728021261 (number)

728021261 is an odd 9-digits composite number following 728021260 and preceding 728021262. In scientific notation, it is written as 7.28021261 × 10^8. The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors. There are 638230320 positive integers (up to 728021261) that are relatively prime to 728021261.

Interesting facts

Basic properties

Name

Name seven hundred twenty-eight million twenty-one thousand two hundred sixty-one

Notation

Scientific notation 7.28021261 × 10^8
Engineering notation 7.28021261 × 10^6

Prime Factorization of 728021261

Prime Factorization 43 × 11 × 79 × 19483

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 728021261
Product of the distinct prime numbers

The prime factorization of 728021261 is 43 × 11 × 79 × 19483. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 4, 68, 91, 469, 318, 5068, 1824, 18090, 23507, 36254, 461799, 6603140, 199629, 94708391, 79509232, 91173330, 781602385, 2354036856, 1514891952

Basic calculations (n = 728021261)

Multiplication

n×y
n×2 1456042522
n×3 2184063783
n×4 2912085044
n×5 3640106305

Division

n÷y
n÷2 364010630.5
n÷3 242673753.66667
n÷3 182005315.25
n÷5 145604252.2

Exponentiation

ny
n2 530014956468030121
n3 3.8586215695672E+26
n4 2.8091585407981E+35
n5 2.0451271432207E+44

Nth Root

y√n
2√n 26981.869116131
3√n 899.59704636297
4√n 164.26158746381
5√n 59.214601715773

Divisors of 728021261

1, 11, 43, 79, 473, 869, 3397, 19483, 37367, 214313, 837769, 1539157, 9215459, 16930727, 66183751, 728021261

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 -728021260
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 728021261 can be divided by 16 positive divisors. The sum of these divisors (counting 728021261) is 1, the average is 0.0625.

Base conversion 728021261

Base System Value
2 Binary 101011011001001011100100001101
3 Ternary 1212201220022102102
4 Quaternary 223121023210031
5 Quinary 2442333140021
6 Senary 200124004445
8 Octal 5331134415
10 Decimal 728021261
12 Duodecimal 183990725
16 Hexadecimal 2b64b90d
20 Vigesimal b7a2d31
36 Base36 c1g0st

Cryptographic Hash Functions

md5 06145c1b8d6fe9bd18fc71cd98007208
sha1 2546e397f55c37c54245041cfc7c977e3b741b7e
sha256 179b887e0677a4284cc569c60c6091e96eb551f5a941a86d57d9cc0b9ab993dd
sha512 caa753cd24e9b51b4829c9df64472c852ec466a65f3a746844991e2169f3aa7c6ef274f24d2a7c3cf22baec2584e399a36f90be4e9c327a4e7df59e664630b61
ripemd-160 1133bc46ff99cf07753be78ebb65d26bc7d5890d

728021261 as geometric shapes

Circle

Radius = n
Diameter 1456042522
Circumference 4574292490.4296
Area 1.6650910935327E+18

Sphere

Radius = n
Volume 1.616295623458E+27
Surface area 6.6603643741307E+18
Circumference 4574292490.4296

Square

Length = n
Perimeter 2912085044
Area 530014956468030121
Diagonal 1029577541.0022

Cube

Length = n
Surface area 3180089738808180726
Volume 3.8586215695672E+26
Space diagonal 1260969813.0424

Equilateral Triangle

Length = n
Perimeter 2184063783
Area 2.2950320834351E+17
Altitude 630484906.52118

Triangular Pyramid

Length = n
Surface area 2.2950320834351E+17
Volume 4.5474291297894E+25
Height 343192513.66739