66561642 (number)

66561642 is an even 8-digits composite number following 66561641 and preceding 66561643. In scientific notation, it is written as 6.6561642 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors. There are 19017504 positive integers (up to 66561642) that are relatively prime to 66561642.

Interesting facts

Basic properties

Name

Name sixty-six million five hundred sixty-one thousand six hundred forty-two

Notation

Scientific notation 6.6561642 × 10^7
Engineering notation 6.6561642 × 10^6

Prime Factorization of 66561642

Prime Factorization 2 × 21 × 3 × 3 × 176089

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 22187214
Product of the distinct prime numbers

The prime factorization of 66561642 is 2 × 21 × 3 × 3 × 176089. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 1, 34, 38, 810, 809, 426, 2271, 92389, 73571, 44642, 672118, 9021419, 330799, 44920334, 27706301, 851941852, 425833399, 3275927716, 9005266809

Basic calculations (n = 66561642)

Multiplication

n×y
n×2 133123284
n×3 199684926
n×4 266246568
n×5 332808210

Division

n÷y
n÷2 33280821
n÷3 22187214
n÷3 16640410.5
n÷5 13312328.4

Exponentiation

ny
n2 4430452185736164
n3 2.9489817228509E+23
n4 1.9628906570094E+31
n5 1.3065322519701E+39

Nth Root

y√n
2√n 8158.5318532197
3√n 405.26709404823
4√n 90.324591630517
5√n 36.698203566795

Divisors of 66561642

1, 2, 3, 6, 9, 18, 21, 42, 63, 126, 189, 378, 176089, 352178, 528267, 1056534, 1584801, 3169602, 3697869, 7395738, 11093607, 22187214, 33280821, 66561642

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -66561641
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 66561642 can be divided by 24 positive divisors. The sum of these divisors (counting 66561642) is 1, the average is 0.041666666666667.

Base conversion 66561642

Base System Value
2 Binary 11111101111010011001101010
3 Ternary 11122020200102000
4 Quaternary 3331322121222
5 Quinary 114014433032
6 Senary 10334351430
8 Octal 375723152
10 Decimal 66561642
12 Duodecimal 1a35b576
16 Hexadecimal 3f7a66a
20 Vigesimal 10g0422
36 Base36 13mnai

Cryptographic Hash Functions

md5 2b5a4ff7cb1f56aca824b9d9d2d37cbc
sha1 49374b59c6613eba75b28dc68c939766754da315
sha256 90c4a0399d1dd80df089cae9a4cf196e0a84a397fe3b8cc36165f4742e9fa304
sha512 02be60a2744e1a7ad1b46e4b04c57bdfa20e6e832f2a3e04b8088d3c432e1079882cc47ea37869ed748ac0b7881348b7c6fbca65506fa24f4a42770a687be995
ripemd-160 b3ea1efb08f87b8318dec8b836912c229bdc7bf9

66561642 as geometric shapes

Circle

Radius = n
Diameter 133123284
Circumference 418219131.03615
Area 1.391867603879E+16

Sphere

Radius = n
Volume 1.2352665754772E+24
Surface area 5.5674704155158E+16
Circumference 418219131.03615

Square

Length = n
Perimeter 266246568
Area 4430452185736164
Diagonal 94132376.850223

Cube

Length = n
Surface area 26582713114416984
Volume 2.9489817228509E+23
Space diagonal 115288145.77921

Equilateral Triangle

Length = n
Perimeter 199684926
Area 1.9184420715499E+15
Altitude 57644072.889605

Triangular Pyramid

Length = n
Surface area 1.9184420715499E+15
Volume 3.4754082897051E+22
Height 31377458.950074