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

21091395 (number)

21091395 is an odd 8-digits composite number following 21091394 and preceding 21091396. In scientific notation, it is written as 2.1091395 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 10383360 positive integers (up to 21091395) that are relatively prime to 21091395.

Interesting facts

21091395 has 16 divisors, whose sum is 36342432
The reverse of 21091395 is 59319012
Previous prime number is 13

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3

Name

Name	twenty-one million ninety-one thousand three hundred ninety-five

Notation

Scientific notation	2.1091395 × 10^7
Engineering notation	2.1091395 × 10^6

Prime Factorization of 21091395

Prime Factorization 5 × 3 × 13 × 108161

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	21091395	Product of the distinct prime numbers

The prime factorization of 21091395 is 5 × 3 × 13 × 108161. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 6, 17, 35, 689, 871, 7712, 236, 50996, 16288, 433697, 81040, 6595536, 4134494, 88230299, 3917703, 851006138, 854586183, 2832727656, 2281455691

Basic calculations (n = 21091395)

Multiplication

n×y

n×2	42182790
n×3	63274185
n×4	84365580
n×5	105456975

Division

n÷y

n÷2	10545697.5
n÷3	7030465
n÷3	5272848.75
n÷5	4218279

Exponentiation

n^y

n²	444846943046025
n³	9.3824425903262E+21
n⁴	1.9788880273739E+29
n⁵	4.1737509046114E+36

Nth Root

^y√n

²√n	4592.5368806358
³√n	276.29207947409
⁴√n	67.768258651346
⁵√n	29.162252170092

Divisors of 21091395

1, 3, 5, 13, 15, 39, 65, 195, 108161, 324483, 540805, 1406093, 1622415, 4218279, 7030465, 21091395

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	-21091394	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 21091395 can be divided by 16 positive divisors. The sum of these divisors (counting 21091395) is 1, the average is 0.0625.

Base conversion 21091395

Base	System	Value
2	Binary	1010000011101010001000011
3	Ternary	1110200112221210
4	Quaternary	1100131101003
5	Quinary	20344411040
6	Senary	2032021203
8	Octal	120352103
10	Decimal	21091395
12	Duodecimal	7091803
16	Hexadecimal	141d443
20	Vigesimal	6bg89f
36	Base36	ck283

Cryptographic Hash Functions

md5	339cbf141bfccf1ac906cc6cf37e2147
sha1	3753fc825b10bd4b9ceb331101ce88db18645838
sha256	10f04449ae57ff1d1815faeaeb584f2d288cbb74ffe63e8fa25a9835ef10c6f9
sha512	0cb79bd399c1140c3c4715dfc8cb4d37a11e0b04b88184a4a3f660676d53a50760eb90019d3384339447bfa294d18d5d65fd9a907645f6efd41289ba6e04ace8
ripemd-160	32f54f8fba4f77ff240367e7ec1d1b57a016e4e6

21091395 as geometric shapes

Circle

Radius = n

Diameter	42182790
Circumference	132521143.17192
Area	1.3975278882453E+15

Sphere

Radius = n

Volume	3.9301083619329E+22
Surface area	5.5901115529811E+15
Circumference	132521143.17192

Square

Length = n

Perimeter	84365580
Area	444846943046025
Diagonal	29827736.858368

Cube

Length = n

Surface area	2669081658276150
Volume	9.3824425903262E+21
Space diagonal	36531367.742504

Equilateral Triangle

Length = n

Perimeter	63274185
Area	1.9262437673685E+14
Altitude	18265683.871252

Triangular Pyramid

Length = n

Surface area	1.9262437673685E+14
Volume	1.1057314632855E+21
Height	9942578.9527894