66887912 (number)

66887912 is an even 8-digits composite number following 66887911 and preceding 66887913. In scientific notation, it is written as 6.6887912 × 10^7. The sum of its digits is 47. It has a total of 7 prime factors and 64 positive divisors. There are 26231040 positive integers (up to 66887912) that are relatively prime to 66887912.

Interesting facts

Basic properties

Name

Name sixty-six million eight hundred eighty-seven thousand nine hundred twelve

Notation

Scientific notation 6.6887912 × 10^7
Engineering notation 6.6887912 × 10^6

Prime Factorization of 66887912

Prime Factorization 2 × 2 × 2 × 7 × 13 × 139 × 661

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 16721978
Product of the distinct prime numbers

The prime factorization of 66887912 is 2 × 2 × 2 × 7 × 13 × 139 × 661. Since it has a total of 7 prime factors.

Most popular turbo-numbers

3, 10, 8, 16, 230, 730, 9051, 560, 4366, 81414, 805667, 52942, 1363238, 5472314, 6758402, 3569768, 488116948, 954865426, 9087880422, 122724852

Basic calculations (n = 66887912)

Multiplication

n×y
n×2 133775824
n×3 200663736
n×4 267551648
n×5 334439560

Division

n÷y
n÷2 33443956
n÷3 22295970.666667
n÷3 16721978
n÷5 13377582.4

Exponentiation

ny
n2 4473992771719744
n3 2.9925603480343E+23
n4 2.0016611321401E+31
n5 1.338869336604E+39

Nth Root

y√n
2√n 8178.5030415107
3√n 405.92819068581
4√n 90.435076389146
5√n 36.734110478754

Divisors of 66887912

1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 139, 182, 278, 364, 556, 661, 728, 973, 1112, 1322, 1807, 1946, 2644, 3614, 3892, 4627, 5288, 7228, 7784, 8593, 9254, 12649, 14456, 17186, 18508, 25298, 34372, 37016, 50596, 60151, 68744, 91879, 101192, 120302, 183758, 240604, 367516, 481208, 643153, 735032, 1194427, 1286306, 2388854, 2572612, 4777708, 5145224, 8360989, 9555416, 16721978, 33443956, 66887912

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -66887911
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 66887912 can be divided by 64 positive divisors. The sum of these divisors (counting 66887912) is 1, the average is 0.015625.

Base conversion 66887912

Base System Value
2 Binary 11111111001010000011101000
3 Ternary 11122212020222002
4 Quaternary 3333022003220
5 Quinary 114110403122
6 Senary 10345350132
8 Octal 377120350
10 Decimal 66887912
12 Duodecimal 1a498348
16 Hexadecimal 3fca0e8
20 Vigesimal 10i0jfc
36 Base36 13tn1k

Cryptographic Hash Functions

md5 45e5e24864bc2937874d11c87454f318
sha1 87ac6371207838a2359ee22f4f706cfc2614712a
sha256 9f0a4d450c57220e5729ece93e35a8804a68dbaedefa3083c68fb67cf1046015
sha512 4e5e46e65267c868ea84d1ddd2b93fc0713f3585d097949d7952a7cf91bcc46a620910b473e7ecc75af91a357ec1473db698b482da4d99d8477eebc45ea63527
ripemd-160 7483e778dffd4611e149a2099da9bec7d4b10153

66887912 as geometric shapes

Circle

Radius = n
Diameter 133775824
Circumference 420269145.90632
Area 1.4055462823849E+16

Sphere

Radius = n
Volume 1.2535207473078E+24
Surface area 5.6221851295394E+16
Circumference 420269145.90632

Square

Length = n
Perimeter 267551648
Area 4473992771719744
Diagonal 94593792.309218

Cube

Length = n
Surface area 26843956630318464
Volume 2.9925603480343E+23
Space diagonal 115853261.9962

Equilateral Triangle

Length = n
Perimeter 200663736
Area 1.9372956983286E+15
Altitude 57926630.998098

Triangular Pyramid

Length = n
Surface area 1.9372956983286E+15
Volume 3.5267661920083E+22
Height 31531264.103073