2e533629fa1bdb09d3d4
sha256	088fb54123c73f24a9ef79eba65061ea98e70deb2b783eabce36d7c790627657
sha512	67c92c4a96492365a4e2219cb976da13c19f6a01530d26ccf011700f132ff3972031181aa48e1e6fa0bc76818671c66226ebf599056efa17f3f875b55074273d
ripemd-160	dbc66054b49a98f8ba9d32ddf2c38f1929523855

21291268 as geometric shapes

Circle

Radius = n

Diameter	42582536
Circumference	133776982.26882
Area	1.4241407908584E+15

Sphere

Radius = n

Volume	4.0429017663864E+22
Surface area	5.6965631634335E+15
Circumference	133776982.26882

Square

Length = n

Perimeter	85165072
Area	453318093047824
Diagonal	30110399.96572

Cube

Length = n

Surface area	2719908558286944
Volume	9.6517170083302E+21
Space diagonal	36877557.933565

Equilateral Triangle

Length = n

Perimeter	63873804
Area	1.9629249228727E+14
Altitude	18438778.966783

Triangular Pyramid

Length = n

Surface area	1.9629249228727E+14
Volume	1.1374657577806E+21
Height	10036799.988573