Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

661649 (number)

661649 is an odd 6-digits composite number following 661648 and preceding 661650. In scientific notation, it is written as 6.61649 × 10^5. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 652260 positive integers (up to 661649) that are relatively prime to 661649.

Interesting facts

661649 has 4 divisors, whose sum is 671040
The reverse of 661649 is 946166
Previous prime number is 71

Basic properties

Is Prime? no
Number parity odd
Number length 6
Sum of Digits 32
Digital Root 5

Name

Name	six hundred sixty-one thousand six hundred forty-nine

Notation

Scientific notation	6.61649 × 10^5
Engineering notation	6.61649 × 10^3

Prime Factorization of 661649

Prime Factorization 71 × 9319

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	661649	Product of the distinct prime numbers

The prime factorization of 661649 is 71 × 9319. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 2, 23, 35, 66, 578, 5485, 9822, 78256, 69356, 868888, 636869, 9111493, 2564531, 46093117, 57152854, 401561332, 460546515, 6902010181, 2627307872

Basic calculations (n = 661649)

Multiplication

n×y

n×2	1323298
n×3	1984947
n×4	2646596
n×5	3308245

Division

n÷y

n÷2	330824.5
n÷3	220549.66666667
n÷3	165412.25
n÷5	132329.8

Exponentiation

n^y

n²	437779399201
n³	289656301701942449
n⁴	1.9165080236479E+23
n⁵	1.2680556173386E+29

Nth Root

^y√n

²√n	813.418096676
³√n	87.138327531032
⁴√n	28.520485561715
⁵√n	14.59235989034

Divisors of 661649

1, 71, 9319, 661649

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	-661648	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 661649 can be divided by 4 positive divisors. The sum of these divisors (counting 661649) is 1, the average is 0.25.

Base conversion 661649

Base	System	Value
2	Binary	10100001100010010001
3	Ternary	1020121121112
4	Quaternary	2201202101
5	Quinary	132133044
6	Senary	22103105
8	Octal	2414221
10	Decimal	661649
12	Duodecimal	27aa95
16	Hexadecimal	a1891
20	Vigesimal	42e29
36	Base36	e6j5

Cryptographic Hash Functions

md5	1c094fefd69530c2c41959a8ebbe0fd2
sha1	0c9e7532c3c9b194fec42ff56e423597e1705750
sha256	15f3c70cbba3daca1020483a1d892d591ff7880f185ae8ae72c9b76dc6ec043e
sha512	ca7d0b9cc21d117c9ec490df9aeb6dba41734c347e5bacf020c4a92780b4cf21b8fe348d58f32b76f3322ae534bad1a5d8a315b2ba9f2a0fe4e9d1f371dbfbaf
ripemd-160	2ba36f244421361d8cff401a68064981b536d157

661649 as geometric shapes

Circle

Radius = n

Diameter	1323298
Circumference	4157263.2753101
Area	1375324544422.8

Sphere

Radius = n

Volume	1.2133094793237E+18
Surface area	5501298177691.3
Circumference	4157263.2753101

Square

Length = n

Perimeter	2646596
Area	437779399201
Diagonal	935712.9893306

Cube

Length = n

Surface area	2626676395206
Volume	289656301701942449
Space diagonal	1146009.6847771

Equilateral Triangle

Length = n

Perimeter	1984947
Area	189564040480.78
Altitude	573004.84238857

Triangular Pyramid

Length = n

Surface area	189564040480.78
Volume	3.4136322524477E+16
Height	311904.32977687