18915137330940

Names of 18915137330940

• Cardinal: 18915137330940 can be written as Eighteen trillion, nine hundred fifteen billion, one hundred thirty-seven million, three hundred thirty thousand, nine hundred forty.

Scientific notation

• Scientific notation: 1.891513733094 × 10¹³

Factors of 18915137330940

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 227

Divisors of 18915137330940

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 29 30 36 45 58 60 61 87 90 116 122 127 145 174 180 183 244 254 261 290 305 348 366 381 435 508 522 549 580 610 635 732 762 841 870 915 1044 1098 1143 1220 1270 1305 1524 1682 1740 1769 1830 1905 2196 2286 2523 2540 2610 2745 3364 3538 3660 3683 3810 4205 4572 5046 5220 5307 5490 5715 7076 7366 7569 7620 7747 8410 8845 10092 10614 10980 11049 11430 12615 14732 15138 15494 15921 16129 16820 17690 18415 21228 22098 22860 23241 25230 26535 30276 30988 31842 32258 33147 35380 36830 37845 38735 44196 46482 48387 50460 51301 53070 55245 63684 64516 66294 69723 73660 75690 77470 79605 80645 92964 96774 102602 106140 106807 110490 116205 132588 139446 145161 151380 153903 154940 159210 161290 165735 193548 205204 213614 220980 224663 232410 241935 256505 278892 290322 307806 318420 320421 322580 331470 348615 427228 449326 461709 464820 467741 483870 513010 534035 580644 615612 640842 662940 673989 697230 725805 769515 898652 923418 935482 961263 967740 983869 1026020 1068070 1123315 1281684 1347978 1394460 1403223 1451610 1539030 1602105 1846836 1870964 1922526 1967738 2021967 2048383 2136140 2246630 2308545 2338705 2695956 2806446 2903220 2951607 3078060 3204210 3369945 3845052 3935476 4043934 4096766 4209669 4493260 4617090 4677410 4806315 4919345 5612892 5903214 6145149 6408420 6515227 6739890 7016115 8087868 8193532 8419338 8854821 9234180 9354820 9612630 9838690 10109835 10241915 11806428 12290298 13030454 13479780 13564489 14032230 14758035 16838676 17709642 18435447 19225260 19545681 19677380 20219670 20483830 21048345 24580596 26060908 27128978 28064460 28532201 29516070 30725745 32576135 35419284 36870894 39091362 40439340 40693467 40967660 42096690 44274105 54257956 57064402 58637043 59032140 59403107 61451490 65152270 67822445 73741788 78182724 81386934 84193380 85596603 88548210 92177235 97728405 114128804 117274086 118806214 122080401 122902980 124951363 130304540 135644890 142661005 162773868 171193206 177096420 178209321 184354470 195456810 203467335 234548172 237612428 244160802 249902726 256789809 271289780 285322010 293185215 297015535 342386412 356418642 368708940 374854089 390913620 406934670 427983015 488321604 499805452 513579618 534627963 570644020 586370430 594031070 610402005 624756815 712837284 749708178 813869340 827433829 855966030 891046605 1027159236 1069255926 1124562267 1172740860 1188062140 1220804010 1249513630 1283949045 1499416356 1654867658 1711932060 1722690103 1782093210 1874270445 2138511852 2249124534 2441608020 2482301487 2499027260 2567898090 2673139815 3309735316 3445380206 3564186420 3623589527 3748540890 4137169145 4498249068 4964602974 5135796180 5168070309 5346279630 5622811335 6890760412 7247179054 7446904461 7497081780 8274338290 8613450515 9929205948 10336140618 10692559260 10870768581 11245622670 12411507435 14494358108 14893808922 15504210927 16548676580 17226901030 18117947635 20672281236 21741537162 22491245340 24823014870 25840351545 29787617844 31008421854 32612305743 34453802060 36235895270 37234522305 43483074324 49646029740 51680703090 54353842905 62016843708 65224611486 72471790540 74469044610 77521054635 103361406180 105084096283 108707685810 130449222972 148938089220 155042109270 163061528715 210168192566 217415371620 310084218540 315252288849 326123057430 420336385132 525420481415 630504577698 652246114860 945756866547 1050840962830 1261009155396 1576261444245 1891513733094 2101681925660 3152522888490 3783027466188 4728784332735 6305045776980 9457568665470 18915137330940
• Sum of all divisors σ(n): 60876100346880
• Sum of proper divisors (its aliquot sum) s(n): 41960963015940
• 18915137330940 is an abundant number, because the sum of its proper divisors (41960963015940) is greater than itself. Its abundance is 23045825685000

Bases of 18915137330940

• Binary: 100010011010000000110000010101001111011111100₂
• Hexadecimal: 0x1134060A9EFC
• Base-36: 6PDHSE4N0

Squares and roots of 18915137330940

• 18915137330940 squared (18915137330940²) is 357782420248319987081283600
• 18915137330940 cubed (18915137330940³) is 6767503613593060732459725954533194584000
• The square root of 18915137330940 is 4349153.6338625703
• The cube root of 18915137330940 is 26644.2295285069

Scales and comparisons

• 18,915,137,330,940 seconds is equal to 601,442 years, 44 weeks, 4 days, 14 hours, 9 minutes.
• To count from 1 to 18,915,137,330,940 would take you about one million, five hundred three thousand, six hundred 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 18915137330940 cubic inches would be around 2220.4 feet tall.

Recreational maths with 18915137330940

• 18915137330940 backwards is 04903373151981
• The number of decimal digits it has is: 14
• The sum of 18915137330940's digits is 54
• More coming soon!