66409861 (number)

66409861 is an odd 8-digits composite number following 66409860 and preceding 66409862. In scientific notation, it is written as 6.6409861 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 56922732 positive integers (up to 66409861) that are relatively prime to 66409861.

Interesting facts

Basic properties

Name

Name sixty-six million four hundred nine thousand eight hundred sixty-one

Notation

Scientific notation 6.6409861 × 10^7
Engineering notation 6.6409861 × 10^6

Prime Factorization of 66409861

Prime Factorization 7 × 9487123

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 66409861
Product of the distinct prime numbers

The prime factorization of 66409861 is 7 × 9487123. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 1, 20, 10, 356, 757, 9320, 6331, 72019, 73463, 567881, 543692, 6044455, 7727935, 98372615, 9578662, 634323104, 801787265, 5271745759, 8838474219

Basic calculations (n = 66409861)

Multiplication

n×y
n×2 132819722
n×3 199229583
n×4 265639444
n×5 332049305

Division

n÷y
n÷2 33204930.5
n÷3 22136620.333333
n÷3 16602465.25
n÷5 13281972.2

Exponentiation

ny
n2 4410269638039321
n3 2.9288539363471E+23
n4 1.9450478280211E+31
n5 1.2917035589724E+39

Nth Root

y√n
2√n 8149.2245643374
3√n 404.95881509768
4√n 90.273055583255
5√n 36.681451643503

Divisors of 66409861

1, 7, 9487123, 66409861

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 -66409860
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 66409861 can be divided by 4 positive divisors. The sum of these divisors (counting 66409861) is 1, the average is 0.25.

Base conversion 66409861

Base System Value
2 Binary 11111101010101010110000101
3 Ternary 11121221222012111
4 Quaternary 3331111112011
5 Quinary 114000103421
6 Senary 10331221021
8 Octal 375252605
10 Decimal 66409861
12 Duodecimal 1a2a7771
16 Hexadecimal 3f55585
20 Vigesimal 10f14d1
36 Base36 13je6d

Cryptographic Hash Functions

md5 29eaba4d2de9c9f0d9f076d93e62d7c3
sha1 19be929d640f017b9400ad156e47f6d0b3065f9b
sha256 a15f45ba0d0962483b36784cc8b0cdfd2729204a2680eae4089fa1133215fccb
sha512 f7506c74f90827dce4b8e2174c288334a7ce3d2eeca3445d48dbfa2454e825ea3cb772f5279c2e3464c4e10d019bf3b1bf8bd3f1e26f12a7c00f3b091097d85d
ripemd-160 289d93fa300d2d41eb70a85ae2b17d80b00ceb7e

66409861 as geometric shapes

Circle

Radius = n
Diameter 132819722
Circumference 417265462.88704
Area 1.3855270695214E+16

Sphere

Radius = n
Volume 1.2268354679821E+24
Surface area 5.5421082780858E+16
Circumference 417265462.88704

Square

Length = n
Perimeter 265639444
Area 4410269638039321
Diagonal 93917726.101512

Cube

Length = n
Surface area 26461617828235926
Volume 2.9288539363471E+23
Space diagonal 115025253.37559

Equilateral Triangle

Length = n
Perimeter 199229583
Area 1.9097027720406E+15
Altitude 57512626.687793

Triangular Pyramid

Length = n
Surface area 1.9097027720406E+15
Volume 3.4516874658266E+22
Height 31305908.700504