66989838 (number)

66989838 is an even 8-digits composite number following 66989837 and preceding 66989839. In scientific notation, it is written as 6.6989838 × 10^7. The sum of its digits is 57. It has a total of 4 prime factors and 16 positive divisors. There are 22249920 positive integers (up to 66989838) that are relatively prime to 66989838.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.6989838 × 10^7
Engineering notation 6.6989838 × 10^6

Prime Factorization of 66989838

Prime Factorization 2 × 3 × 281 × 39733

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 66989838
Product of the distinct prime numbers

The prime factorization of 66989838 is 2 × 3 × 281 × 39733. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 66989838)

Multiplication

n×y
n×2 133979676
n×3 200969514
n×4 267959352
n×5 334949190

Division

n÷y
n÷2 33494919
n÷3 22329946
n÷3 16747459.5
n÷5 13397967.6

Exponentiation

ny
n2 4487638395266244
n3 3.0062616910147E+23
n4 2.0138898366668E+31
n5 1.3491015390815E+39

Nth Root

y√n
2√n 8184.7320053866
3√n 406.13427495072
4√n 90.469508705346
5√n 36.745298990181

Divisors of 66989838

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -66989837
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 66989838 can be divided by 16 positive divisors. The sum of these divisors (counting 66989838) is 1, the average is 0.0625.

Base conversion 66989838

Base System Value
2 Binary 11111111100010111100001110
3 Ternary 11200001102210010
4 Quaternary 3333202330032
5 Quinary 114122133323
6 Senary 10351454050
8 Octal 377427416
10 Decimal 66989838
12 Duodecimal 1a527326
16 Hexadecimal 3fe2f0e
20 Vigesimal 10idebi
36 Base36 13vtou

Cryptographic Hash Functions

md5 b400975adfd2a47a7287e4eb88cb879b
sha1 5105e04a4d3330d0bb7a67cbcfb18dd3b767eec6
sha256 074d8a826b6d3d0c23070bc6c6122a949b5a55ab978de6c2ca4c23ffa344e93a
sha512 a6f2bdd9f9d097bbf141427d5124c7681d3e944a1e2496d8e1174857135cdf9796be3885b2b08d55b8bbaf7a41bd622deb8424347b519e49946caa78ae4ca63c
ripemd-160 c7a2331021d589afb22dd44190ebe10dcecaf92c

66989838 as geometric shapes

Circle

Radius = n
Diameter 133979676
Circumference 420909565.85194
Area 1.4098331814536E+16

Sphere

Radius = n
Volume 1.2592599524347E+24
Surface area 5.6393327258144E+16
Circumference 420909565.85194

Square

Length = n
Perimeter 267959352
Area 4487638395266244
Diagonal 94737937.440777

Cube

Length = n
Surface area 26925830371597464
Volume 3.0062616910147E+23
Space diagonal 116029803.00681

Equilateral Triangle

Length = n
Perimeter 200969514
Area 1.9432044266495E+15
Altitude 58014901.503404

Triangular Pyramid

Length = n
Surface area 1.9432044266495E+15
Volume 3.542913379563E+22
Height 31579312.480259