209126721 (number)

209126721 is an odd 9-digits composite number following 209126720 and preceding 209126722. In scientific notation, it is written as 2.09126721 × 10^8. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 139264272 positive integers (up to 209126721) that are relatively prime to 209126721.

Interesting facts

Basic properties

Name

Name two hundred nine million one hundred twenty-six thousand seven hundred twenty-one

Notation

Scientific notation 2.09126721 × 10^8
Engineering notation 2.09126721 × 10^6

Prime Factorization of 209126721

Prime Factorization 3 × 919 × 75853

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 209126721
Product of the distinct prime numbers

The prime factorization of 209126721 is 3 × 919 × 75853. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 7, 22, 95, 551, 859, 5964, 5473, 5001, 12546, 479047, 732204, 2183177, 4826500, 44706899, 347340, 634145640, 671026723, 8976303761, 7723790071

Basic calculations (n = 209126721)

Multiplication

n×y
n×2 418253442
n×3 627380163
n×4 836506884
n×5 1045633605

Division

n÷y
n÷2 104563360.5
n÷3 69708907
n÷3 52281680.25
n÷5 41825344.2

Exponentiation

ny
n2 43733985436211841
n3 9.1459449705367E+24
n4 1.9126614821348E+33
n5 3.9998862414185E+41

Nth Root

y√n
2√n 14461.214368095
3√n 593.56712955936
4√n 120.25478937695
5√n 46.140458477345

Divisors of 209126721

1, 3, 919, 2757, 75853, 227559, 69708907, 209126721

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 -209126720
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 209126721 can be divided by 8 positive divisors. The sum of these divisors (counting 209126721) is 1, the average is 0.125.

Base conversion 209126721

Base System Value
2 Binary 1100011101110000010101000001
3 Ternary 112120111201221010
4 Quaternary 30131300111001
5 Quinary 412014023341
6 Senary 32430151133
8 Octal 1435602501
10 Decimal 209126721
12 Duodecimal 5a0524a9
16 Hexadecimal c770541
20 Vigesimal 3570gg1
36 Base36 3gib7l

Cryptographic Hash Functions

md5 b4b18d31a6fefc713004fde942f8515d
sha1 459599c68da04ef51b0278500068cbbc758b6bc9
sha256 82019f866c37a8eba7ce92e69fd9cb9df86dbabc07c91a90b80c988cf5414489
sha512 c69784bb4922b5cd3e984921903cd5e47562147574e7d5070acb86a732bbcfada9c94c0a8d10d51f369e4203d17b4655366100bd8604a3e00d7d13c9c3114624
ripemd-160 1180a0f45d9a2a140a11ec45d132bbf0306c34e8

209126721 as geometric shapes

Circle

Radius = n
Diameter 418253442
Circumference 1313981940.7258
Area 1.3739436735861E+17

Sphere

Radius = n
Volume 3.83104447061E+25
Surface area 5.4957746943442E+17
Circumference 1313981940.7258

Square

Length = n
Perimeter 836506884
Area 43733985436211841
Diagonal 295749845.09281

Cube

Length = n
Surface area 262403912617271046
Volume 9.1459449705367E+24
Space diagonal 362218105.99228

Equilateral Triangle

Length = n
Perimeter 627380163
Area 1.8937371198249E+16
Altitude 181109052.99614

Triangular Pyramid

Length = n
Surface area 1.8937371198249E+16
Volume 1.0778599515043E+24
Height 98583281.697605