215021367990

Names of 215021367990

• Cardinal: 215021367990 can be written as Two hundred fifteen billion, twenty-one million, three hundred sixty-seven thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 2.1502136799 × 10¹¹

Factors of 215021367990

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1977

Divisors of 215021367990

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 5 6 9 10 11 13 15 18 22 23 26 27 30 33 39 43 45 46 54 55 65 66 69 78 81 86 90 99 110 115 117 129 130 135 138 143 162 165 195 198 207 215 230 234 253 258 270 286 297 299 330 345 351 387 390 405 414 429 430 473 495 506 559 585 594 598 621 645 690 702 715 759 774 810 858 891 897 946 989 990 1035 1053 1118 1161 1170 1242 1265 1287 1290 1419 1430 1485 1495 1518 1677 1755 1782 1794 1863 1877 1935 1978 2070 2106 2145 2277 2322 2365 2530 2574 2691 2795 2838 2967 2970 2990 3105 3289 3354 3483 3510 3726 3754 3795 3861 3870 4257 4290 4455 4485 4554 4730 4945 5031 5265 5382 5590 5631 5805 5934 6149 6210 6435 6578 6831 6966 7095 7590 7722 8073 8385 8514 8901 8910 8970 9315 9385 9867 9890 10062 10530 10879 11262 11385 11583 11610 12298 12771 12857 12870 13455 13662 14190 14835 15093 16146 16445 16770 16893 17415 17802 18447 18630 18770 19305 19734 20493 20647 21285 21758 22770 23166 24219 24401 25155 25542 25714 26703 26910 28155 29601 29670 30186 30745 32637 32890 33786 34155 34830 36894 38313 38571 38610 40365 40986 41294 42570 43171 44505 45279 48438 48802 49335 50310 50679 53406 54395 55341 56310 57915 59202 61490 61941 63855 64285 65274 68310 73203 75465 76626 77142 80109 80711 80730 84465 86342 88803 89010 90558 92235 97911 98670 101358 102465 103235 108790 110682 115713 115830 121095 122005 123882 127710 128570 129513 133515 141427 146406 148005 150930 152037 160218 161422 163185 166023 168930 177606 184470 185823 191565 192855 195822 204930 206470 215855 219609 226395 231426 242133 242190 244010 253395 259026 266409 267030 268411 276705 282854 293733 296010 304074 309705 326370 332046 347139 366015 371646 383130 385710 388539 400545 403555 424281 431710 439218 444015 452790 474881 484266 489555 498069 506790 532818 536822 553410 557469 561223 578565 587466 619410 647565 658827 694278 707135 726399 732030 760185 777078 801090 805233 807110 830115 848562 881199 887821 888030 929115 949762 979110 996138 1041417 1049243 1098045 1114938 1122446 1157130 1165617 1210665 1272843 1295130 1317654 1332045 1342055 1414270 1424643 1452798 1468665 1520370 1610466 1660230 1672407 1683669 1735695 1762398 1775642 1856353 1858230 1942695 1976481 2082834 2098486 2121405 2179197 2196090 2331234 2374405 2415699 2421330 2490345 2545686 2663463 2664090 2684110 2787345 2806115 2849286 2937330 3147729 3294135 3344814 3367338 3471390 3496851 3631995 3712706 3818529 3885390 3952962 4026165 4242810 4273929 4358394 4405995 4439105 4748810 4831398 4980690 5051007 5207085 5246215 5326926 5569059 5574690 5612230 5828085 6173453 6295458 6364215 6537591 6588270 6993702 7123215 7247097 7263990 7637058 7990389 8052330 8362035 8418345 8547858 8811990 8878210 9281765 9443187 9882405 10102014 10414170 10492430 10895985 11138118 11455587 11541673 11656170 12078495 12346906 12728430 12821787 13075182 13317315 14246430 14494194 15153021 15738645 15980778 16707177 16724070 16836690 17484255 18520359 18563530 18886374 19092645 19764810 20419883 21369645 21741291 21791970 22911174 23083346 23971167 24132589 24156990 25255035 25643574 26634630 27845295 28329561 30306042 30867265 31477290 32687955 33414354 34625019 34968510 36235485 37040718 38185290 38465361 39951945 40839766 42739290 43482582 45459063 47215935 47942334 48265178 50121531 50510070 55561077 55690590 56659122 57277935 57708365 61259649 61734530 64108935 65375910 69250038 71913501 72397767 72470970 75765105 76930722 79903890 83535885 84988683 90918126 92601795 94431870 100243062 102099415 103875057 108706455 111122154 114555870 115416730 119855835 120662945 122519298 128217870 141647805 143827002 144795534 150364593 151530210 166683231 167071770 169977366 173125095 183778947 185203590 192326805 204198830 207750114 217193301 217412910 227295315 239711670 241325890 250607655 265458479 277805385 283295610 300729186 306298245 311625171 333366462 346250190 359567505 361988835 367557894 384653610 424943415 434386602 454590630 500049693 501215310 519375285 530916958 551336841 555610770 612596490 623250342 651579903 719135010 723977670 751822965 796375437 833416155 849886830 918894735 934875513 1000099386 1038750570 1085966505 1102673682 1303159806 1327292395 1503645930 1558125855 1592750874 1654010523 1666832310 1837789470 1869751026 1954739709 2171933010 2389126311 2500248465 2654584790 2756684205 3116251710 3257899515 3308021046 3909479418 3981877185 4674377565 4778252622 5000496930 5513368410 6515799030 7167378933 7963754370 8270052615 9348755130 9773698545 11945631555 14334757866 16540105230 19547397090 21502136799 23891263110 35836894665 43004273598 71673789330 107510683995 215021367990
• Sum of all divisors σ(n): 725649103872
• Sum of proper divisors (its aliquot sum) s(n): 510627735882
• 215021367990 is an abundant number, because the sum of its proper divisors (510627735882) is greater than itself. Its abundance is 295606367892

Bases of 215021367990

• Binary: 11001000010000010001011011001010110110₂
• Hexadecimal: 0x321045B2B6
• Base-36: 2QS265DI

Squares and roots of 215021367990

• 215021367990 squared (215021367990²) is 46234188692290996640100
• 215021367990 cubed (215021367990³) is 9941338500524199264714795690399000
• The square root of 215021367990 is 463703.9658985029
• The cube root of 215021367990 is 5990.9248730991

Scales and comparisons

• 215,021,367,990 seconds is equal to 6,837 years, 5 days, 5 hours, 46 minutes, 30 seconds.
• To count from 1 to 215,021,367,990 would take you about thirteen thousand, six hundred seventy-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 215021367990 cubic inches would be around 499.2 feet tall.

Recreational maths with 215021367990

• 215021367990 backwards is 099763120512
• 215021367990 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 215021367990's digits is 45
• More coming soon!