66705987 (number)

66705987 is an odd 8-digits composite number following 66705986 and preceding 66705988. In scientific notation, it is written as 6.6705987 × 10^7. The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors. There are 44470656 positive integers (up to 66705987) that are relatively prime to 66705987.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.6705987 × 10^7
Engineering notation 6.6705987 × 10^6

Prime Factorization of 66705987

Prime Factorization 3 × 22235329

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 66705987
Product of the distinct prime numbers

The prime factorization of 66705987 is 3 × 22235329. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 7, 43, 48, 468, 479, 5810, 3262, 69641, 80813, 780539, 23819, 9870960, 2544208, 32974006, 66442853, 276858944, 670488460, 7391834259, 399541808

Basic calculations (n = 66705987)

Multiplication

n×y
n×2 133411974
n×3 200117961
n×4 266823948
n×5 333529935

Division

n÷y
n÷2 33352993.5
n÷3 22235329
n÷3 16676496.75
n÷5 13341197.4

Exponentiation

ny
n2 4449688701644169
n3 2.9682087668592E+23
n4 1.979972954154E+31
n5 1.3207605014015E+39

Nth Root

y√n
2√n 8167.3733231682
3√n 405.55983544061
4√n 90.373521139592
5√n 36.714106459265

Divisors of 66705987

1, 3, 22235329, 66705987

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -66705986
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 66705987 can be divided by 4 positive divisors. The sum of these divisors (counting 66705987) is 1, the average is 0.25.

Base conversion 66705987

Base System Value
2 Binary 11111110011101101001000011
3 Ternary 11122112000102010
4 Quaternary 3332131221003
5 Quinary 114034042422
6 Senary 10341424003
8 Octal 376355103
10 Decimal 66705987
12 Duodecimal 1a40b003
16 Hexadecimal 3f9da43
20 Vigesimal 10gi4j7
36 Base36 13pqo3

Cryptographic Hash Functions

md5 516cd79470dce05a1709ebac1c4af165
sha1 35bed9f521e3716c30e2c99d5e80a668c434dced
sha256 f2ad2daf0a0ae3713df00933e231643f45612aaf626e04521a448bf87cb3caff
sha512 82b437dc7b030451100514c7d4f820944fb7e05ac3efbe156ab8611dc92c88f19330483ac14bb5c0f38f8e069ed53122c51fd91a7407d1d278ff2dc00ce122d7
ripemd-160 1082365ef9468aef4efac811e4a9b2f9eee92f5d

66705987 as geometric shapes

Circle

Radius = n
Diameter 133411974
Circumference 419126077.41931
Area 1.3979109335847E+16

Sphere

Radius = n
Volume 1.2433203808381E+24
Surface area 5.5916437343387E+16
Circumference 419126077.41931

Square

Length = n
Perimeter 266823948
Area 4449688701644169
Diagonal 94336511.506883

Cube

Length = n
Surface area 26698132209865014
Volume 2.9682087668592E+23
Space diagonal 115538158.65303

Equilateral Triangle

Length = n
Perimeter 200117961
Area 1.9267717272782E+15
Altitude 57769079.326515

Triangular Pyramid

Length = n
Surface area 1.9267717272782E+15
Volume 3.4980675783725E+22
Height 31445503.835628