816286721 (number)

816286721 is an odd 9-digits composite number following 816286720 and preceding 816286722. In scientific notation, it is written as 8.16286721 × 10^8. The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors. There are 732872448 positive integers (up to 816286721) that are relatively prime to 816286721.

Interesting facts

Basic properties

Name

Name eight hundred sixteen million two hundred eighty-six thousand seven hundred twenty-one

Notation

Scientific notation 8.16286721 × 10^8
Engineering notation 8.16286721 × 10^6

Prime Factorization of 816286721

Prime Factorization 19 × 23 × 109 × 17137

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 816286721
Product of the distinct prime numbers

The prime factorization of 816286721 is 19 × 23 × 109 × 17137. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 7, 27, 80, 19, 229, 9243, 2394, 46670, 1477, 902469, 323070, 4573922, 5097145, 64028267, 97951931, 782707906, 659247185, 2440323339, 6074318484

Basic calculations (n = 816286721)

Multiplication

n×y
n×2 1632573442
n×3 2448860163
n×4 3265146884
n×5 4081433605

Division

n÷y
n÷2 408143360.5
n÷3 272095573.66667
n÷3 204071680.25
n÷5 163257344.2

Exponentiation

ny
n2 666324010880931841
n3 5.4391144196556E+26
n4 4.4398768747645E+35
n5 3.6242125357453E+44

Nth Root

y√n
2√n 28570.731894721
3√n 934.57518177313
4√n 169.02879013565
5√n 60.58547906649

Divisors of 816286721

1, 19, 23, 109, 437, 2071, 2507, 17137, 47633, 325603, 394151, 1867933, 7488869, 35490727, 42962459, 816286721

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 -816286720
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 816286721 can be divided by 16 positive divisors. The sum of these divisors (counting 816286721) is 1, the average is 0.0625.

Base conversion 816286721

Base System Value
2 Binary 110000101001111000110000000001
3 Ternary 2002212222122212112
4 Quaternary 300221320300001
5 Quinary 3132432133341
6 Senary 212555505105
8 Octal 6051706001
10 Decimal 816286721
12 Duodecimal 1a9458195
16 Hexadecimal 30a78c01
20 Vigesimal cf1fgg1
36 Base36 dhzuv5

Cryptographic Hash Functions

md5 d845ad1173843e6574be0bc5756d730d
sha1 222d5558577dd4b870a4bf59e259418dd80aefda
sha256 9c529480e129a124019ae643967b1626d0b97b6a2a68c389132bff9e74d635f2
sha512 8118653f9dcae0034364e506e1c2c7eebe1f0828fadbbe06d1cad0c0c0cf3bb091a35748c3b34b03a9a1351db2e9f460a32f7a2c6641a4c2b272221d533f61f5
ripemd-160 70dc7f63f038d893653034d038651bacd3e774cb

816286721 as geometric shapes

Circle

Radius = n
Diameter 1632573442
Circumference 5128880731.833
Area 2.093318617494E+18

Sphere

Radius = n
Volume 2.2783309203766E+27
Surface area 8.3732744699761E+18
Circumference 5128880731.833

Square

Length = n
Perimeter 3265146884
Area 666324010880931841
Diagonal 1154403751.6233

Cube

Length = n
Surface area 3997944065285591046
Volume 5.4391144196556E+26
Space diagonal 1413850074.3158

Equilateral Triangle

Length = n
Perimeter 2448860163
Area 2.8852676028721E+17
Altitude 706925037.1579

Triangular Pyramid

Length = n
Surface area 2.8852676028721E+17
Volume 6.4100578163134E+25
Height 384801250.54109