128268320519293988

Names of 128268320519293988

• Cardinal: 128268320519293988 can be written as One hundred twenty-eight quadrillion, two hundred sixty-eight trillion, three hundred twenty billion, five hundred nineteen million, two hundred ninety-three thousand, nine hundred eighty-eight.

Scientific notation

• Scientific notation: 1.28268320519293988 × 10¹⁷

Factors of 128268320519293988

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 47097

Divisors of 128268320519293988

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 11 22 37 43 44 71 74 86 142 148 172 284 407 473 521 781 814 946 1042 1093 1562 1591 1628 1892 2084 2186 2627 3053 3124 3182 4372 5254 5731 6106 6364 10508 11462 12023 12212 17501 19277 22403 22924 24046 28897 33583 35002 36991 38554 40441 44806 45319 46999 48092 57794 67166 70004 73982 77108 77603 80882 89612 90638 93998 112961 115588 134332 147964 155206 161764 181276 187996 212047 225922 246433 310412 406901 424094 444851 451844 492866 498509 516989 569453 813802 828911 848188 853633 889702 985732 997018 1033978 1138906 1242571 1368667 1590613 1627604 1657822 1676803 1707266 1738963 1779404 1948717 1994036 2067956 2277812 2485142 2737334 2871311 3181226 3217649 3315644 3336929 3353606 3414532 3477926 3897434 4970284 5474668 5742622 6263983 6362452 6435298 6673858 6707212 6955852 7794868 9118021 11485244 12527966 12870596 13347716 15055337 17496743 18236042 18444833 19128593 21069761 21435887 23611199 24486479 25055932 30110674 31584421 34993486 35394139 36472084 36706219 36889666 38257186 40431163 42139522 42871774 47222398 48972958 49533667 58852681 60221348 63168842 69986972 70788278 72102529 73412438 73779332 76514372 80862326 84279044 85743548 94444796 97945916 99067334 117705362 119053013 123466373 126337684 138358907 141576556 144205058 146824876 161724652 198134668 231767371 235410724 238106026 246932746 259723189 269351269 276717814 288410116 444742793 463534742 476212052 493865492 519446378 538702538 544870337 553435628 647379491 793127819 873614363 889485586 905999723 927069484 1015281557 1038892756 1077405076 1089740674 1294758982 1309583143 1358130103 1495953031 1521947977 1586255638 1676395129 1738540009 1747228726 1778971172 1811999446 1832745679 2030563114 2129947681 2179481348 2589517964 2619166286 2716260206 2991906062 3043895954 3172511276 3352790258 3477080018 3494457452 3516890357 3623998892 3665491358 4061126228 4259895362 5119279559 5238332572 5432520412 5983812124 6087791908 6705580516 6954160036 7033780714 7330982716 8519790724 9609757993 9965996953 10238559118 11168097127 14067561428 16455483341 18440346419 19123940099 19219515986 19931993906 20160202469 20477118236 22336194254 23429424491 25807040507 32910966682 36880692838 37565417609 38247880198 38439031972 38685793927 39863987812 40320404938 44672388508 46858848982 51614081014 56312075149 62026619773 64325980333 65821933364 72084990547 73761385676 75130835218 76495760396 77371587854 78808064197 80640809876 93717697964 103228162028 112624150298 124053239546 128651960666 130124943209 144169981094 150261670436 151226285351 154743175708 157616128394 225248300596 248106479092 257303921332 260249886418 283877445577 288339962188 302452570702 315232256788 413219593699 520499772836 567754891154 604905141404 682292817503 707585783663 792934896017 826439187398 866888706167 954860498759 1109702741801 1135509782308 1364585635006 1415171567326 1431374375299 1585869792034 1652878374796 1663489138861 1733777412334 1832299875997 1909720997518 2219405483602 2667144650239 2729171270012 2830343134652 2862748750598 3171739584068 3326978277722 3467554824668 3664599751994 3819441995036 4438810967204 5334289300478 5595372557987 5725497501196 6653956555444 7329199503988 10503465486349 10668578600956 11190745115974 12206730159811 20155298635967 21006930972698 22381490231948 24413460319622 29338591152629 40310597271934 41059001446637 42013861945396 48826920639244 58677182305258 61549098137857 67795095411889 78788894667871 80621194543868 82118002893274 117354364610516 123098196275714 135590190823778 157577789335742 164236005786548 246196392551428 271180381647556 315155578671484 451649015913007 745746049530779 866677841346581 903298031826014 1491492099061558 1733355682693162 1806596063652028 2915189102711227 2982984198123116 3466711365386324 5830378205422454 11660756410844908 32067080129823497 64134160259646994 128268320519293988
• Sum of all divisors σ(n): 261713292882370560
• Sum of proper divisors (its aliquot sum) s(n): 133444972363076572
• 128268320519293988 is an abundant number, because the sum of its proper divisors (133444972363076572) is greater than itself. Its abundance is 5176651843782584

Bases of 128268320519293988

• Binary: 111000111101100110101101110100000011111010000110000100100₂
• Hexadecimal: 0x1C7B35BA07D0C24
• Base-36: Z2ZBOYVAK9W

Squares and roots of 128268320519293988

• 128268320519293988 squared (128268320519293988²) is 16452762048840335123386565972944144
• 128268320519293988 cubed (128268320519293988³) is 2110368155908328152471135929398592714433344639006272
• The square root of 128268320519293988 is 358145669.4130113141
• The cube root of 128268320519293988 is 504320.3227947677

Scales and comparisons

• 128,268,320,519,293,988 seconds is equal to 4,078,535,832 years, 28 weeks, 3 days, 9 hours, 13 minutes, 8 seconds.
• To count from 1 to 128,268,320,519,293,988 would take you about twelve billion, two hundred thirty-five million, six hundred seven thousand, four hundred ninety-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 128268320519293988 cubic inches would be around 42026.7 feet tall.

Recreational maths with 128268320519293988

• 128268320519293988 backwards is 889392915023862821
• 128268320519293988 is a Harshad number.
• The number of decimal digits it has is: 18
• The sum of 128268320519293988's digits is 86
• More coming soon!