820220387168

Names of 820220387168

• Cardinal: 820220387168 can be written as Eight hundred twenty billion, two hundred twenty million, three hundred eighty-seven thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 8.20220387168 × 10¹¹

Factors of 820220387168

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1313

Divisors of 820220387168

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 32 52 56 91 104 112 169 182 208 224 338 364 416 676 728 1183 1291 1352 1456 2197 2366 2582 2704 2912 4394 4732 5164 5408 8788 9037 9464 10328 15379 16783 17576 18074 18928 20656 30758 33566 35152 36148 37856 41312 61516 67132 70304 72296 117481 123032 134264 144592 218179 234962 246064 268528 289184 436358 469924 492128 537056 872716 939848 1527253 1666681 1745432 1879696 2836327 3054506 3333362 3490864 3759392 5672654 6109012 6666724 6981728 11345308 11666767 12218024 13333448 19854289 21666853 22690616 23333534 24436048 26666896 39708578 43333706 45381232 46667068 48872096 53333792 79417156 86667412 90762464 93334136 151667971 158834312 173334824 186668272 281669089 303335942 317668624 346669648 373336544 563338178 606671884 635337248 693339296 1126676356 1213343768 1971683623 2253352712 2426687536 3661698157 3943367246 4506705424 4853375072 7323396314 7886734492 9013410848 14646792628 15773468984 25631887099 29293585256 31546937968 51263774198 58587170512 63093875936 102527548396 117174341024 205055096792 410110193584 820220387168
• Sum of all divisors σ(n): 2000766972960
• Sum of proper divisors (its aliquot sum) s(n): 1180546585792
• 820220387168 is an abundant number, because the sum of its proper divisors (1180546585792) is greater than itself. Its abundance is 360326198624

Bases of 820220387168

• Binary: 1011111011111000111100011101111101100000₂
• Hexadecimal: 0xBEF8F1DF60
• Base-36: AGSY1H7K

Squares and roots of 820220387168

• 820220387168 squared (820220387168²) is 672761483526023819060224
• 820220387168 cubed (820220387168³) is 551812684489433310673166907188805632
• The square root of 820220387168 is 905660.1940948935
• The cube root of 820220387168 is 9360.7400855135

Scales and comparisons

• 820,220,387,168 seconds is equal to 26,080 years, 24 weeks, 3 days, 12 hours, 26 minutes, 8 seconds.
• To count from 1 to 820,220,387,168 would take you about fifty-two thousand, one hundred sixty 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 820220387168 cubic inches would be around 780.1 feet tall.

Recreational maths with 820220387168

• 820220387168 backwards is 861783022028
• The number of decimal digits it has is: 12
• The sum of 820220387168's digits is 47
• More coming soon!