68428732819680

Names of 68428732819680

• Cardinal: 68428732819680 can be written as Sixty-eight trillion, four hundred twenty-eight billion, seven hundred thirty-two million, eight hundred nineteen thousand, six hundred eighty.

Scientific notation

• Scientific notation: 6.842873281968 × 10¹³

Factors of 68428732819680

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1128

Divisors of 68428732819680

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 72 80 90 96 108 120 127 135 144 160 180 216 240 254 270 288 360 381 432 480 508 540 635 720 762 864 991 1016 1080 1143 1270 1440 1524 1905 1982 2032 2160 2286 2540 2973 3048 3429 3810 3964 4064 4320 4572 4955 5080 5715 5946 6096 6858 7620 7928 8919 9144 9910 10160 11430 11892 12192 13716 14865 15240 15856 16129 17145 17838 18288 19820 20320 22860 23784 26757 27432 29730 30480 31712 32258 34290 35676 36576 39640 44595 45720 47568 48387 53514 54864 59460 60960 64516 68580 71352 79280 80645 89190 91440 95136 96774 107028 109728 118920 125857 129032 133785 137160 142704 145161 158560 161290 178380 182880 193548 214056 237840 241935 251714 258064 267570 274320 285408 290322 322580 356760 377571 387096 428112 435483 475680 483870 503428 516128 535140 548640 580644 629285 645160 713520 725805 755142 774192 856224 870966 967740 982081 1006856 1070280 1132713 1161288 1258570 1290320 1427040 1451610 1510284 1548384 1741932 1887855 1935480 1964162 2013712 2140560 2177415 2265426 2322576 2517140 2580640 2903220 2946243 3020568 3398139 3483864 3775710 3870960 3928324 4027424 4281120 4354830 4530852 4645152 4910405 5034280 5663565 5806440 5892486 6041136 6796278 6967728 7551420 7741920 7856648 8709660 8838729 9061704 9820810 10068560 11327130 11612880 11784972 12082272 13592556 13935456 14731215 15102840 15713296 15983839 16990695 17419320 17677458 18123408 19641620 20137120 22654260 23225760 23569944 26516187 27185112 29462430 30205680 31426592 31967678 33981390 34838640 35354916 36246816 39283240 44193645 45308520 47139888 47951517 53032374 54370224 58924860 60411360 63935356 67962780 69677280 70709832 78566480 79919195 88387290 90617040 94279776 95903034 106064748 108740448 117849720 124724287 127870712 132580935 135925560 141419664 143854551 157132960 159838390 176774580 181234080 191806068 212129496 235699440 239757585 249448574 255741424 265161870 271851120 282839328 287709102 319676780 353549160 374172861 383612136 424258992 431563653 471398880 479515170 498897148 511482848 530323740 543702240 575418204 623621435 639353560 707098320 719272755 748345722 767224272 848517984 863127306 959030340 997794296 1060647480 1122518583 1150836408 1247242870 1278707120 1414196640 1438545510 1496691444 1534448544 1726254612 1870864305 1918060680 1995588592 2121294960 2157818265 2245037166 2301672816 2494485740 2557414240 2877091020 2993382888 3367555749 3452509224 3741728610 3836121360 3991177184 4242589920 4315636530 4490074332 4603345632 4988971480 5612592915 5754182040 5986765776 6735111498 6905018448 7483457220 7672242720 8631273060 8980148664 9977942960 11225185830 11508364080 11973531552 13470222996 13810036896 14966914440 15839984449 16837778745 17262546120 17960297328 19955885920 22450371660 23016728160 26940445992 29933828880 31679968898 33675557490 34525092240 35920594656 44900743320 47519953347 53880891984 59867657760 63359937796 67351114980 69050184480 79199922245 89801486640 95039906694 107761783968 126719875592 134702229960 142559860041 158399844490 179602973280 190079813388 237599766735 253439751184 269404459920 285119720082 316799688980 380159626776 427679580123 475199533470 506879502368 538808919840 570239440164 633599377960 712799300205 760319253552 855359160246 950399066940 1140478880328 1267198755920 1425598600410 1520638507104 1710718320492 1900798133880 2138397900615 2280957760656 2534397511840 2851197200820 3421436640984 3801596267760 4276795801230 4561915521312 5702394401640 6842873281968 7603192535520 8553591602460 11404788803280 13685746563936 17107183204920 22809577606560 34214366409840 68428732819680
• Sum of all divisors σ(n): 241645084546320
• Sum of proper divisors (its aliquot sum) s(n): 173216351726640
• 68428732819680 is an abundant number, because the sum of its proper divisors (173216351726640) is greater than itself. Its abundance is 104787618906960

Bases of 68428732819680

• Binary: 1111100011110001001110010011111110100011100000₂
• Hexadecimal: 0x3E3C4E4FE8E0
• Base-36: O97Q4QRC0

Squares and roots of 68428732819680

• 68428732819680 squared (68428732819680²) is 4682491475307150763395302400
• 68428732819680 cubed (68428732819680³) is 320416958094222249751737895728418271232000
• The square root of 68428732819680 is 8272166.1503913229
• The cube root of 68428732819680 is 40902.1527153025

Scales and comparisons

• 68,428,732,819,680 seconds is equal to 2,175,822 years, 2 weeks, 10 hours, 48 minutes.
• To count from 1 to 68,428,732,819,680 would take you about five million, four hundred thirty-nine thousand, five hundred fifty-five 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 68428732819680 cubic inches would be around 3408.5 feet tall.

Recreational maths with 68428732819680

• 68428732819680 backwards is 08691823782486
• 68428732819680 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 68428732819680's digits is 72
• More coming soon!