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

21490949 (number)

21490949 is an odd 8-digits composite number following 21490948 and preceding 21490950. In scientific notation, it is written as 2.1490949 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 21476364 positive integers (up to 21490949) that are relatively prime to 21490949.

Interesting facts

21490949 has 4 divisors, whose sum is 21505536
The reverse of 21490949 is 94909412
Previous prime number is 1663

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2

Name

Name	twenty-one million four hundred ninety thousand nine hundred forty-nine

Notation

Scientific notation	2.1490949 × 10^7
Engineering notation	2.1490949 × 10^6

Prime Factorization of 21490949

Prime Factorization 1663 × 12923

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21490949	Product of the distinct prime numbers

The prime factorization of 21490949 is 1663 × 12923. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 4, 83, 39, 947, 249, 4562, 6, 98752, 43283, 367421, 508804, 5106888, 5172327, 14888308, 11471209, 172454429, 790627594, 2122698534, 6504228174

Basic calculations (n = 21490949)

Multiplication

n×y

n×2	42981898
n×3	64472847
n×4	85963796
n×5	107454745

Division

n÷y

n÷2	10745474.5
n÷3	7163649.6666667
n÷3	5372737.25
n÷5	4298189.8

Exponentiation

n^y

n²	461860888920601
n³	9.9258288088873E+21
n⁴	2.1331548071453E+29
n⁵	4.5843521169464E+36

Nth Root

^y√n

²√n	4635.8331505782
³√n	278.02586323221
⁴√n	68.08695286601
⁵√n	29.27191387683

Divisors of 21490949

1, 1663, 12923, 21490949

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	-21490948	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 21490949 can be divided by 4 positive divisors. The sum of these divisors (counting 21490949) is 1, the average is 0.25.

Base conversion 21490949

Base	System	Value
2	Binary	1010001111110110100000101
3	Ternary	1111102212001002
4	Quaternary	1101332310011
5	Quinary	21000202244
6	Senary	2044343045
8	Octal	121766405
10	Decimal	21490949
12	Duodecimal	7244a85
16	Hexadecimal	147ed05
20	Vigesimal	6e6779
36	Base36	csmit

Cryptographic Hash Functions

md5	e8367894b04fa028fa999afe4c69c595
sha1	ffb9c23da01123802dbdf6b199d49f8c5324ec01
sha256	1cf3e11fddadb4ad6828403e71fc05ba986c535a1842aeecf987cefc36c191dc
sha512	5ec1194710d13b5122fb48a9be951c20fef8362729769c6d16c2f480185e73b0495fe82a79491263d0967de88c00e9d52acec2538a632c118646095764da5dd7
ripemd-160	2d2ed25a89619dc3430f97c05f2bfd7bf7cd4929

21490949 as geometric shapes

Circle

Radius = n

Diameter	42981898
Circumference	135031614.99415
Area	1.4509787756134E+15

Sphere

Radius = n

Volume	4.1577214489054E+22
Surface area	5.8039151024536E+15
Circumference	135031614.99415

Square

Length = n

Perimeter	85963796
Area	461860888920601
Diagonal	30392791.544069

Cube

Length = n

Surface area	2771165333523606
Volume	9.9258288088873E+21
Space diagonal	37223415.570872

Equilateral Triangle

Length = n

Perimeter	64472847
Area	1.9999163140985E+14
Altitude	18611707.785436

Triangular Pyramid

Length = n

Surface area	1.9999163140985E+14
Volume	1.1697701432768E+21
Height	10130930.51469