813561661 (number)

813561661 is an odd 9-digits composite number following 813561660 and preceding 813561662. In scientific notation, it is written as 8.13561661 × 10^8. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 719611920 positive integers (up to 813561661) that are relatively prime to 813561661.

Interesting facts

Basic properties

Name

Name eight hundred thirteen million five hundred sixty-one thousand six hundred sixty-one

Notation

Scientific notation 8.13561661 × 10^8
Engineering notation 8.13561661 × 10^6

Prime Factorization of 813561661

Prime Factorization 11 × 37 × 1998923

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 813561661
Product of the distinct prime numbers

The prime factorization of 813561661 is 11 × 37 × 1998923. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 1, 35, 40, 355, 501, 294, 9898, 71700, 92532, 84653, 604854, 1111961, 8499814, 438635, 96621995, 241771941, 183198290, 3067896540, 4398281214

Basic calculations (n = 813561661)

Multiplication

n×y
n×2 1627123322
n×3 2440684983
n×4 3254246644
n×5 4067808305

Division

n÷y
n÷2 406780830.5
n÷3 271187220.33333
n÷3 203390415.25
n÷5 162712332.2

Exponentiation

ny
n2 661882576249078921
n3 5.3848228812016E+26
n4 4.3808854474212E+35
n5 3.5641204412547E+44

Nth Root

y√n
2√n 28523.002313922
3√n 933.5340391355
4√n 168.88754339477
5√n 60.54497369795

Divisors of 813561661

1, 11, 37, 407, 1998923, 21988153, 73960151, 813561661

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -813561660
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 813561661 can be divided by 8 positive divisors. The sum of these divisors (counting 813561661) is 1, the average is 0.125.

Base conversion 813561661

Base System Value
2 Binary 110000011111011111011100111101
3 Ternary 2002200212012210101
4 Quaternary 300133133130331
5 Quinary 3131232433121
6 Senary 212421241101
8 Octal 6037373475
10 Decimal 813561661
12 Duodecimal 1a8563191
16 Hexadecimal 307df73d
20 Vigesimal ce4f431
36 Base36 dgdg71

Cryptographic Hash Functions

md5 d15b8d094470cb1ffc29152506ee2575
sha1 31b80214eaf428129f242a4a227469ab1c014f8a
sha256 ef4398f6797dec1e9e985f122a90d0af70fef931de768b3e8579c9584212eb5b
sha512 f591a606a431469599e94864d43948317c7c38ba60a78f11be365c328de35c55a032ce219bcafc13046c4eca46e75b3bee537bb157a0312c20e7c9dfb6537b0a
ripemd-160 079a5b604b3664f780613002f3948f889017af65

813561661 as geometric shapes

Circle

Radius = n
Diameter 1627123322
Circumference 5111758674.8798
Area 2.0793654390832E+18

Sphere

Radius = n
Volume 2.2555893339287E+27
Surface area 8.3174617563328E+18
Circumference 5111758674.8798

Square

Length = n
Perimeter 3254246644
Area 661882576249078921
Diagonal 1150549934.813

Cube

Length = n
Surface area 3971295457494473526
Volume 5.3848228812016E+26
Space diagonal 1409130131.9421

Equilateral Triangle

Length = n
Perimeter 2440684983
Area 2.86603562677E+17
Altitude 704565065.97106

Triangular Pyramid

Length = n
Surface area 2.86603562677E+17
Volume 6.3460746246436E+25
Height 383516644.93766