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

21291261 (number)

21291261 is an odd 8-digits composite number following 21291260 and preceding 21291262. In scientific notation, it is written as 2.1291261 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 13576992 positive integers (up to 21291261) that are relatively prime to 21291261.

Interesting facts

21291261 has 8 divisors, whose sum is 29622720
The reverse of 21291261 is 16219212
Previous prime number is 23

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6

Name

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

Notation

Scientific notation	2.1291261 × 10^7
Engineering notation	2.1291261 × 10^6

Prime Factorization of 21291261

Prime Factorization 3 × 23 × 308569

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21291261	Product of the distinct prime numbers

The prime factorization of 21291261 is 3 × 23 × 308569. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 6, 24, 49, 358, 508, 6882, 461, 50132, 29849, 578419, 671856, 637365, 6481631, 40069588, 44909239, 657860582, 209827025, 3841520751, 6474196037

Basic calculations (n = 21291261)

Multiplication

n×y

n×2	42582522
n×3	63873783
n×4	85165044
n×5	106456305

Division

n÷y

n÷2	10645630.5
n÷3	7097087
n÷3	5322815.25
n÷5	4258252.2

Exponentiation

n^y

n²	453317794970121
n³	9.6517074886533E+21
n⁴	2.0549702323657E+29
n⁵	4.3752907564529E+36

Nth Root

^y√n

²√n	4614.2454421064
³√n	277.16206896309
⁴√n	67.928237442955
⁵√n	29.217313246282

Divisors of 21291261

1, 3, 23, 69, 308569, 925707, 7097087, 21291261

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21291260	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21291261 can be divided by 8 positive divisors. The sum of these divisors (counting 21291261) is 1, the average is 0.125.

Base conversion 21291261

Base	System	Value
2	Binary	1010001001110000011111101
3	Ternary	1111001201010020
4	Quaternary	1101032003331
5	Quinary	20422310021
6	Senary	2040202353
8	Octal	121160375
10	Decimal	21291261
12	Duodecimal	71693b9
16	Hexadecimal	144e0fd
20	Vigesimal	6d1831
36	Base36	cocfx

Cryptographic Hash Functions

md5	dc76e671296981826dc3d034be9fdb8e
sha1	787fe08b34df6380a422d86c884af0835df14286
sha256	ba900c3e69b15a47e57c1989b1c2a8658703eca796998c74290044f66d0f7780
sha512	e51c5e2700d8fc9415001df29aa349ef5b8d9ccdc0f413e320e560c9194e4a97b6efeabb571b2f5519aca57946afadd5a7855c1e4e1f29456ac54e660360dacd
ripemd-160	35a5335f2012a559b184d7eadd33a0ceb14bd9c4

21291261 as geometric shapes

Circle

Radius = n

Diameter	42582522
Circumference	133776938.28653
Area	1.4241398544197E+15

Sphere

Radius = n

Volume	4.0428977787935E+22
Surface area	5.6965594176786E+15
Circumference	133776938.28653

Square

Length = n

Perimeter	85165044
Area	453317794970121
Diagonal	30110390.066225

Cube

Length = n

Surface area	2719906769820726
Volume	9.6517074886533E+21
Space diagonal	36877545.80921

Equilateral Triangle

Length = n

Perimeter	63873783
Area	1.9629236321584E+14
Altitude	18438772.904605

Triangular Pyramid

Length = n

Surface area	1.9629236321584E+14
Volume	1.137464635876E+21
Height	10036796.688742