20918732432160

Names of 20918732432160

• Cardinal: 20918732432160 can be written as Twenty trillion, nine hundred eighteen billion, seven hundred thirty-two million, four hundred thirty-two thousand, one hundred sixty.

Scientific notation

• Scientific notation: 2.091873243216 × 10¹³

Factors of 20918732432160

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1213

Divisors of 20918732432160

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 17 20 24 30 32 34 40 48 51 60 68 80 85 89 96 102 120 136 160 170 178 181 204 233 240 255 267 272 340 356 362 408 445 466 480 510 534 543 544 680 683 699 712 724 816 890 905 932 1020 1068 1086 1165 1335 1360 1366 1398 1424 1448 1513 1632 1780 1810 1864 2040 2049 2136 2172 2330 2670 2715 2720 2732 2796 2848 2896 3026 3077 3415 3495 3560 3620 3728 3961 4080 4098 4272 4344 4539 4660 5340 5430 5464 5592 5792 6052 6154 6830 6990 7120 7240 7456 7565 7922 8160 8196 8544 8688 9078 9231 9320 10245 10680 10860 10928 11184 11611 11883 12104 12308 13660 13980 14240 14480 15130 15385 15844 16109 16392 17376 18156 18462 18640 19805 20490 20737 21360 21720 21856 22368 22695 23222 23766 24208 24616 27320 27960 28960 30260 30770 31688 32218 32784 34833 36312 36924 37280 39610 40980 41474 42173 42720 43440 45390 46155 46444 47532 48327 48416 49232 54640 55920 58055 59415 60520 60787 61540 62211 63376 64436 65568 69666 72624 73848 79220 80545 81960 82948 84346 86880 90780 92310 92888 95064 96654 98464 103685 109280 111840 116110 118830 121040 121574 123080 123623 124422 126519 126752 128872 139332 145248 147696 158440 159139 161090 163920 165896 168692 174165 181560 182361 184620 185776 190128 193308 207370 210865 232220 237660 241635 242080 243148 246160 247246 248844 253038 257744 273853 278664 295392 303935 311055 316880 318278 322180 327840 331792 337384 348330 352529 363120 364722 369240 370869 371552 380256 386616 414740 421730 464440 475320 477417 483270 486296 492320 494492 497688 506076 515488 547706 557328 607870 618115 622110 632595 633760 636556 644360 663584 674768 696660 705058 716941 726240 729444 738480 741738 773232 795695 821559 829480 843460 911805 928880 950640 954834 966540 972592 988984 995376 1012152 1033379 1057587 1095412 1114656 1215740 1236230 1244220 1265190 1273112 1288720 1349536 1369265 1393320 1410116 1433882 1458888 1476960 1483476 1546464 1591390 1643118 1658960 1686920 1762645 1823610 1854345 1857760 1901280 1909668 1933080 1945184 1977968 1990752 2024304 2066758 2101591 2115174 2150823 2190824 2387085 2431480 2472460 2488440 2530380 2546224 2577440 2705363 2738530 2786640 2820232 2867764 2917776 2966952 3100137 3182780 3286236 3317920 3373840 3525290 3584705 3647220 3708690 3753397 3819336 3866160 3955936 4048608 4107795 4133516 4203182 4230348 4301646 4381648 4774170 4862960 4944920 4976880 5060760 5092448 5166895 5287935 5410726 5477060 5573280 5640464 5735528 5835552 5933904 6200274 6304773 6365560 6572472 6747680 7050580 7169410 7294440 7417380 7506794 7638672 7732320 8116089 8215590 8267032 8406364 8460696 8603292 8763296 9548340 9725920 9889840 9953760 10121520 10333790 10507955 10575870 10754115 10821452 10954120 11002447 11260191 11280928 11471056 11867808 12400548 12609546 12731120 13144944 13526815 14101160 14163371 14338820 14588880 14834760 15013588 15277344 15500685 16232178 16431180 16534064 16812728 16921392 17206584 18766985 19096680 19779680 20243040 20667580 21015910 21151740 21508230 21642904 21908240 22004894 22520382 22942112 24801096 25219092 25462240 26289888 27053630 28202320 28326742 28677640 28804159 29177760 29669520 30027176 31001370 31523865 32464356 32862360 33007341 33068128 33625456 33842784 34413168 37533970 38193360 40580445 41335160 42031820 42303480 42490113 43016460 43285808 43816480 44009788 45040764 49602192 50438184 54107260 55012235 56300955 56404640 56653484 57355280 57608318 59339040 60054352 62002740 63047730 63807749 64928712 65724720 66014682 67250912 68826336 70816855 75067940 76386720 81160890 82670320 