66938081 (number)

66938081 is an odd 8-digits composite number following 66938080 and preceding 66938082. In scientific notation, it is written as 6.6938081 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 57259728 positive integers (up to 66938081) that are relatively prime to 66938081.

Interesting facts

Basic properties

Name

Name sixty-six million nine hundred thirty-eight thousand eighty-one

Notation

Scientific notation 6.6938081 × 10^7
Engineering notation 6.6938081 × 10^6

Prime Factorization of 66938081

Prime Factorization 7 × 509 × 18787

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 66938081
Product of the distinct prime numbers

The prime factorization of 66938081 is 7 × 509 × 18787. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 66938081)

Multiplication

n×y
n×2 133876162
n×3 200814243
n×4 267752324
n×5 334690405

Division

n÷y
n÷2 33469040.5
n÷3 22312693.666667
n÷3 16734520.25
n÷5 13387616.2

Exponentiation

ny
n2 4480706687962561
n3 2.9992990721608E+23
n4 2.0076732423552E+31
n5 1.3438979411831E+39

Nth Root

y√n
2√n 8181.5695926882
3√n 406.02965357273
4√n 90.452029234773
5√n 36.739619279595

Divisors of 66938081

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 -66938080
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 66938081 can be divided by 8 positive divisors. The sum of these divisors (counting 66938081) is 1, the average is 0.125.

Base conversion 66938081

Base System Value
2 Binary 11111111010110010011100001
3 Ternary 11122221210210012
4 Quaternary 3333112103201
5 Quinary 114114004311
6 Senary 10350414305
8 Octal 377262341
10 Decimal 66938081
12 Duodecimal 1a501395
16 Hexadecimal 3fd64e1
20 Vigesimal 10i7541
36 Base36 13upr5

Cryptographic Hash Functions

md5 e61d01e7383a89381ab85f3d695efa86
sha1 74ac8ea53bb8321801f236ff1d385d8eef07da64
sha256 11c4ad3d19ba1cf4ae9b8f8dde201f947b8693f62b0adbfda5de190f6b77cc3a
sha512 b3b30fb8e5c9621d42efcc1565b1461972d2ccda49e256a4c694b3d212a64e9cc4ec228093e83044b779a2a4e6c155ceb446ed8f85b9988cd8a6dd7f9948e31a
ripemd-160 90565983a9f6e4ac0d4cf35421f46139be62a35d

66938081 as geometric shapes

Circle

Radius = n
Diameter 133876162
Circumference 420584367.03
Area 1.4076555213794E+16

Sphere

Radius = n
Volume 1.2563434574692E+24
Surface area 5.6306220855175E+16
Circumference 420584367.03

Square

Length = n
Perimeter 267752324
Area 4480706687962561
Diagonal 94664741.989429

Cube

Length = n
Surface area 26884240127775366
Volume 2.9992990721608E+23
Space diagonal 115940157.25316

Equilateral Triangle

Length = n
Perimeter 200814243
Area 1.9402029093412E+15
Altitude 57970078.62658

Triangular Pyramid

Length = n
Surface area 1.9402029093412E+15
Volume 3.5347078545524E+22
Height 31554913.996476