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

21542489 (number)

21542489 is an odd 8-digits composite number following 21542488 and preceding 21542490. In scientific notation, it is written as 2.1542489 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 20847540 positive integers (up to 21542489) that are relatively prime to 21542489.

Interesting facts

21542489 has 4 divisors, whose sum is 22237440
The reverse of 21542489 is 98424512
Previous prime number is 31

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8

Name

Name	twenty-one million five hundred forty-two thousand four hundred eighty-nine

Notation

Scientific notation	2.1542489 × 10^7
Engineering notation	2.1542489 × 10^6

Prime Factorization of 21542489

Prime Factorization 31 × 694919

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21542489	Product of the distinct prime numbers

The prime factorization of 21542489 is 31 × 694919. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 3, 35, 53, 694, 849, 5090, 299, 58669, 83197, 468356, 781170, 2725630, 9280460, 17004185, 72056813, 23677253, 565488824, 4283383734, 5981382139

Basic calculations (n = 21542489)

Multiplication

n×y

n×2	43084978
n×3	64627467
n×4	86169956
n×5	107712445

Division

n÷y

n÷2	10771244.5
n÷3	7180829.6666667
n÷3	5385622.25
n÷5	4308497.8

Exponentiation

n^y

n²	464078832315121
n³	9.9974131402813E+21
n⁴	2.1536916260297E+29
n⁵	4.6395878163136E+36

Nth Root

^y√n

²√n	4641.388693053
³√n	278.24794142233
⁴√n	68.127738059127
⁵√n	29.285940519094

Divisors of 21542489

1, 31, 694919, 21542489

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	-21542488	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 21542489 can be divided by 4 positive divisors. The sum of these divisors (counting 21542489) is 1, the average is 0.25.

Base conversion 21542489

Base	System	Value
2	Binary	1010010001011011001011001
3	Ternary	1111112110201222
4	Quaternary	1102023121121
5	Quinary	21003324424
6	Senary	2045421425
8	Octal	122133131
10	Decimal	21542489
12	Duodecimal	726a875
16	Hexadecimal	148b659
20	Vigesimal	6ecg49
36	Base36	ctqah

Cryptographic Hash Functions

md5	cba139effe744aa4a26b060bdee618d1
sha1	da662296f11f0247bcd24149367c38fd81b90d51
sha256	a19410bc519890953c0bce61c6308bf43b71a4533b1e926f383d92e850c3ff07
sha512	aaa6228b1bb4de8234de7410a70917961e52e463e9347d241088d7a7ff77615f41154de48600f3ff95892bb50f96545f0667952ed8ca9d7d33d54e5fa51c33da
ripemd-160	9b287110ed008301505e3bcc623df046b208bd93

21542489 as geometric shapes

Circle

Radius = n

Diameter	43084978
Circumference	135355450.36488
Area	1.4579466502877E+15

Sphere

Radius = n

Volume	4.1877066235213E+22
Surface area	5.8317866011509E+15
Circumference	135355450.36488

Square

Length = n

Perimeter	86169956
Area	464078832315121
Diagonal	30465680.111073

Cube

Length = n

Surface area	2784472993890726
Volume	9.9974131402813E+21
Space diagonal	37312685.469494

Equilateral Triangle

Length = n

Perimeter	64627467
Area	2.0095202907176E+14
Altitude	18656342.734747

Triangular Pyramid

Length = n

Surface area	2.0095202907176E+14
Volume	1.1782064376361E+21
Height	10155226.703691