66438861 (number)

66438861 is an odd 8-digits composite number following 66438860 and preceding 66438862. In scientific notation, it is written as 6.6438861 × 10^7. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 44292572 positive integers (up to 66438861) that are relatively prime to 66438861.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.6438861 × 10^7
Engineering notation 6.6438861 × 10^6

Prime Factorization of 66438861

Prime Factorization 3 × 22146287

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 66438861
Product of the distinct prime numbers

The prime factorization of 66438861 is 3 × 22146287. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 66438861)

Multiplication

n×y
n×2 132877722
n×3 199316583
n×4 265755444
n×5 332194305

Division

n÷y
n÷2 33219430.5
n÷3 22146287
n÷3 16609715.25
n÷5 13287772.2

Exponentiation

ny
n2 4414122250977321
n3 2.9326925466969E+23
n4 1.9484475246573E+31
n5 1.294526342565E+39

Nth Root

y√n
2√n 8151.0036805292
3√n 405.01775261308
4√n 90.282909127526
5√n 36.684654710999

Divisors of 66438861

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 -66438860
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 66438861 can be divided by 4 positive divisors. The sum of these divisors (counting 66438861) is 1, the average is 0.25.

Base conversion 66438861

Base System Value
2 Binary 11111101011100011011001101
3 Ternary 11122000102222120
4 Quaternary 3331130123031
5 Quinary 114002020421
6 Senary 10332003153
8 Octal 375343315
10 Decimal 66438861
12 Duodecimal 1a3004b9
16 Hexadecimal 3f5c6cd
20 Vigesimal 10f4h31
36 Base36 13k0jx

Cryptographic Hash Functions

md5 f6b1a85c7d039004528ef145b96af2c3
sha1 a3ce690ffbd4c85ef7389942a345871e86225128
sha256 046f526fff45c2b7ed1a794ee8465212d964e40f6e56ac1a9d44021d5f53b071
sha512 38a0e1d682abbd61d829fd89cd347c846e0b2754c0a7fa0e1d46287db693775fb34308b0239c0e1282c8864cfc713639c3b597416072cf0952279a4b597f2ffc
ripemd-160 fc87edfbb0890a71744fae28e06c2ba7bce56375

66438861 as geometric shapes

Circle

Radius = n
Diameter 132877722
Circumference 417447675.26095
Area 1.3867374035718E+16

Sphere

Radius = n
Volume 1.2284433813254E+24
Surface area 5.546949614287E+16
Circumference 417447675.26095

Square

Length = n
Perimeter 265755444
Area 4414122250977321
Diagonal 93958738.294821

Cube

Length = n
Surface area 26484733505863926
Volume 2.9326925466969E+23
Space diagonal 115075482.84901

Equilateral Triangle

Length = n
Perimeter 199316583
Area 1.9113710023783E+15
Altitude 57537741.424503

Triangular Pyramid

Length = n
Surface area 1.9113710023783E+15
Volume 3.4562113115077E+22
Height 31319579.431607