78428085598728

Names of 78428085598728

• Cardinal: 78428085598728 can be written as Seventy-eight trillion, four hundred twenty-eight billion, eighty-five million, five hundred ninety-eight thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 7.8428085598728 × 10¹³

Factors of 78428085598728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 362

Divisors of 78428085598728

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 27 36 53 54 72 106 108 113 159 191 212 216 226 318 339 382 424 452 477 573 636 678 764 904 954 1017 1146 1272 1356 1431 1528 1719 1908 2034 2292 2712 2809 2862 3051 3438 3816 4068 4584 5157 5618 5724 5989 6102 6876 8136 8427 10123 10314 11236 11448 11978 12204 12769 13752 16854 17967 20246 20628 21583 22472 23956 24408 25281 25538 30369 33708 35934 38307 40492 41256 43166 47912 50562 51076 53901 60738 64749 67416 71868 75843 76614 80984 86332 91107 101124 102152 107802 114921 121476 129498 143736 148877 151686 153228 161703 172664 182214 194247 202248 215604 229842 242952 258996 273321 297754 303372 306456 317417 323406 344763 364428 388494 431208 446631 459684 517992 536519 546642 582741 595508 606744 634834 646812 676757 689526 728856 776988 893262 919368 952251 1073038 1093284 1143899 1165482 1191016 1269668 1293624 1339893 1353514 1379052 1553976 1609557 1786524 1904502 2030271 2146076 2186568 2287798 2330964 2438879 2539336 2679786 2707028 2758104 2856753 3219114 3431697 3573048 3809004 4019679 4060542 4292152 4575596 4661928 4828671 4877758 5359572 5414056 5713506 6090813 6438228 6863394 7316637 7618008 8039358 8121084 8570259 9151192 9657342 9755516 10295091 10719144 11427012 12181626 12876456 13726788 14486013 14633274 16078716 16242168 16823101 17140518 18272439 19314684 19511032 20590182 21949911 22854024 24363252 27453576 28435507 28972026 29266548 30885273 32157432 33646202 34281036 35868121 36544878 38629368 41180364 43899822 48726504 50469303 56871014 57944052 58533096 60626647 61770546 65849733 67292404 68562072 71736242 73089756 82360728 85306521 87799644 100938606 107604363 113742028 115888104 121253294 123541092 129260587 131699466 134584808 143472484 146179512 151407909 170613042 175599288 181879941 201877212 215208726 227484056 242506588 247082184 255919563 258521174 263398932 286944968 302815818 322813089 341226084 363759882 387781761 403754424 430417452 454223727 485013176 511839126 517042348 526797864 545639823 605631636 645626178 682452168 727519764 767758689 775563522 860834904 908447454 968439267 1023678252 1034084696 1091279646 1163345283 1211263272 1291252356 1455039528 1535517378 1551127044 1636919469 1816894908 1901010413 1936878534 2047356504 2182559292 2326690566 2582504712 3071034756 3102254088 3213212291 3273838938 3490035849 3633789816 3802020826 3873757068 4365118584 4653381132 5703031239 6142069512 6426424582 6547677876 6850811111 6980071698 7604041652 7747514136 9306762264 9639636873 11406062478 12852849164 13095355752 13701622222 13960143396 15208083304 17109093717 19279273746 20552433333 22812124956 25705698328 27403244444 27920286792 28918910619 34218187434 38558547492 41104866666 45624249912 51327281151 54806488888 57837821238 61657299999 68436374868 77117094984 82209733332 86756731857 102654562302 115675642476 123314599998 136872749736 164419466664 173513463714 184971899997 205309124604 231351284952 246629199996 347026927428 363092988883 369943799994 410618249208 493258399992 694053854856 726185977766 739887599988 1089278966649 1452371955532 1479775199976 2178557933298 2904743911064 3267836899947 4357115866596 6535673799894 8714231733192 9803510699841 13071347599788 19607021399682 26142695199576 39214042799364 78428085598728
• Sum of all divisors σ(n): 225200611584000
• Sum of proper divisors (its aliquot sum) s(n): 146772525985272
• 78428085598728 is an abundant number, because the sum of its proper divisors (146772525985272) is greater than itself. Its abundance is 68344440386544

Bases of 78428085598728

• Binary: 10001110101010001110110001011101011101000001000₂
• Hexadecimal: 0x4754762EBA08
• Base-36: RSTD57N60

Squares and roots of 78428085598728

• 78428085598728 squared (78428085598728²) is 6150964610681406310235217984
• 78428085598728 cubed (78428085598728³) is 482408379001267981442721083357192233124352
• The square root of 78428085598728 is 8855963.2789848449
• The cube root of 78428085598728 is 42804.6093673773

Scales and comparisons

• 78,428,085,598,728 seconds is equal to 2,493,770 years, 27 weeks, 3 days, 4 hours, 58 minutes, 48 seconds.
• To count from 1 to 78,428,085,598,728 would take you about six million, two hundred thirty-four thousand, four hundred twenty-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 78428085598728 cubic inches would be around 3567.1 feet tall.

Recreational maths with 78428085598728

• 78428085598728 backwards is 82789558082487
• The number of decimal digits it has is: 14
• The sum of 78428085598728's digits is 81
• More coming soon!