66996821 (number)

66996821 is an odd 8-digits composite number following 66996820 and preceding 66996822. In scientific notation, it is written as 6.6996821 × 10^7. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 66966432 positive integers (up to 66996821) that are relatively prime to 66996821.

Interesting facts

Basic properties

Name

Name sixty-six million nine hundred ninety-six thousand eight hundred twenty-one

Notation

Scientific notation 6.6996821 × 10^7
Engineering notation 6.6996821 × 10^6

Prime Factorization of 66996821

Prime Factorization 27997 × 2393

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 66996821
Product of the distinct prime numbers

The prime factorization of 66996821 is 27997 × 2393. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 66996821)

Multiplication

n×y
n×2 133993642
n×3 200990463
n×4 267987284
n×5 334984105

Division

n÷y
n÷2 33498410.5
n÷3 22332273.666667
n÷3 16749205.25
n÷5 13399364.2

Exponentiation

ny
n2 4488574024106041
n3 3.0072019043828E+23
n4 2.0147296769879E+31
n5 1.3498048353255E+39

Nth Root

y√n
2√n 8185.1585812371
3√n 406.14838623082
4√n 90.471866241595
5√n 36.746065021962

Divisors of 66996821

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 -66996820
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 66996821 can be divided by 4 positive divisors. The sum of these divisors (counting 66996821) is 1, the average is 0.25.

Base conversion 66996821

Base System Value
2 Binary 11111111100100101001010101
3 Ternary 11200001210100202
4 Quaternary 3333210221111
5 Quinary 114122344241
6 Senary 10351550245
8 Octal 377445125
10 Decimal 66996821
12 Duodecimal 1a52b385
16 Hexadecimal 3fe4a55
20 Vigesimal 10iec11
36 Base36 13vz2t

Cryptographic Hash Functions

md5 fc0376f602f7e44627ec5fc9bb874bf2
sha1 7647cb9402cac5b9b9285e13aaa5c82c7b140c3d
sha256 e1f3e85568f52a6fb444fe4a50a90dfdf6f14b1e50f054986a9b6c7fd95b608b
sha512 66f4b0f34b7e03e4bafdb293d4fd664a7d4964964baff0fcf469b48fac6bb4cd4a07335e335b1972e9da91720b4e07c2c1d5531d5bb744054cd9cd0f2ffe507e
ripemd-160 1999ba0aac5416579f892eb60b08e81df63f9982

66996821 as geometric shapes

Circle

Radius = n
Diameter 133993642
Circumference 420953441.33494
Area 1.4101271179226E+16

Sphere

Radius = n
Volume 1.2596537880894E+24
Surface area 5.6405084716902E+16
Circumference 420953441.33494

Square

Length = n
Perimeter 267987284
Area 4488574024106041
Diagonal 94747812.894083

Cube

Length = n
Surface area 26931444144636246
Volume 3.0072019043828E+23
Space diagonal 116041897.9176

Equilateral Triangle

Length = n
Perimeter 200990463
Area 1.9436095658214E+15
Altitude 58020948.958799

Triangular Pyramid

Length = n
Surface area 1.9436095658214E+15
Volume 3.5440214316437E+22
Height 31582604.298028