66646987 (number)

66646987 is an odd 8-digits composite number following 66646986 and preceding 66646988. In scientific notation, it is written as 6.6646987 × 10^7. The sum of its digits is 52. It has a total of 4 prime factors and 16 positive divisors. There are 55803520 positive integers (up to 66646987) that are relatively prime to 66646987.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.6646987 × 10^7
Engineering notation 6.6646987 × 10^6

Prime Factorization of 66646987

Prime Factorization 11 × 17 × 47 × 7583

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 66646987
Product of the distinct prime numbers

The prime factorization of 66646987 is 11 × 17 × 47 × 7583. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 9, 24, 32, 985, 999, 326, 3946, 41691, 17414, 824697, 175581, 759140, 329197, 78729676, 46211943, 190180062, 289190740, 7952991812, 9749321983

Basic calculations (n = 66646987)

Multiplication

n×y
n×2 133293974
n×3 199940961
n×4 266587948
n×5 333234935

Division

n÷y
n÷2 33323493.5
n÷3 22215662.333333
n÷3 16661746.75
n÷5 13329397.4

Exponentiation

ny
n2 4441820876178169
n3 2.9603397819098E+23
n4 1.9729772696052E+31
n5 1.3149299043867E+39

Nth Root

y√n
2√n 8163.7605917861
3√n 405.44023054234
4√n 90.353531152834
5√n 36.707609594008

Divisors of 66646987

1, 11, 17, 47, 187, 517, 799, 7583, 8789, 83413, 128911, 356401, 1418021, 3920411, 6058817, 66646987

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 -66646986
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 66646987 can be divided by 16 positive divisors. The sum of these divisors (counting 66646987) is 1, the average is 0.0625.

Base conversion 66646987

Base System Value
2 Binary 11111110001111001111001011
3 Ternary 11122102000110221
4 Quaternary 3332033033023
5 Quinary 114030200422
6 Senary 10340250511
8 Octal 376171713
10 Decimal 66646987
12 Duodecimal 1a3a0a37
16 Hexadecimal 3f8f3cb
20 Vigesimal 10gah97
36 Base36 13oh57

Cryptographic Hash Functions

md5 5f7bbec2c90bb55b5965c0cb0791d3d5
sha1 a001cb444e47a0295db0e084ec36eb7a1afb8f2e
sha256 688d975b536c8f0304947290e801aad75d747296a3c92548ddc5fd794e096cec
sha512 6bd83c12404c697abcc083f94af9f4b63d1b050ffedd24708f1e14a305c5e27639d519e5f621474078ae65047306ea5f10c773ee8d0ca8921d2f2a468243dc50
ripemd-160 b4acd45d53cf5e3b04ebbf28856cab6f3462bb68

66646987 as geometric shapes

Circle

Radius = n
Diameter 133293974
Circumference 418755369.48619
Area 1.3954391833163E+16

Sphere

Radius = n
Volume 1.2400242281303E+24
Surface area 5.5817567332652E+16
Circumference 418755369.48619

Square

Length = n
Perimeter 266587948
Area 4441820876178169
Diagonal 94253072.906703

Cube

Length = n
Surface area 26650925257069014
Volume 2.9603397819098E+23
Space diagonal 115435967.65538

Equilateral Triangle

Length = n
Perimeter 199940961
Area 1.9233648589152E+15
Altitude 57717983.827691

Triangular Pyramid

Length = n
Surface area 1.9233648589152E+15
Volume 3.4887938906745E+22
Height 31417690.968901