66581640 (number)

66581640 is an even 8-digits composite number following 66581639 and preceding 66581641. In scientific notation, it is written as 6.6581640 × 10^7. The sum of its digits is 36. It has a total of 6 prime factors and 32 positive divisors. There are 17755008 positive integers (up to 66581640) that are relatively prime to 66581640.

Interesting facts

Basic properties

Name

Name sixty-six million five hundred eighty-one thousand six hundred forty

Notation

Scientific notation 6.6581640 × 10^7
Engineering notation 6.6581640 × 10^6

Prime Factorization of 66581640

Prime Factorization 2 × 2 × 2 × 3 × 15 × 184949

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 16645410
Product of the distinct prime numbers

The prime factorization of 66581640 is 2 × 2 × 2 × 3 × 15 × 184949. Since it has a total of 6 prime factors.

Most popular turbo-numbers

9, 7, 14, 28, 553, 182, 6581, 5822, 7759, 54366, 581574, 107098, 9196697, 8122831, 48441713, 83325932, 386926953, 931719327, 8801856889, 7218506578

Basic calculations (n = 66581640)

Multiplication

n×y
n×2 133163280
n×3 199744920
n×4 266326560
n×5 332908200

Division

n÷y
n÷2 33290820
n÷3 22193880
n÷3 16645410
n÷5 13316328

Exponentiation

ny
n2 4433114785089600
n3 2.9516405269951E+23
n4 1.965250669778E+31
n5 1.3084961260492E+39

Nth Root

y√n
2√n 8159.7573493334
3√n 405.30767657989
4√n 90.33137522109
5√n 36.70040844778

Divisors of 66581640

1, 2, 3, 4, 6, 8, 12, 15, 24, 30, 45, 60, 90, 120, 180, 360, 184949, 369898, 554847, 739796, 1109694, 1479592, 2219388, 2774235, 4438776, 5548470, 8322705, 11096940, 16645410, 22193880, 33290820, 66581640

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -66581639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 66581640 can be divided by 32 positive divisors. The sum of these divisors (counting 66581640) is 1, the average is 0.03125.

Base conversion 66581640

Base System Value
2 Binary 11111101111111010010001000
3 Ternary 11122021200211200
4 Quaternary 3331333102020
5 Quinary 114021103030
6 Senary 10335024200
8 Octal 375772210
10 Decimal 66581640
12 Duodecimal 1a36b060
16 Hexadecimal 3f7f488
20 Vigesimal 10g2e20
36 Base36 13n2q0

Cryptographic Hash Functions

md5 db358784a6bfa7fdac7eab8feb6c3f25
sha1 1cc16e6afc8ac368882ce59d872cc951a3d46722
sha256 ed2831d2c02eb2cf8085bec61e5fd07c4ee250acfd5c6561287d6af8fcf97379
sha512 c2fe19b9fe054dd5d929bc9f66db01e139beecf96cf6487904e3694b666eb4cea7f0aec8f0363229dcfb945b889367d51bbe0a52040b3ded887b734f9d7dba3e
ripemd-160 7dd0795df3d88f0cc75d703c090cb69981b9fc19

66581640 as geometric shapes

Circle

Radius = n
Diameter 133163280
Circumference 418344782.17592
Area 1.3927040841358E+16

Sphere

Radius = n
Volume 1.2363802927528E+24
Surface area 5.5708163365431E+16
Circumference 418344782.17592

Square

Length = n
Perimeter 266326560
Area 4433114785089600
Diagonal 94160658.293043

Cube

Length = n
Surface area 26598688710537600
Volume 2.9516405269951E+23
Space diagonal 115322783.33126

Equilateral Triangle

Length = n
Perimeter 199744920
Area 1.91959501089E+15
Altitude 57661391.66563

Triangular Pyramid

Length = n
Surface area 1.91959501089E+15
Volume 3.4785417204388E+22
Height 31386886.097681