661649360 (number)

661649360 is an even 9-digits composite number following 661649359 and preceding 661649361. In scientific notation, it is written as 6.61649360 × 10^8. The sum of its digits is 41. It has a total of 6 prime factors and 20 positive divisors. There are 264659712 positive integers (up to 661649360) that are relatively prime to 661649360.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.61649360 × 10^8
Engineering notation 6.61649360 × 10^6

Prime Factorization of 661649360

Prime Factorization 2 × 2 × 2 × 2 × 5 × 8270617

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 82706170
Product of the distinct prime numbers

The prime factorization of 661649360 is 2 × 2 × 2 × 2 × 5 × 8270617. Since it has a total of 6 prime factors.

Most popular turbo-numbers

6, 7, 58, 10, 337, 751, 796, 3750, 67274, 83811, 190999, 222915, 5056538, 5986583, 67661082, 40315528, 641716744, 535334829, 89519535, 6973107620

Basic calculations (n = 661649360)

Multiplication

n×y
n×2 1323298720
n×3 1984948080
n×4 2646597440
n×5 3308246800

Division

n÷y
n÷2 330824680
n÷3 220549786.66667
n÷3 165412340
n÷5 132329872

Exponentiation

ny
n2 437779875588409600
n3 2.8965677450395E+26
n4 1.916512194702E+35
n5 1.2680590670568E+44

Nth Root

y√n
2√n 25722.545752705
3√n 871.38343334876
4√n 160.3824982743
5√n 58.093237398064

Divisors of 661649360

1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 8270617, 16541234, 33082468, 41353085, 66164936, 82706170, 132329872, 165412340, 330824680, 661649360

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -661649359
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 661649360 can be divided by 20 positive divisors. The sum of these divisors (counting 661649360) is 1, the average is 0.05.

Base conversion 661649360

Base System Value
2 Binary 100111011011111111011111010000
3 Ternary 1201010000021021212
4 Quaternary 213123333133100
5 Quinary 2323340234420
6 Senary 145353235252
8 Octal 4733773720
10 Decimal 661649360
12 Duodecimal 165702b28
16 Hexadecimal 276ff7d0
20 Vigesimal a6f6380
36 Base36 axxfww

Cryptographic Hash Functions

md5 cdd326b93c3ce1b2c31d8190cfa868c7
sha1 1aa4911c2b90168e4eda1c2aa4a2af69b8ea535f
sha256 7830d39ee9658b44c8d17a9704e030b24a6f7e666da442bdd6280ecd5ac26802
sha512 9dd163419a95e1769628520eff3923f9bcaf7f66df432a98725516f2b75ac7e0a71451ac55133c0dede99d604fb2911b0c84a4d5fc8c3d9331e47f5dc6989c57
ripemd-160 acb3777804b2cf26d196e46aee16f6c86d2e803b

661649360 as geometric shapes

Circle

Radius = n
Diameter 1323298720
Circumference 4157265537.2568
Area 1.375326041038E+18

Sphere

Radius = n
Volume 1.2133114597922E+27
Surface area 5.501304164152E+18
Circumference 4157265537.2568

Square

Length = n
Perimeter 2646597440
Area 437779875588409600
Diagonal 935713498.44748

Cube

Length = n
Surface area 2626679253530457600
Volume 2.8965677450395E+26
Space diagonal 1146010308.3154

Equilateral Triangle

Length = n
Perimeter 1984948080
Area 1.8956424676258E+17
Altitude 573005154.15772

Triangular Pyramid

Length = n
Surface area 1.8956424676258E+17
Volume 3.4136378244728E+25
Height 311904499.48249