128020137798480

Names of 128020137798480

• Cardinal: 128020137798480 can be written as One hundred twenty-eight trillion, twenty billion, one hundred thirty-seven million, seven hundred ninety-eight thousand, four hundred eighty.

Scientific notation

• Scientific notation: 1.2802013779848 × 10¹⁴

Factors of 128020137798480

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 96232863

Divisors of 128020137798480

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 23 24 30 40 46 48 60 69 80 92 115 120 138 184 230 240 241 276 345 368 460 482 552 690 723 920 964 1104 1205 1380 1446 1840 1928 2410 2760 2892 3615 3856 4820 5520 5543 5784 7230 9640 11086 11568 14460 16629 19280 22172 27715 28920 33258 44344 55430 57840 66516 83145 88688 110860 133032 166290 221720 266064 332580 443440 665160 1330320 96232589 192465178 288697767 384930356 481162945 577395534 769860712 962325890 1154791068 1443488835 1539721424 1924651780 2213349547 2309582136 2886977670 3849303560 4426699094 4619164272 5773955340 6640048641 7698607120 8853398188 11066747735 11547910680 13280097282 17706796376 22133495470 23095821360 23192053949 26560194564 33200243205 35413592752 44266990940 46384107898 53120389128 66400486410 69576161847 88533981880 92768215796 106240778256 115960269745 132800972820 139152323694 177067963760 185536431592 231920539490 265601945640 278304647388 347880809235 371072863184 463841078980 531203891280 533417240827 556609294776 695761618470 927682157960 1066834481654 1113218589552 1391523236940 1600251722481 1855364315920 2133668963308 2667086204135 2783046473880 3200503444962 4267337926616 5334172408270 5566092947760 6401006889924 8001258612405 8534675853232 10668344816540 12802013779848 16002517224810 21336689633080 25604027559696 32005034449620 42673379266160 64010068899240 128020137798480
• Sum of all divisors σ(n): 415835648743680
• Sum of proper divisors (its aliquot sum) s(n): 287815510945200
• 128020137798480 is an abundant number, because the sum of its proper divisors (287815510945200) is greater than itself. Its abundance is 159795373146720

Bases of 128020137798480

• Binary: 11101000110111100000010110101100110101101010000₂
• Hexadecimal: 0x746F02D66B50
• Base-36: 19DNN0NVIO

Squares and roots of 128020137798480

• 128020137798480 squared (128020137798480²) is 16389155681941807621090310400
• 128020137798480 cubed (128020137798480³) is 2098141968802931666596520176068715848192000
• The square root of 128020137798480 is 11314598.4373498647
• The cube root of 128020137798480 is 50399.4847776441

Scales and comparisons

• 128,020,137,798,480 seconds is equal to 4,070,644 years, 20 weeks, 1 day, 20 hours, 28 minutes.
• To count from 1 to 128,020,137,798,480 would take you about ten million, one hundred seventy-six thousand, six hundred ten 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 128020137798480 cubic inches would be around 4200 feet tall.

Recreational maths with 128020137798480

• 128020137798480 backwards is 084897731020821
• 128020137798480 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 128020137798480's digits is 60
• More coming soon!