12721887 (number)

12721887 is an odd 8-digits composite number following 12721886 and preceding 12721888. In scientific notation, it is written as 1.2721887 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 16 positive divisors. There are 8034552 positive integers (up to 12721887) that are relatively prime to 12721887.

Interesting facts

Basic properties

Name

Name twelve million seven hundred twenty-one thousand eight hundred eighty-seven

Notation

Scientific notation 1.2721887 × 10^7
Engineering notation 1.2721887 × 10^6

Prime Factorization of 12721887

Prime Factorization 3 × 3 × 3 × 19 × 24799

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 1413543
Product of the distinct prime numbers

The prime factorization of 12721887 is 3 × 3 × 3 × 19 × 24799. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 3, 12, 4, 523, 381, 6004, 6436, 71496, 65382, 239938, 260293, 8474502, 3173152, 64767793, 63701231, 835184867, 604531433, 7715706407, 440238287

Basic calculations (n = 12721887)

Multiplication

n×y
n×2 25443774
n×3 38165661
n×4 50887548
n×5 63609435

Division

n÷y
n÷2 6360943.5
n÷3 4240629
n÷3 3180471.75
n÷5 2544377.4

Exponentiation

ny
n2 161846408840769
n3 2.0589917246281E+21
n4 2.6194260054653E+28
n5 3.3324041646391E+35

Nth Root

y√n
2√n 3566.7754344786
3√n 233.44460656419
4√n 59.722486841043
5√n 26.357869701245

Divisors of 12721887

1, 3, 9, 19, 27, 57, 171, 513, 24799, 74397, 223191, 471181, 669573, 1413543, 4240629, 12721887

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12721886
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12721887 can be divided by 16 positive divisors. The sum of these divisors (counting 12721887) is 1, the average is 0.0625.

Base conversion 12721887

Base System Value
2 Binary 110000100001111011011111
3 Ternary 212221100011000
4 Quaternary 300201323133
5 Quinary 11224100022
6 Senary 1132401343
8 Octal 60417337
10 Decimal 12721887
12 Duodecimal 4316253
16 Hexadecimal c21edf
20 Vigesimal 3ja4e7
36 Base36 7ko9r

Cryptographic Hash Functions

md5 ee487ab641a8588ff1847a94a4fff464
sha1 39a2016b8a4da85752ae5e5302fbd779ba869ca9
sha256 88d65bfb416da8e1c0fedc0231f4e579b132dbeed19435ae2a27292cd8d1d6e8
sha512 f8f99aa61bae7e813da6dc82cf0db9ab2a0b788f2e3493e12b0f8b7d6b651a3529b257d1d849c3931e9079a2614f4837fe71bfb92bc0719ef0b0e126486483f7
ripemd-160 74e2f5958747b60d469166c460e263a30f7776b4

12721887 as geometric shapes

Circle

Radius = n
Diameter 25443774
Circumference 79933973.477999
Area 5.0845548902405E+14

Sphere

Radius = n
Volume 8.6246843678583E+21
Surface area 2.0338219560962E+15
Circumference 79933973.477999

Square

Length = n
Perimeter 50887548
Area 161846408840769
Diagonal 17991465.134378

Cube

Length = n
Surface area 971078453044614
Volume 2.0589917246281E+21
Space diagonal 22034954.65215

Equilateral Triangle

Length = n
Perimeter 38165661
Area 70081550783694
Altitude 11017477.326075

Triangular Pyramid

Length = n
Surface area 70081550783694
Volume 2.4265450181525E+20
Height 5997155.0447927