66756989 (number)

66756989 is an odd 8-digits composite number following 66756988 and preceding 66756990. In scientific notation, it is written as 6.6756989 × 10^7. The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors. There are 61621824 positive integers (up to 66756989) that are relatively prime to 66756989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.6756989 × 10^7
Engineering notation 6.6756989 × 10^6

Prime Factorization of 66756989

Prime Factorization 13 × 5135153

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 66756989
Product of the distinct prime numbers

The prime factorization of 66756989 is 13 × 5135153. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 66756989)

Multiplication

n×y
n×2 133513978
n×3 200270967
n×4 267027956
n×5 333784945

Division

n÷y
n÷2 33378494.5
n÷3 22252329.666667
n÷3 16689247.25
n÷5 13351397.8

Exponentiation

ny
n2 4456495580346121
n3 2.9750222643571E+23
n4 1.9860352857645E+31
n5 1.3258173572539E+39

Nth Root

y√n
2√n 8170.4950278426
3√n 405.66316996017
4√n 90.390790614103
5√n 36.719718910371

Divisors of 66756989

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 -66756988
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 66756989 can be divided by 4 positive divisors. The sum of these divisors (counting 66756989) is 1, the average is 0.25.

Base conversion 66756989

Base System Value
2 Binary 11111110101010000101111101
3 Ternary 11122121121101002
4 Quaternary 3332222011331
5 Quinary 114042210424
6 Senary 10342500045
8 Octal 376520575
10 Decimal 66756989
12 Duodecimal 1a434625
16 Hexadecimal 3faa17d
20 Vigesimal 10h4c99
36 Base36 13qu0t

Cryptographic Hash Functions

md5 4645aa125db48840898a50fa2e10909e
sha1 1336247720bb20d402900b39a6f16aad717a4b53
sha256 c1f2c06fe399ee26fc6b29dd4f259c3f7738ba67c6bf58d9427f68f1f3a97be9
sha512 c7b7e3cd9cf3dfaed8cf4114e1d3d903e9a080176a745ffbde344d3d04d32230ea069bce99d547967b11be92904ebd836856bbca3a45aa2fc58de576590690e7
ripemd-160 6c00456c676dff4806316edbde4ce264749a9262

66756989 as geometric shapes

Circle

Radius = n
Diameter 133513978
Circumference 419446532.43635
Area 1.4000493775971E+16

Sphere

Radius = n
Volume 1.2461744119961E+24
Surface area 5.6001975103883E+16
Circumference 419446532.43635

Square

Length = n
Perimeter 267027956
Area 4456495580346121
Diagonal 94408639.226992

Cube

Length = n
Surface area 26738973482076726
Volume 2.9750222643571E+23
Space diagonal 115626496.70832

Equilateral Triangle

Length = n
Perimeter 200270967
Area 1.9297191922164E+15
Altitude 57813248.354158

Triangular Pyramid

Length = n
Surface area 1.9297191922164E+15
Volume 3.5060973621798E+22
Height 31469546.408997