12821661 (number)

12821661 is an odd 8-digits composite number following 12821660 and preceding 12821662. In scientific notation, it is written as 1.2821661 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 8530056 positive integers (up to 12821661) that are relatively prime to 12821661.

Interesting facts

Basic properties

Name

Name twelve million eight hundred twenty-one thousand six hundred sixty-one

Notation

Scientific notation 1.2821661 × 10^7
Engineering notation 1.2821661 × 10^6

Prime Factorization of 12821661

Prime Factorization 9 × 2347 × 607

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12821661
Product of the distinct prime numbers

The prime factorization of 12821661 is 9 × 2347 × 607. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 4, 34, 92, 878, 822, 4142, 9482, 6260, 54555, 19154, 72670, 5285111, 8333959, 90655094, 67254371, 330210781, 59650264, 9060947891, 1152749271

Basic calculations (n = 12821661)

Multiplication

n×y
n×2 25643322
n×3 38464983
n×4 51286644
n×5 64108305

Division

n÷y
n÷2 6410830.5
n÷3 4273887
n÷3 3205415.25
n÷5 2564332.2

Exponentiation

ny
n2 164394990798921
n3 2.1078168421219E+21
n4 2.7025712999777E+28
n5 3.4651453036644E+35

Nth Root

y√n
2√n 3580.7347011472
3√n 234.05329708624
4√n 59.839240479365
5√n 26.399084007094

Divisors of 12821661

1, 9, 607, 2347, 5463, 21123, 1424629, 12821661

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 -12821660
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 12821661 can be divided by 8 positive divisors. The sum of these divisors (counting 12821661) is 1, the average is 0.125.

Base conversion 12821661

Base System Value
2 Binary 110000111010010010011101
3 Ternary 220010102000100
4 Quaternary 300322102131
5 Quinary 11240243121
6 Senary 1134451313
8 Octal 60722235
10 Decimal 12821661
12 Duodecimal 4363b39
16 Hexadecimal c3a49d
20 Vigesimal 402e31
36 Base36 7mt99

Cryptographic Hash Functions

md5 c3d2c07095fdd623227a47d31aa173d2
sha1 718c150d957b9102558a3f897c930f886b58cca4
sha256 f1145c7036ef8a0d92bfd4bf9517f52e8c52afc1ffb29106471c1471c755a63c
sha512 d387a6e32aa47ddb5e8502f6990a51dafea467d5839a1f745b6df30cb39f6a73ac045ca832963ea741c1c14a807a3f11a017dc17f143b593916f8c82f006f3bc
ripemd-160 353d0c7eb846c0b8f0c17abaad9b1772a360cad7

12821661 as geometric shapes

Circle

Radius = n
Diameter 25643322
Circumference 80560872.008838
Area 5.1646209538085E+14

Sphere

Radius = n
Volume 8.8292025417639E+21
Surface area 2.0658483815234E+15
Circumference 80560872.008838

Square

Length = n
Perimeter 51286644
Area 164394990798921
Diagonal 18132566.87835

Cube

Length = n
Surface area 986369944793526
Volume 2.1078168421219E+21
Space diagonal 22207768.289424

Equilateral Triangle

Length = n
Perimeter 38464983
Area 71185119143387
Altitude 11103884.144712

Triangular Pyramid

Length = n
Surface area 71185119143387
Volume 2.4840859709393E+20
Height 6044188.9594501