66561390 (number)

66561390 is an even 8-digits composite number following 66561389 and preceding 66561391. In scientific notation, it is written as 6.6561390 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 15213888 positive integers (up to 66561390) that are relatively prime to 66561390.

Interesting facts

Basic properties

Name

Name sixty-six million five hundred sixty-one thousand three hundred ninety

Notation

Scientific notation 6.6561390 × 10^7
Engineering notation 6.6561390 × 10^6

Prime Factorization of 66561390

Prime Factorization 2 × 45 × 7 × 105653

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 66561390
Product of the distinct prime numbers

The prime factorization of 66561390 is 2 × 45 × 7 × 105653. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 4, 17, 29, 515, 553, 637, 3205, 77964, 75257, 189117, 10274, 4378256, 6480493, 46877975, 37763022, 621339082, 188505720, 6085029873, 7077559749

Basic calculations (n = 66561390)

Multiplication

n×y
n×2 133122780
n×3 199684170
n×4 266245560
n×5 332806950

Division

n÷y
n÷2 33280695
n÷3 22187130
n÷3 16640347.5
n÷5 13312278

Exponentiation

ny
n2 4430418638732100
n3 2.9489482287592E+23
n4 1.9628609314425E+31
n5 1.3065075197351E+39

Nth Root

y√n
2√n 8158.5164092499
3√n 405.26658260533
4√n 90.324506138976
5√n 36.698175779135

Divisors of 66561390

1, 2, 7, 14, 45, 90, 315, 630, 105653, 211306, 739571, 1479142, 4754385, 9508770, 33280695, 66561390

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -66561389
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 66561390 can be divided by 16 positive divisors. The sum of these divisors (counting 66561390) is 1, the average is 0.0625.

Base conversion 66561390

Base System Value
2 Binary 11111101111010010101101110
3 Ternary 11122020200001200
4 Quaternary 3331322111232
5 Quinary 114014431030
6 Senary 10334350330
8 Octal 375722556
10 Decimal 66561390
12 Duodecimal 1a35b3a6
16 Hexadecimal 3f7a56e
20 Vigesimal 10g039a
36 Base36 13mn3i

Cryptographic Hash Functions

md5 ffd088f487ea1d789e13a2b0b1d19283
sha1 542805188c335bbd076d4df327c0c4c737d87f6f
sha256 7e14cb4b983c5c7ad36ee20f2ce712da58e5878fbd2a79d15ee3d0ccbde74822
sha512 6f8af75d029c138cac3e11eb3a7d5258ce724cab9626287ae75a04c3984e162ea8e4cc095123c7a2f145000c15ceabd676443c3294fb7801536358c99028ac7e
ripemd-160 79490cde1eeab1a265e6417e51ca7f12de875d94

66561390 as geometric shapes

Circle

Radius = n
Diameter 133122780
Circumference 418217547.67345
Area 1.3918570647768E+16

Sphere

Radius = n
Volume 1.2352525455049E+24
Surface area 5.5674282591072E+16
Circumference 418217547.67345

Square

Length = n
Perimeter 266245560
Area 4430418638732100
Diagonal 94132020.468405

Cube

Length = n
Surface area 26582511832392600
Volume 2.9489482287592E+23
Space diagonal 115287709.30241

Equilateral Triangle

Length = n
Perimeter 199684170
Area 1.918427545271E+15
Altitude 57643854.651203

Triangular Pyramid

Length = n
Surface area 1.918427545271E+15
Volume 3.4753688165394E+22
Height 31377340.156135