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

66921421 (number)

66921421 is an odd 8-digits composite number following 66921420 and preceding 66921422. In scientific notation, it is written as 6.6921421 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 54867120 positive integers (up to 66921421) that are relatively prime to 66921421.

Interesting facts

66921421 has 4 divisors, whose sum is 67337244
The reverse of 66921421 is 12412966
Previous prime number is 161

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	sixty-six million nine hundred twenty-one thousand four hundred twenty-one

Notation

Scientific notation	6.6921421 × 10^7
Engineering notation	6.6921421 × 10^6

Prime Factorization of 66921421

Prime Factorization 161 × 415661

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	66921421	Product of the distinct prime numbers

The prime factorization of 66921421 is 161 × 415661. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 1, 91, 21, 739, 691, 3644, 261, 27823, 24451, 519340, 785991, 3502127, 2369761, 3985408, 21959392, 211195984, 159831827, 7392209325, 1046297509

Basic calculations (n = 66921421)

Multiplication

n×y

n×2	133842842
n×3	200764263
n×4	267685684
n×5	334607105

Division

n÷y

n÷2	33460710.5
n÷3	22307140.333333
n÷3	16730355.25
n÷5	13384284.2

Exponentiation

n^y

n²	4478476588659241
n³	2.9970601722831E+23
n⁴	2.0056752555169E+31
n⁵	1.3422263816373E+39

Nth Root

^y√n

²√n	8180.5513872844
³√n	405.99596564702
⁴√n	90.446400632001
⁵√n	36.737790296771

Divisors of 66921421

1, 161, 415661, 66921421

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	-66921420	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 66921421 can be divided by 4 positive divisors. The sum of these divisors (counting 66921421) is 1, the average is 0.25.

Base conversion 66921421

Base	System	Value
2	Binary	11111111010010001111001101
3	Ternary	11122220221221011
4	Quaternary	3333102033031
5	Quinary	114112441141
6	Senary	10350205221
8	Octal	377221715
10	Decimal	66921421
12	Duodecimal	1a4b3811
16	Hexadecimal	3fd23cd
20	Vigesimal	10i53b1
36	Base36	13ucwd

Cryptographic Hash Functions

md5	a9a1a64e9a024cd418c74b43c38dfd1a
sha1	248c0ffdcfe662c0d5da00102f1a78dc6482ef1e
sha256	391f2243b586ed39cd025069316c808d91f64047dd04757565fc24048a68e7f5
sha512	11971fe922611f8d6ca30d037e60b33e3a66be4ea31c2265952f66e58ab9b3170f0ee2774a93d1a76b8c6a24483913854744c6793624b6e93fcb7d4cd23bafcb
ripemd-160	b0d627db07834df4cb4be43adf210d085d8516e4

66921421 as geometric shapes

Circle

Radius = n

Diameter	133842842
Circumference	420479689.16278
Area	1.4069549150206E+16

Sphere

Radius = n

Volume	1.2554056292815E+24
Surface area	5.6278196600823E+16
Circumference	420479689.16278

Square

Length = n

Perimeter	267685684
Area	4478476588659241
Diagonal	94641181.19148

Cube

Length = n

Surface area	26870859531955446
Volume	2.9970601722831E+23
Space diagonal	115911301.28671

Equilateral Triangle

Length = n

Perimeter	200764263
Area	1.9392372480164E+15
Altitude	57955650.643353

Triangular Pyramid

Length = n

Surface area	1.9392372480164E+15
Volume	3.5320692857425E+22
Height	31547060.39716