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

21490869 (number)

21490869 is an odd 8-digits composite number following 21490868 and preceding 21490870. In scientific notation, it is written as 2.1490869 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 14327244 positive integers (up to 21490869) that are relatively prime to 21490869.

Interesting facts

21490869 has 4 divisors, whose sum is 28654496
The reverse of 21490869 is 96809412
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3

Name

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

Notation

Scientific notation	2.1490869 × 10^7
Engineering notation	2.1490869 × 10^6

Prime Factorization of 21490869

Prime Factorization 3 × 7163623

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21490869	Product of the distinct prime numbers

The prime factorization of 21490869 is 3 × 7163623. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 5, 96, 7, 907, 644, 2719, 4403, 22718, 91402, 612473, 15132, 753236, 7862871, 36057163, 24295258, 265834765, 770408068, 3096309042, 6546123806

Basic calculations (n = 21490869)

Multiplication

n×y

n×2	42981738
n×3	64472607
n×4	85963476
n×5	107454345

Division

n÷y

n÷2	10745434.5
n÷3	7163623
n÷3	5372717.25
n÷5	4298173.8

Exponentiation

n^y

n²	461857450375161
n³	9.9257179626866E+21
n⁴	2.1331230446704E+29
n⁵	4.5842667913894E+36

Nth Root

^y√n

²√n	4635.824522132
³√n	278.02551824827
⁴√n	68.086889502546
⁵√n	29.271892083874

Divisors of 21490869

1, 3, 7163623, 21490869

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21490868	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21490869 can be divided by 4 positive divisors. The sum of these divisors (counting 21490869) is 1, the average is 0.25.

Base conversion 21490869

Base	System	Value
2	Binary	1010001111110110010110101
3	Ternary	1111102211221010
4	Quaternary	1101332302311
5	Quinary	21000201434
6	Senary	2044342433
8	Octal	121766265
10	Decimal	21490869
12	Duodecimal	7244a19
16	Hexadecimal	147ecb5
20	Vigesimal	6e6739
36	Base36	csmgl

Cryptographic Hash Functions

md5	e204a8fdae79fd1f426b2df853e5c207
sha1	3a0961839b2abacd8eb5682d060a2499d53ff3cf
sha256	3d0d4f626eb36e5b5fabbfe79bb13d1314a56358daf6d57c4b8a2cb690b28af5
sha512	14469cfd7f6bb3eefb673cca1afd5b9b57895742d831df3546f3e3c9375faaefe95cf2b0034fde75a642c1f0eb10c54c484b11cf3d5ea7143621c7d6b3523e5b
ripemd-160	32a32ca8d7d8218e728d3d6e31854e80c0bf779e

21490869 as geometric shapes

Circle

Radius = n

Diameter	42981738
Circumference	135031112.33932
Area	1.4509679731043E+15

Sphere

Radius = n

Volume	4.1576750177574E+22
Surface area	5.8038718924173E+15
Circumference	135031112.33932

Square

Length = n

Perimeter	85963476
Area	461857450375161
Diagonal	30392678.406984

Cube

Length = n

Surface area	2771144702250966
Volume	9.9257179626866E+21
Space diagonal	37223277.006807

Equilateral Triangle

Length = n

Perimeter	64472607
Area	1.99990142476E+14
Altitude	18611638.503403

Triangular Pyramid

Length = n

Surface area	1.99990142476E+14
Volume	1.1697570799268E+21
Height	10130892.802328