84063640 84606960 84980226 86032920 86412477 86571616 88019576 90081528 99204384 100876368 108214520 110024470 112601910 113306968 114710560 115216636 120108704 124005480 126095460 127615498 129857424 131449440 132029364 141633710 144020795 150135880 162321780 165036705 165340640 168127280 169213920 169960452 172065840 172824954 176039152 180163056 187041599 191423247 201752736 212450565 216429040 220048940 225203820 226613936 230433272 240777307 248010960 252190920 255230996 259714848 264058728 283267420 288041590 300271760 319038745 324643560 330073410 336254560 339920904 344131680 345649908 352078304 360326112 374083198 382846494 424901130 432062385 432858080 440097880 450407640 453227872 460866544 481554614 489670703 496021920 504381840 510461992 528117456 561124797 566534840 576083180 600543520 638077490 649287120 660146820 679841808 691299816 722331921 748166396 765692988 849802260 864124770 880195760 900815280 921733088 935207995 957116235 963109228 979341406 1008763680 1020923984 1056234912 1122249594 1133069680 1152166360 1203886535 1276154980 1298574240 1320293640 1359683616 1382599632 1444663842 1469012109 1496332792 1531385976 1699604520 1728249540 1760391520 1801630560 1870415990 1914232470 1926218456 1958682812 2041847968 2244499188 2266139360 2304332720 2407773070 2448353515 2552309960 2563570151 2640587280 2765199264 2805623985 2889327684 2938024218 2992665584 3062771952 3399209040 3456499080 3611659605 3740831980 3828464940 3852436912 3917365624 4488998376 4608665440 4815546140 4896707030 5104619920 5127140302 5281174560 5611247970 5778655368 5876048436 5985331168 6125543904 6798418080 6912998160 7223319210 7345060545 7481663960 7656929880 7690710453 7704873824 7834731248 8977996752 9631092280 9793414060 10209239840 10254280604 11222495940 11557310736 11752096872 12817850755 13825996320 14446638420 14690121090 14963327920 15313859760 15381420906 15669462496 17955993504 19262184560 19586828120 20508561208 22444991880 23114621472 23504193744 25635701510 28893276840 29380242180 29926655840 30627719520 30762841812 38453552265 38524369120 39173656240 41017122416 43580692567 44889983760 47008387488 51271403020 57786553680 58760484360 61525683624 76907104530 78347312480 82034244832 87161385134 89779967520 102542806040 115573107360 117520968720 123051367248 130742077701 153814209060 174322770268 205085612080 217903462835 235041937440 246102734496 261484155402 307628418120 348645540536 410171224160 435806925670 522968310804 615256836240 653710388505 697291081072 871613851340 1045936621608 1230513672480 1307420777010 1394582162144 1743227702680 2091873243216 2614841554020 3486455405360 4183746486432 5229683108040 6972910810720 10459366216080 20918732432160
• Sum of all divisors σ(n): 71352657492480
• Sum of proper divisors (its aliquot sum) s(n): 50433925060320
• 20918732432160 is an abundant number, because the sum of its proper divisors (50433925060320) is greater than itself. Its abundance is 29515192628160

Bases of 20918732432160

• Binary: 100110000011010000101100111011010001100100000₂
• Hexadecimal: 0x1306859DA320
• Base-36: 7EXXL6N1C

Squares and roots of 20918732432160

• 20918732432160 squared (20918732432160²) is 437593366568302629002265600
• 20918732432160 cubed (20918732432160³) is 9153898549330431687151485628838301696000
• The square root of 20918732432160 is 4573700.0811334361
• The cube root of 20918732432160 is 27553.6066995733

Scales and comparisons

• 20,918,732,432,160 seconds is equal to 665,150 years, 51 weeks, 1 day, 16 hours, 56 minutes.
• To count from 1 to 20,918,732,432,160 would take you about one million, six hundred sixty-two thousand, eight hundred seventy-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 20918732432160 cubic inches would be around 2296.1 feet tall.

Recreational maths with 20918732432160

• 20918732432160 backwards is 06123423781902
• 20918732432160 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 20918732432160's digits is 48
• More coming soon!