205996721 (number)

205996721 is an odd 9-digits composite number following 205996720 and preceding 205996722. In scientific notation, it is written as 2.05996721 × 10^8. The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors. There are 174009600 positive integers (up to 205996721) that are relatively prime to 205996721.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.05996721 × 10^8
Engineering notation 2.05996721 × 10^6

Prime Factorization of 205996721

Prime Factorization 7 × 107 × 229 × 1201

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 205996721
Product of the distinct prime numbers

The prime factorization of 205996721 is 7 × 107 × 229 × 1201. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 7, 13, 47, 677, 569, 3345, 5660, 93167, 42836, 535824, 119056, 1958742, 2274122, 1873567, 94511872, 575661185, 386429538, 6671969584, 5612628504

Basic calculations (n = 205996721)

Multiplication

n×y
n×2 411993442
n×3 617990163
n×4 823986884
n×5 1029983605

Division

n÷y
n÷2 102998360.5
n÷3 68665573.666667
n÷3 51499180.25
n÷5 41199344.2

Exponentiation

ny
n2 42434649062751841
n3 8.7413985637126E+24
n4 1.8006994410789E+33
n5 3.7093818036879E+41

Nth Root

y√n
2√n 14352.585864575
3√n 590.59092475696
4√n 119.80227821112
5√n 46.001507230387

Divisors of 205996721

1, 7, 107, 229, 749, 1201, 1603, 8407, 24503, 128507, 171521, 275029, 899549, 1925203, 29428103, 205996721

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 -205996720
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 205996721 can be divided by 16 positive divisors. The sum of these divisors (counting 205996721) is 1, the average is 0.0625.

Base conversion 205996721

Base System Value
2 Binary 1100010001110100001010110001
3 Ternary 112100121201101012
4 Quaternary 30101310022301
5 Quinary 410213343341
6 Senary 32235120305
8 Octal 1421641261
10 Decimal 205996721
12 Duodecimal 58ba3095
16 Hexadecimal c4742b1
20 Vigesimal 3479bg1
36 Base36 3en835

Cryptographic Hash Functions

md5 00b696c7a1e2bded8cbe4ebe92a25c59
sha1 21e72b911109ba18dc68cefde6eee164df577dc9
sha256 6b72ce3f22ec7f98a7b4e6ae31ea2fc47bc4e4796d02f926934ccb1946ec0a8c
sha512 4ac05afb1d7f5756615c0101651c36f52778eea23c9a9332542ca696eab3ac66de3c5a4a233841db3acde71e59b955ebbe843c6ef191ed0fa3e306097297714e
ripemd-160 62f961aca14d1af65c15f8de27375913acdcbf1f

205996721 as geometric shapes

Circle

Radius = n
Diameter 411993442
Circumference 1294315570.7144
Area 1.333123817532E+17

Sphere

Radius = n
Volume 3.6615884679813E+25
Surface area 5.3324952701281E+17
Circumference 1294315570.7144

Square

Length = n
Perimeter 823986884
Area 42434649062751841
Diagonal 291323356.64259

Cube

Length = n
Surface area 254607894376511046
Volume 8.7413985637126E+24
Space diagonal 356796786.96459

Equilateral Triangle

Length = n
Perimeter 617990163
Area 1.837474204451E+16
Altitude 178398393.4823

Triangular Pyramid

Length = n
Surface area 1.837474204451E+16
Volume 1.0301837002426E+24
Height 97107785.547529