728968989350988864

Names of 728968989350988864

• Cardinal: 728968989350988864 can be written as Seven hundred twenty-eight quadrillion, nine hundred sixty-eight trillion, nine hundred eighty-nine billion, three hundred fifty million, nine hundred eighty-eight thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 7.28968989350988864 × 10¹⁷

Factors of 728968989350988864

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 3952768

Divisors of 728968989350988864

• Number of divisors d(n): 147
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 144 162 192 216 243 288 324 432 486 576 648 729 864 972 1296 1458 1728 1944 2592 2916 3888 5184 5832 7776 11664 15552 23328 46656 3952763 7905526 11858289 15811052 23716578 31622104 35574867 47433156 63244208 71149734 94866312 106724601 126488416 142299468 189732624 213449202 252976832 284598936 320173803 379465248 426898404 569197872 640347606 758930496 853796808 960521409 1138395744 1280695212 1707593616 1921042818 2276791488 2561390424 2881564227 3415187232 3842085636 5122780848 5763128454 6830374464 7684171272 10245561696 11526256908 15368342544 20491123392 23052513816 30736685088 46105027632 61473370176 92210055264 184420110528 15624335334169 31248670668338 46873006002507 62497341336676 93746012005014 124994682673352 140619018007521 187492024010028 249989365346704 281238036015042 374984048020056 421857054022563 499978730693408 562476072030084 749968096040112 843714108045126 999957461386816 1124952144060168 1265571162067689 1499936192080224 1687428216090252 2249904288120336 2531142324135378 2999872384160448 3374856432180504 3796713486203067 4499808576240672 5062284648270756 6749712864361008 7593426972406134 8999617152481344 10124569296541512 11390140458609201 13499425728722016 15186853944812268 20249138593083024 22780280917218402 26998851457444032 30373707889624536 40498277186166048 45560561834436804 60747415779249072 80996554372332096 91121123668873608 121494831558498144 182242247337747216 242989663116996288 364484494675494432 728968989350988864
• Sum of all divisors σ(n): 2168830160758456663
• Sum of proper divisors (its aliquot sum) s(n): 1439861171407467799
• 728968989350988864 is an abundant number, because the sum of its proper divisors (1439861171407467799) is greater than itself. Its abundance is 710892182056478935

Bases of 728968989350988864

• Binary: 101000011101110100010110111011111110100010101000110001000000₂
• Hexadecimal: 0xA1DD16EFE8A8C40
• Base-36: 5JDPXUL21000

Squares and roots of 728968989350988864

• 728968989350988864 squared (728968989350988864²) is 531395787435402115803870174652010496
• 728968989350988864 cubed (728968989350988864³) is 387371050112157986932345425512526357491099303307116544
• 728968989350988864 is a perfect square number. Its square root is 853796808
• The cube root of 728968989350988864 is 899987.2382350871

Scales and comparisons

• 728,968,989,350,988,864 seconds is equal to 23,178,959,012 years, 11 weeks, 6 days, 6 hours, 14 minutes, 24 seconds.
• To count from 1 to 728,968,989,350,988,864 would take you about sixty-nine billion, five hundred thirty-six million, eight hundred seventy-seven thousand and thirty-six 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 728968989350988864 cubic inches would be around 74998.9 feet tall.

Recreational maths with 728968989350988864

• 728968989350988864 backwards is 468889053989869827
• The number of decimal digits it has is: 18
• The sum of 728968989350988864's digits is 117
• More coming soon!