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

21490818 (number)

21490818 is an even 8-digits composite number following 21490817 and preceding 21490819. In scientific notation, it is written as 2.1490818 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 7163604 positive integers (up to 21490818) that are relatively prime to 21490818.

Interesting facts

21490818 has 8 divisors, whose sum is 42981648
The reverse of 21490818 is 81809412
Previous prime number is 3

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6

Name

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

Notation

Scientific notation	2.1490818 × 10^7
Engineering notation	2.1490818 × 10^6

Prime Factorization of 21490818

Prime Factorization 2 × 3 × 3581803

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21490818	Product of the distinct prime numbers

The prime factorization of 21490818 is 2 × 3 × 3581803. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 7, 49, 37, 888, 771, 9937, 8318, 11530, 19418, 885062, 544267, 8091470, 7698177, 27646127, 58596270, 894416964, 510368005, 9611401203, 8496644825

Basic calculations (n = 21490818)

Multiplication

n×y

n×2	42981636
n×3	64472454
n×4	85963272
n×5	107454090

Division

n÷y

n÷2	10745409
n÷3	7163606
n÷3	5372704.5
n÷5	4298163.6

Exponentiation

n^y

n²	461855258309124
n³	9.9256472986644E+21
n⁴	2.1331027962779E+29
n⁵	4.5842123970099E+36

Nth Root

^y√n

²√n	4635.8190214891
³√n	278.02529832056
⁴√n	68.086849108246
⁵√n	29.27187819083

Divisors of 21490818

1, 2, 3, 6, 3581803, 7163606, 10745409, 21490818

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	-21490817	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 21490818 can be divided by 8 positive divisors. The sum of these divisors (counting 21490818) is 1, the average is 0.125.

Base conversion 21490818

Base	System	Value
2	Binary	1010001111110110010000010
3	Ternary	1111102211212020
4	Quaternary	1101332302002
5	Quinary	21000201233
6	Senary	2044342310
8	Octal	121766202
10	Decimal	21490818
12	Duodecimal	7244996
16	Hexadecimal	147ec82
20	Vigesimal	6e670i
36	Base36	csmf6

Cryptographic Hash Functions

md5	d1650caf481d5df0a273ac09afdd5652
sha1	28e4068e0e605363b9f4ddca03a16cc0c3ca6447
sha256	9db19882c8896a04078e6184f8985c5b542b35488825d837fe32939f0e592f7b
sha512	98a038ba2751be6cdebf27bceba5dff5e73f02df2f410828328e5f893e64a11b5d7b9da887be6e60d3b35e113ae589736df9d62e81bce7e61cf21d3de0edf412
ripemd-160	30156c637ce6db98b96518b9ccaa030b01711f88

21490818 as geometric shapes

Circle

Radius = n

Diameter	42981636
Circumference	135030791.89687
Area	1.4509610865258E+15

Sphere

Radius = n

Volume	4.157645418081E+22
Surface area	5.803844346103E+15
Circumference	135030791.89687

Square

Length = n

Perimeter	85963272
Area	461855258309124
Diagonal	30392606.282092

Cube

Length = n

Surface area	2771131549854744
Volume	9.9256472986644E+21
Space diagonal	37223188.672216

Equilateral Triangle

Length = n

Perimeter	64472454
Area	1.9998919328356E+14
Altitude	18611594.336108

Triangular Pyramid

Length = n

Surface area	1.9998919328356E+14
Volume	1.1697487520919E+21
Height	10130868.760697