12642429720840

Names of 12642429720840

• Cardinal: 12642429720840 can be written as Twelve trillion, six hundred forty-two billion, four hundred twenty-nine million, seven hundred twenty thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.264242972084 × 10¹³

Factors of 12642429720840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 627

Divisors of 12642429720840

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 17 20 24 30 34 40 51 60 68 79 85 102 120 136 158 170 204 237 255 289 316 340 395 408 474 510 521 578 632 680 790 867 948 1020 1042 1156 1185 1343 1445 1563 1580 1734 1896 2040 2084 2312 2370 2605 2686 2890 3126 3160 3468 4029 4168 4335 4740 4913 5210 5372 5780 6252 6715 6936 7815 8058 8670 8857 9480 9826 10420 10744 11560 12504 13430 14739 15630 16116 17340 17714 19652 20145 20840 22831 24565 26571 26860 29478 31260 32232 34680 35428 39304 40290 41159 44285 45662 49130 53142 53720 58956 62520 68493 70856 73695 80580 82318 88570 91324 98260 106284 114155 117912 123477 132855 136986 147390 150569 161160 164636 177140 182648 196520 205795 212568 228310 246954 265710 271441 273972 294780 301138 329272 342465 354280 388127 411590 451707 456620 493908 531420 542882 547944 589560 602276 617385 684930 699703 752845 776254 814323 823180 903414 913240 987816 1062840 1085764 1164381 1204552 1234770 1357205 1369860 1399406 1505690 1552508 1628646 1646360 1806828 1940635 2099109 2171528 2258535 2328762 2469540 2559673 2714410 2739720 2798812 3011380 3105016 3257292 3498515 3613656 3881270 4071615 4198218 4517070 4614497 4657524 4939080 5119346 5428820 5597624 5821905 6022760 6514584 6997030 7679019 7762540 8143230 8396436 9034140 9228994 9315048 10238692 10495545 10857640 11643810 11894951 12798365 13843491 13994060 15358038 15525080 16286460 16792872 18068280 18457988 20477384 20991090 21443839 23072485 23287620 23789902 25596730 27686982 27988120 30716076 32572920 35684853 36915976 38395095 41982180 42887678 46144970 46575240 47579804 51193460 55373964 59474755 61432152 64331517 69217455 71369706 76790190 78446449 83964360 85775356 92289940 95159608 102386920 107219195 110747928 118949510 128663034 138434910 142739412 153580380 156892898 171550712 178424265 184579880 202214167 214438390 235339347 237899020 257326068 276869820 285478824 307160760 313785796 321657585 356848530 364545263 392232245 404428334 428876780 470678694 475798040 514652136 553739640 606642501 627571592 643315170 713697060 729090526 784464490 808856668 857753560 941357388 1011070835 1093635789 1176696735 1213285002 1286630340 1333589633 1427394120 1458181052 1568928980 1617713336 1822726315 1882714776 2022141670 2187271578 2353393470 2426570004 2573260680 2667179266 2916362104 3033212505 3137857960 3645452630 4000768899 4044283340 4374543156 4706786940 4853140008 5334358532 5468178945 6066425010 6197269471 6667948165 7290905260 8001537798 8088566680 8749086312 9413573880 10668717064 10936357890 12132850020 12394538942 13335896330 14581810520 16003075596 18591808413 20003844495 21872715780 24265700040 24789077884 26671792660 30986347355 32006151192 37183616826 40007688990 43745431560 49578155768 53343585320 61972694710 74367233652 80015377980 92959042065 105353581007 123945389420 148734467304 160030755960 185918084130 210707162014 247890778840 316060743021 371836168260 421414324028 526767905035 632121486042 743672336520 842828648056 1053535810070 1264242972084 1580303715105 2107071620140 2528485944168 3160607430210 4214143240280 6321214860420 12642429720840
• Sum of all divisors σ(n): 40885829568000
• Sum of proper divisors (its aliquot sum) s(n): 28243399847160
• 12642429720840 is an abundant number, because the sum of its proper divisors (28243399847160) is greater than itself. Its abundance is 15600970126320

Bases of 12642429720840

• Binary: 10110111111110001011100010000101100100001000₂
• Hexadecimal: 0xB7F8B885908
• Base-36: 4HBUO8KCO

Squares and roots of 12642429720840

• 12642429720840 squared (12642429720840²) is 159831029246378560330305600
• 12642429720840 cubed (12642429720840³) is 2020652554456863578057626524799888704000
• The square root of 12642429720840 is 3555619.4566966809
• The cube root of 12642429720840 is 23295.7581727415

Scales and comparisons

• 12,642,429,720,840 seconds is equal to 401,990 years, 8 weeks, 2 days, 1 hour, 34 minutes.
• To count from 1 to 12,642,429,720,840 would take you about one million, four thousand, nine hundred seventy-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 12642429720840 cubic inches would be around 1941.3 feet tall.

Recreational maths with 12642429720840

• 12642429720840 backwards is 04802792424621
• 12642429720840 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 12642429720840's digits is 51
• More coming soon!