661684 (number)

661684 is an even 6-digits composite number following 661683 and preceding 661685. In scientific notation, it is written as 6.61684 × 10^5. The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors. There are 323064 positive integers (up to 661684) that are relatively prime to 661684.

Interesting facts

Basic properties

Name

Name six hundred sixty-one thousand six hundred eighty-four

Notation

Scientific notation 6.61684 × 10^5
Engineering notation 6.61684 × 10^3

Prime Factorization of 661684

Prime Factorization 2 × 2 × 43 × 3847

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 330842
Product of the distinct prime numbers

The prime factorization of 661684 is 2 × 2 × 43 × 3847. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 2, 21, 94, 581, 959, 1746, 5878, 51429, 56515, 865791, 689550, 5216146, 8235028, 81635198, 51688463, 547334946, 316101321, 465763845, 4339284345

Basic calculations (n = 661684)

Multiplication

n×y
n×2 1323368
n×3 1985052
n×4 2646736
n×5 3308420

Division

n÷y
n÷2 330842
n÷3 220561.33333333
n÷3 165421
n÷5 132336.8

Exponentiation

ny
n2 437825715856
n3 289702270970461504
n4 1.9169135746482E+23
n5 1.2683910417275E+29

Nth Root

y√n
2√n 813.43961054279
3√n 87.139863989027
4√n 28.520862724378
5√n 14.592514268807

Divisors of 661684

1, 2, 4, 43, 86, 172, 3847, 7694, 15388, 165421, 330842, 661684

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -661683
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 661684 can be divided by 12 positive divisors. The sum of these divisors (counting 661684) is 1, the average is 0.083333333333333.

Base conversion 661684

Base System Value
2 Binary 10100001100010110100
3 Ternary 1020121122211
4 Quaternary 2201202310
5 Quinary 132133214
6 Senary 22103204
8 Octal 2414264
10 Decimal 661684
12 Duodecimal 27ab04
16 Hexadecimal a18b4
20 Vigesimal 42e44
36 Base36 e6k4

Cryptographic Hash Functions

md5 457579e2626d74f4518f9da65034aeb2
sha1 773eaff1836891bb7d02808b97dfeb605a92c5d1
sha256 7ecec702d0e7c3879f47638736ebf6388c97f910eb9c17e0bb7f6db78c64b182
sha512 f31b783b31a88f254c0adf1f4b4dc25a81dc4672f8ed44fd4dfa8d830463d383e8770f3772f432053fce2b7cb842c592a18e3e6526e8d248842f22b909eba568
ripemd-160 19d14567b3cb3c26ec655d0e16131b051503564f

661684 as geometric shapes

Circle

Radius = n
Diameter 1323368
Circumference 4157483.1867958
Area 1375470052485.9

Sphere

Radius = n
Volume 1.2135020349454E+18
Surface area 5501880209943.6
Circumference 4157483.1867958

Square

Length = n
Perimeter 2646736
Area 437825715856
Diagonal 935762.48680528

Cube

Length = n
Surface area 2626954295136
Volume 289702270970461504
Space diagonal 1146070.3065554

Equilateral Triangle

Length = n
Perimeter 1985052
Area 189584096180.7
Altitude 573035.1532777

Triangular Pyramid

Length = n
Surface area 189584096180.7
Volume 3.4141740054726E+16
Height 311920.82893509