66561551 (number)

66561551 is an odd 8-digits composite number following 66561550 and preceding 66561552. In scientific notation, it is written as 6.6561551 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 8 positive divisors. There are 57052464 positive integers (up to 66561551) that are relatively prime to 66561551.

Interesting facts

Basic properties

Name

Name sixty-six million five hundred sixty-one thousand five hundred fifty-one

Notation

Scientific notation 6.6561551 × 10^7
Engineering notation 6.6561551 × 10^6

Prime Factorization of 66561551

Prime Factorization 7 × 7 × 7 × 194057

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1358399
Product of the distinct prime numbers

The prime factorization of 66561551 is 7 × 7 × 7 × 194057. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 66561551)

Multiplication

n×y
n×2 133123102
n×3 199684653
n×4 266246204
n×5 332807755

Division

n÷y
n÷2 33280775.5
n÷3 22187183.666667
n÷3 16640387.75
n÷5 13312310.2

Exponentiation

ny
n2 4430440071525601
n3 2.9489696277329E+23
n4 1.962879922738E+31
n5 1.306523320842E+39

Nth Root

y√n
2√n 8158.526276234
3√n 405.26690936066
4√n 90.3245607586
5√n 36.698193532372

Divisors of 66561551

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -66561550
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 66561551 can be divided by 8 positive divisors. The sum of these divisors (counting 66561551) is 1, the average is 0.125.

Base conversion 66561551

Base System Value
2 Binary 11111101111010011000001111
3 Ternary 11122020200021122
4 Quaternary 3331322120033
5 Quinary 114014432201
6 Senary 10334351155
8 Octal 375723017
10 Decimal 66561551
12 Duodecimal 1a35b4bb
16 Hexadecimal 3f7a60f
20 Vigesimal 10g03hb
36 Base36 13mn7z

Cryptographic Hash Functions

md5 1a49b7cf0e0be3539daec2de581f6aa9
sha1 7b21f4bdaed64fc82d0fc16d78fee8b0c60cc6f9
sha256 0c5401d34b5eb82e4602f3758e75b93abfdf216e1a8994085790822bb3c0dee6
sha512 ea32aca1f8f6d4ad4f9e97c93f4e6b782eca7e9335aa40a95b4d29feda35e5402be9a67e4fa1111dea6afb2e693944668fda76fe342a7e2fe906225afa8261ee
ripemd-160 fb13c8e8676a3402f612954739e84c1bc127de57

66561551 as geometric shapes

Circle

Radius = n
Diameter 133123102
Circumference 418218559.26628
Area 1.3918637980875E+16

Sphere

Radius = n
Volume 1.235261509086E+24
Surface area 5.5674551923499E+16
Circumference 418218559.26628

Square

Length = n
Perimeter 266246204
Area 4430440071525601
Diagonal 94132248.156788

Cube

Length = n
Surface area 26582640429153606
Volume 2.9489696277329E+23
Space diagonal 115287988.16259

Equilateral Triangle

Length = n
Perimeter 199684653
Area 1.9184368259429E+15
Altitude 57643994.081294

Triangular Pyramid

Length = n
Surface area 1.9184368259429E+15
Volume 3.4753940354719E+22
Height 31377416.052263