661330649 (number)

661330649 is an odd 9-digits composite number following 661330648 and preceding 661330650. In scientific notation, it is written as 6.61330649 × 10^8. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 566854836 positive integers (up to 661330649) that are relatively prime to 661330649.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.61330649 × 10^8
Engineering notation 6.61330649 × 10^6

Prime Factorization of 661330649

Prime Factorization 7 × 94475807

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 661330649
Product of the distinct prime numbers

The prime factorization of 661330649 is 7 × 94475807. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 1, 91, 56, 586, 556, 9818, 3513, 24503, 72177, 583650, 476183, 5314398, 9936232, 37426516, 51347553, 777593769, 593199871, 9041839717, 7852873182

Basic calculations (n = 661330649)

Multiplication

n×y
n×2 1322661298
n×3 1983991947
n×4 2645322596
n×5 3306653245

Division

n÷y
n÷2 330665324.5
n÷3 220443549.66667
n÷3 165332662.25
n÷5 132266129.8

Exponentiation

ny
n2 437358227306761201
n3 2.8923840031027E+26
n4 1.9128221899291E+35
n5 1.2650079402874E+44

Nth Root

y√n
2√n 25716.349838187
3√n 871.24349815756
4√n 160.36318105534
5√n 58.087639713449

Divisors of 661330649

1, 7, 94475807, 661330649

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 -661330648
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 661330649 can be divided by 4 positive divisors. The sum of these divisors (counting 661330649) is 1, the average is 0.25.

Base conversion 661330649

Base System Value
2 Binary 100111011010110001101011011001
3 Ternary 1201002102002002202
4 Quaternary 213122301223121
5 Quinary 2323300040044
6 Senary 145342335545
8 Octal 4732615331
10 Decimal 661330649
12 Duodecimal 16558a5b5
16 Hexadecimal 276b1ad9
20 Vigesimal a6d66c9
36 Base36 axqlzt

Cryptographic Hash Functions

md5 a68f7e9f8cdd94e41730023c0c4c6f11
sha1 f82c0df2f7c2e55ce76ba6d46eb8c22675926535
sha256 e72b4d53e6de236979542914a461da5fd863b8d3a012ca2be8bdbe072025275a
sha512 9c20c99404891b4aa9ec105de3a79900c5f340f02c89db3f4d1009354450dddebbb6f3e9d3511d70ff3bef51707e25672c0d0b363eaf3f963710da069f077c06
ripemd-160 ae03647c56d74a6a5975a42109fe6c89ed7f6faa

661330649 as geometric shapes

Circle

Radius = n
Diameter 1322661298
Circumference 4155263016.9843
Area 1.374001393894E+18

Sphere

Radius = n
Volume 1.2115589780677E+27
Surface area 5.4960055755759E+18
Circumference 4155263016.9843

Square

Length = n
Perimeter 2645322596
Area 437358227306761201
Diagonal 935262773.0288

Cube

Length = n
Surface area 2624149363840567206
Volume 2.8923840031027E+26
Space diagonal 1145458284.6705

Equilateral Triangle

Length = n
Perimeter 1983991947
Area 1.8938166770089E+17
Altitude 572729142.33525

Triangular Pyramid

Length = n
Surface area 1.8938166770089E+17
Volume 3.4087072373157E+25
Height 311754257.67627