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

21031490 (number)

21031490 is an even 8-digits composite number following 21031489 and preceding 21031491. In scientific notation, it is written as 2.1031490 × 10^7. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 8412592 positive integers (up to 21031490) that are relatively prime to 21031490.

Interesting facts

21031490 has 8 divisors, whose sum is 37856700
The reverse of 21031490 is 09413012
Previous prime number is 5

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2

Name

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

Notation

Scientific notation	2.1031490 × 10^7
Engineering notation	2.1031490 × 10^6

Prime Factorization of 21031490

Prime Factorization 2 × 5 × 2103149

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21031490	Product of the distinct prime numbers

The prime factorization of 21031490 is 2 × 5 × 2103149. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 8, 76, 87, 830, 864, 2689, 7596, 80110, 51891, 28918, 473780, 5910517, 8128161, 17564918, 43007519, 290618480, 114400748, 5192835745, 7357345779

Basic calculations (n = 21031490)

Multiplication

n×y

n×2	42062980
n×3	63094470
n×4	84125960
n×5	105157450

Division

n÷y

n÷2	10515745
n÷3	7010496.6666667
n÷3	5257872.5
n÷5	4206298

Exponentiation

n^y

n²	442323571620100
n³	9.3027237732924E+21
n⁴	1.9565014201076E+29
n⁵	4.1148140051979E+36

Nth Root

^y√n

²√n	4586.0102485712
³√n	276.03025118253
⁴√n	67.720087482011
⁵√n	29.145667654583

Divisors of 21031490

1, 2, 5, 10, 2103149, 4206298, 10515745, 21031490

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	-21031489	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 21031490 can be divided by 8 positive divisors. The sum of these divisors (counting 21031490) is 1, the average is 0.125.

Base conversion 21031490

Base	System	Value
2	Binary	1010000001110101001000010
3	Ternary	1110120111210002
4	Quaternary	1100032221002
5	Quinary	20341001430
6	Senary	2030440002
8	Octal	120165102
10	Decimal	21031490
12	Duodecimal	7063002
16	Hexadecimal	140ea42
20	Vigesimal	6b8iea
36	Base36	cis02

Cryptographic Hash Functions

md5	6385f43b4503c088041ebd0e0a726511
sha1	7f7db1d9d8b8a68a3659ca37b8480a6c97e534e0
sha256	0f2d9daa7fa05b0d3c4d5ccacee919c0def8a2dfbb582e8598ab5327507de700
sha512	b18ec06e51b14579d99a86e4101567c3dd25bdb2aad378d7377f3bff286768b6b8cf52f462207dfbaa87f2d77ff4b89aaed3e4b5e8845a8b76f9f60cbf31f2af
ripemd-160	df2ac2779c1398b25e3135ab57d374b5b46ef898

21031490 as geometric shapes

Circle

Radius = n

Diameter	42062980
Circumference	132144748.95609
Area	1.3896004831113E+15

Sphere

Radius = n

Volume	3.8967158219401E+22
Surface area	5.5584019324452E+15
Circumference	132144748.95609

Square

Length = n

Perimeter	84125960
Area	442323571620100
Diagonal	29743018.394914

Cube

Length = n

Surface area	2653941429720600
Volume	9.3027237732924E+21
Space diagonal	36427609.238877

Equilateral Triangle

Length = n

Perimeter	63094470
Area	1.9153172485784E+14
Altitude	18213804.619438

Triangular Pyramid

Length = n

Surface area	1.9153172485784E+14
Volume	1.0963365106001E+21
Height	9914339.4649714