66872989 (number)

66872989 is an odd 8-digits composite number following 66872988 and preceding 66872990. In scientific notation, it is written as 6.6872989 × 10^7. The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors. There are 63353340 positive integers (up to 66872989) that are relatively prime to 66872989.

Interesting facts

Basic properties

Name

Name sixty-six million eight hundred seventy-two thousand nine hundred eighty-nine

Notation

Scientific notation 6.6872989 × 10^7
Engineering notation 6.6872989 × 10^6

Prime Factorization of 66872989

Prime Factorization 19 × 3519631

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 66872989
Product of the distinct prime numbers

The prime factorization of 66872989 is 19 × 3519631. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 66872989)

Multiplication

n×y
n×2 133745978
n×3 200618967
n×4 267491956
n×5 334364945

Division

n÷y
n÷2 33436494.5
n÷3 22290996.333333
n÷3 16718247.25
n÷5 13374597.8

Exponentiation

ny
n2 4471996657794121
n3 2.990557833047E+23
n4 1.9998754107322E+31
n5 1.3373764634326E+39

Nth Root

y√n
2√n 8177.590659846
3√n 405.89800029335
4√n 90.430031846981
5√n 36.732471222746

Divisors of 66872989

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 -66872988
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 66872989 can be divided by 4 positive divisors. The sum of these divisors (counting 66872989) is 1, the average is 0.25.

Base conversion 66872989

Base System Value
2 Binary 11111111000110011010011101
3 Ternary 11122211111111101
4 Quaternary 3333012122131
5 Quinary 114104413424
6 Senary 10345153101
8 Octal 377063235
10 Decimal 66872989
12 Duodecimal 1a48b791
16 Hexadecimal 3fc669d
20 Vigesimal 10hj299
36 Base36 13tbj1

Cryptographic Hash Functions

md5 b4e2baea318d9b682170ea3b8353ab0b
sha1 c0ab877a34b7de7aa497f6dd1dac3287a807c305
sha256 c076b29d1e1d8d5ed058734bcf7d7a54ec3cfe39d713742d9e92e53610edcca0
sha512 e77bed52d132002a9f4c157bd818144bc24c1c39e6984a2f48e7cd5b7b6ca42706b0890c1216ebdfef4cd703cc27dac51a1389b66166dde2c86a5dd8c0aa3c78
ripemd-160 e3285c9c2a604d928a94d03319fa7a44bfdb42bd

66872989 as geometric shapes

Circle

Radius = n
Diameter 133745978
Circumference 420175381.93198
Area 1.4049191847004E+16

Sphere

Radius = n
Volume 1.2526819357915E+24
Surface area 5.6196767388016E+16
Circumference 420175381.93198

Square

Length = n
Perimeter 267491956
Area 4471996657794121
Diagonal 94572688.000227

Cube

Length = n
Surface area 26831979946764726
Volume 2.990557833047E+23
Space diagonal 115827414.60199

Equilateral Triangle

Length = n
Perimeter 200618967
Area 1.9364313556444E+15
Altitude 57913707.300997

Triangular Pyramid

Length = n
Surface area 1.9364313556444E+15
Volume 3.5244062054635E+22
Height 31524229.333409