821002140993001056

Names of 821002140993001056

• Cardinal: 821002140993001056 can be written as Eight hundred twenty-one quadrillion, two trillion, one hundred forty billion, nine hundred ninety-three million, one thousand and fifty-six.

Scientific notation

• Scientific notation: 8.21002140993001056 × 10¹⁷

Factors of 821002140993001056

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 31394780

Divisors of 821002140993001056

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 96 1693 3386 5079 6772 10158 13544 20316 27088 40632 54176 81264 161743 162528 323486 485229 646972 970458 1293944 1940916 2587888 3881832 5175776 7763664 15527328 31231339 62462678 93694017 124925356 187388034 249850712 273830899 374776068 499701424 547661798 749552136 821492697 999402848 1095323596 1499104272 1642985394 2190647192 2998208544 3285970788 4381294384 6571941576 8762588768 13143883152 26287766304 52874656927 105749313854 158623970781 211498627708 317247941562 422997255416 634495883124 845994510832 1268991766248 1691989021664 2537983532496 5051450463877 5075967064992 10102900927754 15154351391631 20205801855508 30308702783262 40411603711016 60617405566524 80823207422032 121234811133048 161646414844064 242469622266096 484939244532192 8552105635343761 17104211270687522 25656316906031283 34208422541375044 51312633812062566 68416845082750088 102625267624125132 136833690165500176 205250535248250264 273667380331000352 410501070496500528 821002140993001056
• Sum of all divisors σ(n): 2156416986953940480
• Sum of proper divisors (its aliquot sum) s(n): 1335414845960939424
• 821002140993001056 is an abundant number, because the sum of its proper divisors (1335414845960939424) is greater than itself. Its abundance is 514412704967938368

Bases of 821002140993001056

• Binary: 101101100100110010010001100011101101101110010001011001100000₂
• Hexadecimal: 0xB64C918EDB91660
• Base-36: 68JWYWRW4G2O

Squares and roots of 821002140993001056

• 821002140993001056 squared (821002140993001056²) is 674044515515091584982570777217115136
• 821002140993001056 cubed (821002140993001056³) is 553391990362480309264176798621121294653727111321583616
• The square root of 821002140993001056 is 906091684.6506213557
• The cube root of 821002140993001056 is 936371.3055072673

Scales and comparisons

• 821,002,140,993,001,056 seconds is equal to 26,105,328,557 years, 11 weeks, 1 day, 9 hours, 37 minutes, 36 seconds.
• To count from 1 to 821,002,140,993,001,056 would take you about seventy-eight billion, three hundred fifteen million, nine hundred eighty-five thousand, six hundred seventy-one years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 821002140993001056 cubic inches would be around 78030.9 feet tall.

Recreational maths with 821002140993001056

• 821002140993001056 backwards is 650100399041200128
• The number of decimal digits it has is: 18
• The sum of 821002140993001056's digits is 51
• More coming soon!