66990806 (number)

66990806 is an even 8-digits composite number following 66990805 and preceding 66990807. In scientific notation, it is written as 6.6990806 × 10^7. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 33495402 positive integers (up to 66990806) that are relatively prime to 66990806.

Interesting facts

Basic properties

Name

Name sixty-six million nine hundred ninety thousand eight hundred six

Notation

Scientific notation 6.6990806 × 10^7
Engineering notation 6.6990806 × 10^6

Prime Factorization of 66990806

Prime Factorization 2 × 33495403

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 66990806
Product of the distinct prime numbers

The prime factorization of 66990806 is 2 × 33495403. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 66990806)

Multiplication

n×y
n×2 133981612
n×3 200972418
n×4 267963224
n×5 334954030

Division

n÷y
n÷2 33495403
n÷3 22330268.666667
n÷3 16747701.5
n÷5 13398161.2

Exponentiation

ny
n2 4487768088529636
n3 3.0063920139168E+23
n4 2.0140062416425E+31
n5 1.3491990141666E+39

Nth Root

y√n
2√n 8184.7911396687
3√n 406.13623114833
4√n 90.469835523608
5√n 36.745405183135

Divisors of 66990806

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 -66990805
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 66990806 can be divided by 4 positive divisors. The sum of these divisors (counting 66990806) is 1, the average is 0.25.

Base conversion 66990806

Base System Value
2 Binary 11111111100011001011010110
3 Ternary 11200001111002222
4 Quaternary 3333203023112
5 Quinary 114122201211
6 Senary 10351502342
8 Octal 377431326
10 Decimal 66990806
12 Duodecimal 1a5279b2
16 Hexadecimal 3fe32d6
20 Vigesimal 10idh06
36 Base36 13vufq

Cryptographic Hash Functions

md5 b459de54312bc4f6567ebee27f764eb7
sha1 0ccd887a42b55b9390b461ed892d035a88ebdc08
sha256 544d6aaae6525b76a19610f92836f7efa681877349464a45b40ae866e45918e4
sha512 831b5ec293eddbcf5c3050d53596f62d9926b5e2b0eff8468eb053871ae7a94da03d9e833ed1e9581d0f56415b2df56a02d13c9b218f513f759223ae899354b2
ripemd-160 4990df868bd8c06e0a6eccc0041b152f12d061a8

66990806 as geometric shapes

Circle

Radius = n
Diameter 133981612
Circumference 420915647.97532
Area 1.4098739257939E+16

Sphere

Radius = n
Volume 1.2593145419643E+24
Surface area 5.6394957031758E+16
Circumference 420915647.97532

Square

Length = n
Perimeter 267963224
Area 4487768088529636
Diagonal 94739306.399505

Cube

Length = n
Surface area 26926608531177816
Volume 3.0063920139168E+23
Space diagonal 116031479.63199

Equilateral Triangle

Length = n
Perimeter 200972418
Area 1.9432605854799E+15
Altitude 58015739.815995

Triangular Pyramid

Length = n
Surface area 1.9432605854799E+15
Volume 3.5430669665761E+22
Height 31579768.799835