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

66421 (number)

66421 is an odd 5-digits composite number following 66420 and preceding 66422. In scientific notation, it is written as 6.6421 × 10^4. The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors. There are 65772 positive integers (up to 66421) that are relatively prime to 66421.

Interesting facts

66421 has 4 divisors, whose sum is 67072
The reverse of 66421 is 12466
Previous prime number is 127

Basic properties

Is Prime? no
Number parity odd
Number length 5
Sum of Digits 19
Digital Root 1

Name

Name	sixty-six thousand four hundred twenty-one

Notation

Scientific notation	6.6421 × 10^4
Engineering notation	6.6421 × 10^3

Prime Factorization of 66421

Prime Factorization 127 × 523

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	66421	Product of the distinct prime numbers

The prime factorization of 66421 is 127 × 523. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 8, 23, 10, 231, 618, 6468, 2258, 87156, 69780, 22040, 67352, 6208641, 8628210, 96150991, 51519341, 310569436, 964372504, 4453608894, 678369795

Basic calculations (n = 66421)

Multiplication

n×y

n×2	132842
n×3	199263
n×4	265684
n×5	332105

Division

n÷y

n÷2	33210.5
n÷3	22140.333333333
n÷3	16605.25
n÷5	13284.2

Exponentiation

n^y

n²	4411749241
n³	293032796336461
n⁴	1.9463531365464E+19
n⁵	1.2927872168255E+24

Nth Root

^y√n

²√n	257.72271921583
³√n	40.498145522971
⁴√n	16.053744710061
⁵√n	9.2142731400957

Divisors of 66421

1, 127, 523, 66421

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	-66420	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 66421 can be divided by 4 positive divisors. The sum of these divisors (counting 66421) is 1, the average is 0.25.

Base conversion 66421

Base	System	Value
2	Binary	10000001101110101
3	Ternary	10101010001
4	Quaternary	100031311
5	Quinary	4111141
6	Senary	1231301
8	Octal	201565
10	Decimal	66421
12	Duodecimal	32531
16	Hexadecimal	10375
20	Vigesimal	8611
36	Base36	1f91

Cryptographic Hash Functions

md5	aad13efa34917f71b03a268c3fa6a40a
sha1	600f90f029223cf0cb409ca8339884d53944d0c3
sha256	d8a096ae885383d8602b0eb4528ffb282de82f60073acc9ea0264b2ab722d5a6
sha512	93adff0fb6b0b6b379a38fbfe885a8135385e5f29929165efb544db6fe39ee6574ac049f070bf2675558ccba76027355cd5c91eecbd532dc7a7fe39e74b5bfca
ripemd-160	5466a28b28ad095df7191ef760c274dbd33c0d29

66421 as geometric shapes

Circle

Radius = n

Diameter	132842
Circumference	417335.45128818
Area	13859919005.006

Sphere

Radius = n

Volume	1.2274529069753E+15
Surface area	55439676020.024
Circumference	417335.45128818

Square

Length = n

Perimeter	265684
Area	4411749241
Diagonal	93933.479026383

Cube

Length = n

Surface area	26470495446
Volume	293032796336461
Space diagonal	115044.54668953

Equilateral Triangle

Length = n

Perimeter	199263
Area	1910343458.9164
Altitude	57522.273344766

Triangular Pyramid

Length = n

Surface area	1910343458.9164
Volume	34534246233261
Height	31311.159675461