661391325 (number)

661391325 is an odd 9-digits composite number following 661391324 and preceding 661391326. In scientific notation, it is written as 6.61391325 × 10^8. The sum of its digits is 36. It has a total of 6 prime factors and 64 positive divisors. There are 297432000 positive integers (up to 661391325) that are relatively prime to 661391325.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.61391325 × 10^8
Engineering notation 6.61391325 × 10^6

Prime Factorization of 661391325

Prime Factorization 15 × 35 × 3 × 27 × 103 × 151

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 661391325
Product of the distinct prime numbers

The prime factorization of 661391325 is 15 × 35 × 3 × 27 × 103 × 151. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 661391325)

Multiplication

n×y
n×2 1322782650
n×3 1984173975
n×4 2645565300
n×5 3306956625

Division

n÷y
n÷2 330695662.5
n÷3 220463775
n÷3 165347831.25
n÷5 132278265

Exponentiation

ny
n2 437438484785255625
n3 2.8931801905811E+26
n4 1.9135242797122E+35
n5 1.2655883587785E+44

Nth Root

y√n
2√n 25717.529527542
3√n 871.27014239568
4√n 160.36685919336
5√n 58.088705563426

Divisors of 661391325

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -661391324
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 661391325 can be divided by 64 positive divisors. The sum of these divisors (counting 661391325) is 1, the average is 0.015625.

Base conversion 661391325

Base System Value
2 Binary 100111011011000000011111011101
3 Ternary 1201002112011100000
4 Quaternary 213123000133131
5 Quinary 2323304010300
6 Senary 145343524513
8 Octal 4733003735
10 Decimal 661391325
12 Duodecimal 1655b9739
16 Hexadecimal 276c07dd
20 Vigesimal a6ddi65
36 Base36 axrwt9

Cryptographic Hash Functions

md5 437730d7f377d10589c79fd9b4ea9482
sha1 7886c0cdf519b70091e230356bb33a6599dc8b5c
sha256 f0f0ebe11127db4aaf83837894d11d42fe80526ccdce29a1a7ee5c6c223cb04f
sha512 1fcc915a4686f160483282ecc652163641ad482122f2fd31bc0f1c723ac510b049f8ecf97b36a7a6121c5fa7262d0553f13819cdd2fd7250050121f434029233
ripemd-160 862a9cbfc7d506966874e1a7ec14032a408b3417

661391325 as geometric shapes

Circle

Radius = n
Diameter 1322782650
Circumference 4155644255.536
Area 1.3742535301988E+18

Sphere

Radius = n
Volume 1.2118924842988E+27
Surface area 5.4970141207952E+18
Circumference 4155644255.536

Square

Length = n
Perimeter 2645565300
Area 437438484785255625
Diagonal 935348581.85091

Cube

Length = n
Surface area 2624630908711533750
Volume 2.8931801905811E+26
Space diagonal 1145563378.5853

Equilateral Triangle

Length = n
Perimeter 1984173975
Area 1.894164202085E+17
Altitude 572781689.29265

Triangular Pyramid

Length = n
Surface area 1.894164202085E+17
Volume 3.4096455532575E+25
Height 311782860.61697