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

21490820 (number)

21490820 is an even 8-digits composite number following 21490819 and preceding 21490821. In scientific notation, it is written as 2.1490820 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 12 positive divisors. There are 7934976 positive integers (up to 21490820) that are relatively prime to 21490820.

Interesting facts

21490820 has 12 divisors, whose sum is 38187996
The reverse of 21490820 is 02809412
Previous prime number is 65

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8

Name

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

Notation

Scientific notation	2.1490820 × 10^7
Engineering notation	2.1490820 × 10^6

Prime Factorization of 21490820

Prime Factorization 2 × 2 × 65 × 82657

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	10745410	Product of the distinct prime numbers

The prime factorization of 21490820 is 2 × 2 × 65 × 82657. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 10, 37, 14, 871, 156, 266, 3714, 31903, 63406, 569116, 56396, 1463547, 3341421, 40421535, 14921630, 424156715, 33164821, 2089660771, 7243542007

Basic calculations (n = 21490820)

Multiplication

n×y

n×2	42981640
n×3	64472460
n×4	85963280
n×5	107454100

Division

n÷y

n÷2	10745410
n÷3	7163606.6666667
n÷3	5372705
n÷5	4298164

Exponentiation

n^y

n²	461855344272400
n³	9.9256500697962E+21
n⁴	2.1331035903298E+29
n⁵	4.5842145301131E+36

Nth Root

^y√n

²√n	4635.8192372007
³√n	278.02530694519
⁴√n	68.086850692338
⁵√n	29.271878735656

Divisors of 21490820

1, 2, 4, 65, 130, 260, 82657, 165314, 330628, 5372705, 10745410, 21490820

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	-21490819	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 21490820 can be divided by 12 positive divisors. The sum of these divisors (counting 21490820) is 1, the average is 0.083333333333333.

Base conversion 21490820

Base	System	Value
2	Binary	1010001111110110010000100
3	Ternary	1111102211212022
4	Quaternary	1101332302010
5	Quinary	21000201240
6	Senary	2044342312
8	Octal	121766204
10	Decimal	21490820
12	Duodecimal	7244998
16	Hexadecimal	147ec84
20	Vigesimal	6e6710
36	Base36	csmf8

Cryptographic Hash Functions

md5	1132a88beeb3cd1ac7c69d79276d6340
sha1	3b450e29e763cf567c7e9d55a4218ee70b9ea8b6
sha256	b15623491ec8d5127e8cf981520d8347b7855a555a70b9b52f3cdc0adae577cd
sha512	730c6e4b379b2c034b3a5bcdb42efa18fbf4cd1b266b9dbb72053a0a3253357ece040f581d97b4004ae1d2ba85de3f8f119069f86c4b38db0657045aa771b403
ripemd-160	eece9a0f990709d9bf5d9c6ab38ec98b127f6a0d

21490820 as geometric shapes

Circle

Radius = n

Diameter	42981640
Circumference	135030804.46324
Area	1.4509613565874E+15

Sphere

Radius = n

Volume	4.15764657885E+22
Surface area	5.8038454263494E+15
Circumference	135030804.46324

Square

Length = n

Perimeter	85963280
Area	461855344272400
Diagonal	30392609.110519

Cube

Length = n

Surface area	2771132065634400
Volume	9.9256500697962E+21
Space diagonal	37223192.136317

Equilateral Triangle

Length = n

Perimeter	64472460
Area	1.9998923050675E+14
Altitude	18611596.068159

Triangular Pyramid

Length = n

Surface area	1.9998923050675E+14
Volume	1.1697490786729E+21
Height	10130869.703506