66887961 (number)

66887961 is an odd 8-digits composite number following 66887960 and preceding 66887962. In scientific notation, it is written as 6.6887961 × 10^7. The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors. There are 35515584 positive integers (up to 66887961) that are relatively prime to 66887961.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.6887961 × 10^7
Engineering notation 6.6887961 × 10^6

Prime Factorization of 66887961

Prime Factorization 3 × 133 × 53 × 3163

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 66887961
Product of the distinct prime numbers

The prime factorization of 66887961 is 3 × 133 × 53 × 3163. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 9, 32, 70, 351, 135, 5644, 4445, 28370, 30268, 435020, 219712, 6969061, 4204080, 14752688, 16395341, 691722000, 578168244, 1059769547, 2097688139

Basic calculations (n = 66887961)

Multiplication

n×y
n×2 133775922
n×3 200663883
n×4 267551844
n×5 334439805

Division

n÷y
n÷2 33443980.5
n÷3 22295987
n÷3 16721990.25
n÷5 13377592.2

Exponentiation

ny
n2 4473999326737521
n3 2.9925669248085E+23
n4 2.0016669975648E+31
n5 1.338874240681E+39

Nth Root

y√n
2√n 8178.5060371684
3√n 405.92828980923
4√n 90.435092951621
5√n 36.734115860805

Divisors of 66887961

1, 3, 53, 133, 159, 399, 3163, 7049, 9489, 21147, 167639, 420679, 502917, 1262037, 22295987, 66887961

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 -66887960
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 66887961 can be divided by 16 positive divisors. The sum of these divisors (counting 66887961) is 1, the average is 0.0625.

Base conversion 66887961

Base System Value
2 Binary 11111111001010000100011001
3 Ternary 11122212021000220
4 Quaternary 3333022010121
5 Quinary 114110403321
6 Senary 10345350253
8 Octal 377120431
10 Decimal 66887961
12 Duodecimal 1a498389
16 Hexadecimal 3fca119
20 Vigesimal 10i0ji1
36 Base36 13tn2x

Cryptographic Hash Functions

md5 e70d738bdb06f190928c2b772787dad8
sha1 39f9e07801774e7875ce7c5c255f0731c372a247
sha256 e16643703cd8acfe1f31d4dde85ad7a679c2f847b7a09bb14a2399d6ad45ef69
sha512 599a37f73c765be012bfe90085fd3f1c35b6fe63ddaf6a753aa0cb84ff5bfa499fa1eb04596cb77a0a6aafbb2aa524d0acfd2aa01a6e92aa7acc951a525bd8e7
ripemd-160 f657d87b486ca4636efaf5efcb5ba6bd4dd81ed3

66887961 as geometric shapes

Circle

Radius = n
Diameter 133775922
Circumference 420269453.7824
Area 1.4055483417044E+16

Sphere

Radius = n
Volume 1.2535235021805E+24
Surface area 5.6221933668177E+16
Circumference 420269453.7824

Square

Length = n
Perimeter 267551844
Area 4473999326737521
Diagonal 94593861.605683

Cube

Length = n
Surface area 26843995960425126
Volume 2.9925669248085E+23
Space diagonal 115853346.86669

Equilateral Triangle

Length = n
Perimeter 200663883
Area 1.9372985367346E+15
Altitude 57926673.433343

Triangular Pyramid

Length = n
Surface area 1.9372985367346E+15
Volume 3.5267739428111E+22
Height 31531287.201894