66697989 (number)

66697989 is an odd 8-digits composite number following 66697988 and preceding 66697990. In scientific notation, it is written as 6.6697989 × 10^7. The sum of its digits is 60. It has a total of 3 prime factors and 8 positive divisors. There are 44441376 positive integers (up to 66697989) that are relatively prime to 66697989.

Interesting facts

Basic properties

Name

Name sixty-six million six hundred ninety-seven thousand nine hundred eighty-nine

Notation

Scientific notation 6.6697989 × 10^7
Engineering notation 6.6697989 × 10^6

Prime Factorization of 66697989

Prime Factorization 3 × 9679 × 2297

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 66697989
Product of the distinct prime numbers

The prime factorization of 66697989 is 3 × 9679 × 2297. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 66697989)

Multiplication

n×y
n×2 133395978
n×3 200093967
n×4 266791956
n×5 333489945

Division

n÷y
n÷2 33348994.5
n÷3 22232663
n÷3 16674497.25
n÷5 13339597.8

Exponentiation

ny
n2 4448621736644121
n3 2.9671412365585E+23
n4 1.9790235355743E+31
n5 1.3199689000647E+39

Nth Root

y√n
2√n 8166.8836773888
3√n 405.54362601496
4√n 90.370812087691
5√n 36.713226018032

Divisors of 66697989

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 -66697988
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 66697989 can be divided by 8 positive divisors. The sum of these divisors (counting 66697989) is 1, the average is 0.125.

Base conversion 66697989

Base System Value
2 Binary 11111110011011101100000101
3 Ternary 11122111121102220
4 Quaternary 3332123230011
5 Quinary 114033313424
6 Senary 10341322553
8 Octal 376335405
10 Decimal 66697989
12 Duodecimal 1a406459
16 Hexadecimal 3f9bb05
20 Vigesimal 10gh4j9
36 Base36 13pkhx

Cryptographic Hash Functions

md5 2b2e969dae7d6fcb8e18fb6eb4a8e011
sha1 acea9e7eee81afbab4b0760da48ddadb476d8c8a
sha256 2fc1643fcf9afe301eef8d5eb882ae86333bb10bf3560c7d2860275f11864ddf
sha512 4bb87e36bb28cd9dff949ebfb804b914124de4ec3f7ea28191264ec7f70dfa5fe884ffed99ad6cdeae6f23ba8c342b455dd729faf67b750a7d4ff77af6ba0a95
ripemd-160 3d6b496b846fbeedbfab1219053435fb203da557

66697989 as geometric shapes

Circle

Radius = n
Diameter 133395978
Circumference 419075824.50323
Area 1.3975757366441E+16

Sphere

Radius = n
Volume 1.2428732147914E+24
Surface area 5.5903029465764E+16
Circumference 419075824.50323

Square

Length = n
Perimeter 266791956
Area 4448621736644121
Diagonal 94325200.626812

Cube

Length = n
Surface area 26691730419864726
Volume 2.9671412365585E+23
Space diagonal 115524305.71067

Equilateral Triangle

Length = n
Perimeter 200093967
Area 1.9263097178807E+15
Altitude 57762152.855335

Triangular Pyramid

Length = n
Surface area 1.9263097178807E+15
Volume 3.4968094818479E+22
Height 31441733.542271