28729774379790

Names of 28729774379790

• Cardinal: 28729774379790 can be written as Twenty-eight trillion, seven hundred twenty-nine billion, seven hundred seventy-four million, three hundred seventy-nine thousand, seven hundred ninety.

Scientific notation

• Scientific notation: 2.872977437979 × 10¹³

Factors of 28729774379790

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 553140

Divisors of 28729774379790

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 5 6 9 10 11 15 18 19 22 27 30 33 38 45 54 55 57 66 81 90 95 99 110 114 135 162 165 171 190 198 209 270 285 297 307 330 342 405 418 495 513 570 594 614 627 810 855 891 921 990 1026 1045 1254 1485 1535 1539 1710 1782 1842 1881 2090 2565 2763 2970 3070 3078 3135 3377 3762 4455 4605 5130 5526 5643 5833 6270 6754 7695 8289 8910 9210 9405 10131 11286 11666 13815 15390 16578 16885 16929 17499 18810 20262 24867 27630 28215 29165 30393 33770 33858 34998 41445 49734 50655 52497 56430 58330 60786 64163 82890 84645 87495 91179 101310 104994 124335 128326 151965 157491 169290 174990 182358 192489 248670 262485 273537 303930 314982 320815 384978 455895 472473 524970 547074 552793 577467 641630 787455 911790 944946 962445 1105586 1154934 1367685 1574910 1658379 1732401 1924890 2362365 2735370 2763965 2887335 3316758 3464802 4724730 4975137 5197203 5527930 5774670 6080723 8291895 8662005 9950274 10394406 10503067 12161446 14925411 16583790 17324010 18242169 21006134 24875685 25986015 29850822 30403615 31509201 36484338 44776233 49751370 51972030 52515335 54726507 60807230 63018402 74627055 89552466 91210845 94527603 105030670 109453014 115533737 149254110 157546005 164179521 169707451 182421690 189055206 223881165 231067474 273632535 283582809 315092010 328359042 339414902 346601211 447762330 472638015 492538563 509122353 547265070 567165618 577668685 693202422 820897605 848537255 850748427 945276030 985077126 1018244706 1039803633 1155337370 1417914045 1527367059 1641795210 1697074510 1701496854 1733006055 1866781961 2079607266 2462692815 2545611765 2835828090 3054734118 3119410899 3224441569 3466012110 3733563922 4253742135 4582101177 4925385630 5091223530 5199018165 5600345883 6238821798 6448883138 7636835295 8507484270 9164202354 9333909805 9358232697 9673324707 10398036330 11200691766 13746303531 15273670590 15597054495 16122207845 16801037649 18667819610 18716465394 19346649414 22910505885 27492607062 28001729415 29019974121 31194108990 32244415690 33602075298 35468857259 45821011770 46791163485 48366623535 50403112947 56003458830 58039948242 68731517655 70937714518 84005188245 87059922363 93582326970 96733247070 100806225894 106406571777 137463035310 145099870605 151209338841 168010376490 174119844726 177344286295 212813143554 252015564735 261179767089 290199741210 302418677682 319219715331 354688572590 435299611815 504031129470 522359534178 532032858885 638439430662 756046694205 870599223630 957659145993 1064065717770 1305898835445 1512093388410 1596098576655 1915318291986 2611797670890 2872977437979 3192197153310 4788295729965 5745954875958 9576591459930 14364887189895 28729774379790
• Sum of all divisors σ(n): 88998595741440
• Sum of proper divisors (its aliquot sum) s(n): 60268821361650
• 28729774379790 is an abundant number, because the sum of its proper divisors (60268821361650) is greater than itself. Its abundance is 31539046981860

Bases of 28729774379790

• Binary: 110100010000100101011111111110001001100001110₂
• Hexadecimal: 0x1A212BFF130E
• Base-36: A6M9XVUVI

Squares and roots of 28729774379790

• 28729774379790 squared (28729774379790²) is 825399935913637879160444100
• 28729774379790 cubed (28729774379790³) is 23713553931891941446759398858978464739000
• The square root of 28729774379790 is 5360016.2667467717
• The cube root of 28729774379790 is 30627.4428722255

Scales and comparisons

• 28,729,774,379,790 seconds is equal to 913,517 years, 49 weeks, 5 days, 19 hours, 16 minutes, 30 seconds.
• To count from 1 to 28,729,774,379,790 would take you about two million, two hundred eighty-three thousand, seven hundred ninety-four 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 28729774379790 cubic inches would be around 2552.3 feet tall.

Recreational maths with 28729774379790

• 28729774379790 backwards is 09797347792782
• 28729774379790 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 28729774379790's digits is 81
• More coming soon!