821640256 (number)

821640256 is an even 9-digits composite number following 821640255 and preceding 821640257. In scientific notation, it is written as 8.21640256 × 10^8. The sum of its digits is 34. It has a total of 9 prime factors and 56 positive divisors. There are 385565184 positive integers (up to 821640256) that are relatively prime to 821640256.

Interesting facts

Basic properties

Name

Name eight hundred twenty-one million six hundred forty thousand two hundred fifty-six

Notation

Scientific notation 8.21640256 × 10^8
Engineering notation 8.21640256 × 10^6

Prime Factorization of 821640256

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 19 × 109 × 6199

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 25676258
Product of the distinct prime numbers

The prime factorization of 821640256 is 2 × 2 × 2 × 2 × 2 × 2 × 19 × 109 × 6199. Since it has a total of 9 prime factors.

Most popular turbo-numbers

6, 4, 70, 10, 516, 899, 8662, 395, 15468, 19240, 1279, 633013, 2902368, 8530319, 98455598, 7208996, 583730008, 127080227, 3474016467, 4484452149

Basic calculations (n = 821640256)

Multiplication

n×y
n×2 1643280512
n×3 2464920768
n×4 3286561024
n×5 4108201280

Division

n÷y
n÷2 410820128
n÷3 273880085.33333
n÷3 205410064
n÷5 164328051.2

Exponentiation

ny
n2 675092710279745536
n3 5.5468334729798E+26
n4 4.5575016747285E+35
n5 3.7446268427444E+44

Nth Root

y√n
2√n 28664.267930648
3√n 936.61383749582
4√n 169.30525074742
5√n 60.664740171609

Divisors of 821640256

1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 109, 152, 218, 304, 436, 608, 872, 1216, 1744, 2071, 3488, 4142, 6199, 6976, 8284, 12398, 16568, 24796, 33136, 49592, 66272, 99184, 117781, 132544, 198368, 235562, 396736, 471124, 675691, 942248, 1351382, 1884496, 2702764, 3768992, 5405528, 7537984, 10811056, 12838129, 21622112, 25676258, 43244224, 51352516, 102705032, 205410064, 410820128, 821640256

56 divisors

τ Total Divisors 56
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -821640255
Sum of the proper positive divisors of n
A Arithmetic Mean 0.017857142857143
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 56
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 821640256 can be divided by 56 positive divisors. The sum of these divisors (counting 821640256) is 1, the average is 0.017857142857143.

Base conversion 821640256

Base System Value
2 Binary 110000111110010011110001000000
3 Ternary 2010021001122112121
4 Quaternary 300332103301000
5 Quinary 3140314442011
6 Senary 213310334024
8 Octal 6076236100
10 Decimal 821640256
12 Duodecimal 1ab1ba314
16 Hexadecimal 30f93c40
20 Vigesimal cgf50cg
36 Base36 dl6log

Cryptographic Hash Functions

md5 b383d1ca322cdbb534f3f77083904cf4
sha1 cf422177161ea891bb6e06f188befb68b76ff00f
sha256 9b9dc284854b31610a746bde30718d3ba6bb03d5c1c33c24f8522bf6ae84334b
sha512 123270482ba441bc40cdc5fe4eb610d01b1f96c0cb605e9806c75b35cf98934420188ff0d6ada0b13700063bbf3c03e2bf309abd145c2f461792e66f0aa0d0bc
ripemd-160 7444f4c2744fa920cc547073d24090ae50e34e92

821640256 as geometric shapes

Circle

Radius = n
Diameter 1643280512
Circumference 5162517984.2865
Area 2.1208662991069E+18

Sphere

Radius = n
Volume 2.3234521719199E+27
Surface area 8.4834651964275E+18
Circumference 5162517984.2865

Square

Length = n
Perimeter 3286561024
Area 675092710279745536
Diagonal 1161974793.4269

Cube

Length = n
Surface area 4050556261678473216
Volume 5.5468334729798E+26
Space diagonal 1423122668.9359

Equilateral Triangle

Length = n
Perimeter 2464920768
Area 2.9232371850597E+17
Altitude 711561334.46795

Triangular Pyramid

Length = n
Surface area 2.9232371850597E+17
Volume 6.5370059380943E+25
Height 387324931.1423