66946989 (number)

66946989 is an odd 8-digits composite number following 66946988 and preceding 66946990. In scientific notation, it is written as 6.6946989 × 10^7. The sum of its digits is 57. It has a total of 2 prime factors and 4 positive divisors. There are 44631324 positive integers (up to 66946989) that are relatively prime to 66946989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.6946989 × 10^7
Engineering notation 6.6946989 × 10^6

Prime Factorization of 66946989

Prime Factorization 3 × 22315663

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 66946989
Product of the distinct prime numbers

The prime factorization of 66946989 is 3 × 22315663. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 66946989)

Multiplication

n×y
n×2 133893978
n×3 200840967
n×4 267787956
n×5 334734945

Division

n÷y
n÷2 33473494.5
n÷3 22315663
n÷3 16736747.25
n÷5 13389397.8

Exponentiation

ny
n2 4481899336166121
n3 3.0004966555742E+23
n4 2.0087421659526E+31
n5 1.3447923968787E+39

Nth Root

y√n
2√n 8182.1139688958
3√n 406.04766400699
4√n 90.455038383143
5√n 36.740597076101

Divisors of 66946989

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 -66946988
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 66946989 can be divided by 4 positive divisors. The sum of these divisors (counting 66946989) is 1, the average is 0.25.

Base conversion 66946989

Base System Value
2 Binary 11111111011000011110101101
3 Ternary 11122222021000010
4 Quaternary 3333120132231
5 Quinary 114114300424
6 Senary 10350523433
8 Octal 377303655
10 Decimal 66946989
12 Duodecimal 1a506579
16 Hexadecimal 3fd87ad
20 Vigesimal 10i8799
36 Base36 13uwml

Cryptographic Hash Functions

md5 3ced4ed1f6f8594a19a666717dc4d884
sha1 111c00493aadd09a708dd41270721574bf3459ff
sha256 fcedfd871004260d81dd9a42cbe1bf12b1521205fb7151555e53966d0c3e3e80
sha512 d966ba934fec149dec907a44c7904d656a7e03e57f7bd0882adbbf26181fbd6d0d49e7267e2bb58ec9d5cb50da18b517f91096ae2dae078f79bdebe8663836cd
ripemd-160 8350ef41487b4709ede9adbff50a6a76673d8ac0

66946989 as geometric shapes

Circle

Radius = n
Diameter 133893978
Circumference 420640337.64471
Area 1.4080302028628E+16

Sphere

Radius = n
Volume 1.2568451000364E+24
Surface area 5.6321208114514E+16
Circumference 420640337.64471

Square

Length = n
Perimeter 267787956
Area 4481899336166121
Diagonal 94677339.803842

Cube

Length = n
Surface area 26891396016996726
Volume 3.0004966555742E+23
Space diagonal 115955586.36175

Equilateral Triangle

Length = n
Perimeter 200840967
Area 1.9407193411622E+15
Altitude 57977793.180877

Triangular Pyramid

Length = n
Surface area 1.9407193411622E+15
Volume 3.5361192201401E+22
Height 31559113.267947