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

21490181 (number)

21490181 is an odd 8-digits prime number following 21490180 and preceding 21490182. In scientific notation, it is written as 2.1490181 × 10^7. The sum of its digits is 26. It has a total of 1 prime factors and 2 positive divisors. There are 21490180 positive integers (up to 21490181) that are relatively prime to 21490181.

Interesting facts

21490181 has 2 divisors, whose sum is 21490182
The reverse of 21490181 is 18109412
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8

Name

Name	twenty-one million four hundred ninety thousand one hundred eighty-one

Notation

Scientific notation	2.1490181 × 10^7
Engineering notation	2.1490181 × 10^6

Prime Factorization of 21490181

Prime Factorization 21490181

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	21490181	Product of the distinct prime numbers

The prime factorization of 21490181 is 21490181. Since it has a total of 1 prime factors.

Most popular turbo-numbers

9, 1, 34, 29, 608, 950, 1309, 5185, 82988, 47810, 568297, 512222, 2266321, 6873652, 38261795, 12065234, 294307715, 5507194, 1567599627, 4406215300

Basic calculations (n = 21490181)

Multiplication

n×y

n×2	42980362
n×3	64470543
n×4	85960724
n×5	107450905

Division

n÷y

n÷2	10745090.5
n÷3	7163393.6666667
n÷3	5372545.25
n÷5	4298036.2

Exponentiation

n^y

n²	461827879412761
n³	9.9247647194264E+21
n⁴	2.1328499020289E+29
n⁵	4.5835330440433E+36

Nth Root

^y√n

²√n	4635.7503168311
³√n	278.02255135106
⁴√n	68.086344569459
⁵√n	29.271704661768

Divisors of 21490181

1, 21490181

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	21490182	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10745091	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4635.7504246885	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999069342	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21490181 can be divided by 2 positive divisors. The sum of these divisors (counting 21490181) is 21490182, the average is 10745091.

Base conversion 21490181

Base	System	Value
2	Binary	1010001111110101000000101
3	Ternary	1111102210222122
4	Quaternary	1101332220011
5	Quinary	21000141211
6	Senary	2044335325
8	Octal	121765005
10	Decimal	21490181
12	Duodecimal	7244545
16	Hexadecimal	147ea05
20	Vigesimal	6e6591
36	Base36	cslxh

Cryptographic Hash Functions

md5	4d43f653a1d4da0390819268c3d3a477
sha1	96167443374b1f223f2a77cea76d5176e5c8505c
sha256	a40df8baa5d5d1d589ea6a0df4492d3b48458f471fd24f27f9e86be9e21bc6fd
sha512	c595e6723fc7d94d23a5466a29b32d79dc59f2a6a406daa7d61ba064d72583b5e03cc5da76ec71a8d2586ee7cfae132a199cabd23e6c670494da379439d68020
ripemd-160	e9481302a5c5a88542b98256af44bde1a2d0b37a

21490181 as geometric shapes

Circle

Radius = n

Diameter	42980362
Circumference	135026789.50783
Area	1.4508750731861E+15

Sphere

Radius = n

Volume	4.1572757241543E+22
Surface area	5.8035002927443E+15
Circumference	135026789.50783

Square

Length = n

Perimeter	85960724
Area	461827879412761
Diagonal	30391705.428053

Cube

Length = n

Surface area	2770967276476566
Volume	9.9247647194264E+21
Space diagonal	37222085.355851

Equilateral Triangle

Length = n

Perimeter	64470543
Area	1.9997733787367E+14
Altitude	18611042.677926

Triangular Pyramid

Length = n

Surface area	1.9997733787367E+14
Volume	1.1696447391312E+21
Height	10130568.476018