820001409752

Names of 820001409752

• Cardinal: 820001409752 can be written as Eight hundred twenty billion, one million, four hundred nine thousand, seven hundred fifty-two.

Scientific notation

• Scientific notation: 8.20001409752 × 10¹¹

Factors of 820001409752

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 8093

Divisors of 820001409752

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 7 8 14 28 49 56 73 98 146 196 292 343 392 511 584 686 1022 1372 2044 2401 2744 3577 4088 4802 5329 7154 8011 9604 10658 14308 16022 19208 21316 25039 28616 32044 37303 42632 50078 56077 64088 74606 100156 112154 149212 175273 200312 224308 261121 298424 350546 392539 448616 522242 584803 701092 785078 1044484 1169606 1402184 1570156 1827847 2088968 2339212 2747773 3140312 3655694 4093621 4678424 5495546 7311388 8187242 10991092 12794929 14622776 16374484 19234411 21982184 25589858 28655347 32748968 38468822 42690619 51179716 57310694 76937644 85381238 102359432 114621388 153875288 170762476 200587429 229242776 298834333 341524952 401174858 597668666 802349716 1195337332 1404112003 1604699432 2091840331 2390674664 2808224006 4183680662 5616448012 8367361324 11232896024 14642882317 16734722648 29285764634 58571529268 102500176219 117143058536 205000352438 410000704876 820001409752
• Sum of all divisors σ(n): 1818780444540
• Sum of proper divisors (its aliquot sum) s(n): 998779034788
• 820001409752 is an abundant number, because the sum of its proper divisors (998779034788) is greater than itself. Its abundance is 178777625036

Bases of 820001409752

• Binary: 1011111011101011111001001000101011011000₂
• Hexadecimal: 0xBEEBE48AD8
• Base-36: AGPBO15K

Squares and roots of 820001409752

• 820001409752 squared (820001409752²) is 672402311995267400701504
• 820001409752 cubed (820001409752³) is 551370843756623408527441953746667008
• The square root of 820001409752 is 905539.2922187309
• The cube root of 820001409752 is 9359.9069870161

Scales and comparisons

• 820,001,409,752 seconds is equal to 26,073 years, 26 weeks, 3 days, 1 hour, 22 minutes, 32 seconds.
• To count from 1 to 820,001,409,752 would take you about fifty-two thousand, one hundred forty-seven 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 820001409752 cubic inches would be around 780 feet tall.

Recreational maths with 820001409752

• 820001409752 backwards is 257904100028
• The number of decimal digits it has is: 12
• The sum of 820001409752's digits is 38
• More coming soon!