66491421 (number)

66491421 is an odd 8-digits composite number following 66491420 and preceding 66491422. In scientific notation, it is written as 6.6491421 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 44327612 positive integers (up to 66491421) that are relatively prime to 66491421.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.6491421 × 10^7
Engineering notation 6.6491421 × 10^6

Prime Factorization of 66491421

Prime Factorization 3 × 22163807

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 66491421
Product of the distinct prime numbers

The prime factorization of 66491421 is 3 × 22163807. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 5, 9, 66, 882, 64, 8252, 4439, 15333, 52802, 964154, 626052, 1334689, 8620939, 48217315, 15499510, 276073143, 293496301, 6966834284, 6767177807

Basic calculations (n = 66491421)

Multiplication

n×y
n×2 132982842
n×3 199474263
n×4 265965684
n×5 332457105

Division

n÷y
n÷2 33245710.5
n÷3 22163807
n÷3 16622855.25
n÷5 13298284.2

Exponentiation

ny
n2 4421109066599241
n3 2.9396582423417E+23
n4 1.9546205378766E+31
n5 1.299654970792E+39

Nth Root

y√n
2√n 8154.2271859447
3√n 405.12452808366
4√n 90.300759608902
5√n 36.690457145199

Divisors of 66491421

1, 3, 22163807, 66491421

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 -66491420
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 66491421 can be divided by 4 positive divisors. The sum of these divisors (counting 66491421) is 1, the average is 0.25.

Base conversion 66491421

Base System Value
2 Binary 11111101101001010000011101
3 Ternary 11122010010002020
4 Quaternary 3331221100131
5 Quinary 114010211141
6 Senary 10333050353
8 Octal 375512035
10 Decimal 66491421
12 Duodecimal 1a3269b9
16 Hexadecimal 3f6941d
20 Vigesimal 10fb8b1
36 Base36 13l53x

Cryptographic Hash Functions

md5 95fe4b8b734b5c14659d1d44f3e2c458
sha1 4ca95add463ed4a48cb0fefc1b920ff6fac971ab
sha256 4c39f1587cc0daa23c7dc0727226af83681c879c11bbf28b2cbaa2447489daec
sha512 d259452b388320e5ba6c0a823bd56e216e2b4b6d9f82754ee809ce615872c392e56218470303a21e4640aca10c7cb5fe9a20dd6de5e7680bf754e87cfd23dfc7
ripemd-160 a1f2f5bbd87fd2b0909fe18e9b2f1b1dae8df95b

66491421 as geometric shapes

Circle

Radius = n
Diameter 132982842
Circumference 417777919.48069
Area 1.3889323764347E+16

Sphere

Radius = n
Volume 1.231361165094E+24
Surface area 5.555729505739E+16
Circumference 417777919.48069

Square

Length = n
Perimeter 265965684
Area 4421109066599241
Diagonal 94033069.359659

Cube

Length = n
Surface area 26526654399595446
Volume 2.9396582423417E+23
Space diagonal 115166519.43945

Equilateral Triangle

Length = n
Perimeter 199474263
Area 1.9143963822883E+15
Altitude 57583259.719726

Triangular Pyramid

Length = n
Surface area 1.9143963822883E+15
Volume 3.4644204625512E+22
Height 31344356.45322