66887621 (number)

66887621 is an odd 8-digits composite number following 66887620 and preceding 66887622. In scientific notation, it is written as 6.6887621 × 10^7. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 66871200 positive integers (up to 66887621) that are relatively prime to 66887621.

Interesting facts

Basic properties

Name

Name sixty-six million eight hundred eighty-seven thousand six hundred twenty-one

Notation

Scientific notation 6.6887621 × 10^7
Engineering notation 6.6887621 × 10^6

Prime Factorization of 66887621

Prime Factorization 7481 × 8941

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 66887621
Product of the distinct prime numbers

The prime factorization of 66887621 is 7481 × 8941. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 66887621)

Multiplication

n×y
n×2 133775242
n×3 200662863
n×4 267550484
n×5 334438105

Division

n÷y
n÷2 33443810.5
n÷3 22295873.666667
n÷3 16721905.25
n÷5 13377524.2

Exponentiation

ny
n2 4473953843039641
n3 2.9925212902473E+23
n4 2.0016262989649E+31
n5 1.338840212688E+39

Nth Root

y√n
2√n 8178.4852509496
3√n 405.92760201305
4√n 90.434978028137
5√n 36.734078515894

Divisors of 66887621

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 -66887620
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 66887621 can be divided by 4 positive divisors. The sum of these divisors (counting 66887621) is 1, the average is 0.25.

Base conversion 66887621

Base System Value
2 Binary 11111111001001111111000101
3 Ternary 11122212020120022
4 Quaternary 3333021333011
5 Quinary 114110400441
6 Senary 10345344525
8 Octal 377117705
10 Decimal 66887621
12 Duodecimal 1a498145
16 Hexadecimal 3fc9fc5
20 Vigesimal 10i0j11
36 Base36 13tmth

Cryptographic Hash Functions

md5 b813415d49e2f25cf51e24cbee8c6ec1
sha1 cb21eda9c9b70d6047fbe1812de9d77345482eae
sha256 fbb4de8d1a85ca42dc398def7bab4fd61541f79d97e7ef0bfe407edaf27fa051
sha512 e23dfaedd99406839dd3b2f4829ac89cd6467b64303a883b4428f9c1bfe2e2426ab3371985b2dda5133fc644ca6c9b147c5df5fd13b31cb2a48f7e284ca5d34c
ripemd-160 432427e3d6e73ed683661c8a894fcdfacc02ea75

66887621 as geometric shapes

Circle

Radius = n
Diameter 133775242
Circumference 420267317.4994
Area 1.4055340525793E+16

Sphere

Radius = n
Volume 1.2535043868203E+24
Surface area 5.6221362103173E+16
Circumference 420267317.4994

Square

Length = n
Perimeter 267550484
Area 4473953843039641
Diagonal 94593380.773071

Cube

Length = n
Surface area 26843723058237846
Volume 2.9925212902473E+23
Space diagonal 115852757.96941

Equilateral Triangle

Length = n
Perimeter 200662863
Area 1.9372788417157E+15
Altitude 57926378.984705

Triangular Pyramid

Length = n
Surface area 1.9372788417157E+15
Volume 3.526720161965E+22
Height 31531126.924357