216438381720

Names of 216438381720

• Cardinal: 216438381720 can be written as Two hundred sixteen billion, four hundred thirty-eight million, three hundred eighty-one thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.1643838172 × 10¹¹

Factors of 216438381720

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1406

Divisors of 216438381720

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 18 20 22 24 27 30 33 36 40 41 44 45 54 55 60 66 72 82 88 90 99 108 110 120 123 132 135 164 165 180 198 205 216 220 246 264 270 297 328 330 360 369 396 410 440 451 492 495 540 587 594 615 660 738 757 792 820 902 984 990 1080 1107 1174 1188 1230 1320 1353 1476 1485 1514 1640 1761 1804 1845 1980 2214 2255 2271 2348 2376 2460 2706 2935 2952 2970 3028 3522 3608 3690 3785 3960 4059 4428 4510 4542 4696 4920 5283 5412 5535 5870 5940 6056 6457 6765 6813 7044 7380 7570 8118 8327 8805 8856 9020 9084 10566 10824 11070 11355 11740 11880 12177 12914 13530 13626 14088 14760 15140 15849 16236 16654 17610 18040 18168 19371 20295 20439 21132 22140 22710 23480 24067 24354 24981 25828 26415 27060 27252 30280 31037 31698 32285 32472 33308 34065 35220 38742 40590 40878 41635 42264 44280 45420 48134 48708 49962 51656 52830 54120 54504 58113 60885 62074 63396 64570 66616 68130 70440 72201 74943 77484 79245 81180 81756 83270 90840 93111 96268 96855 97416 99924 102195 105660 116226 120335 121770 124148 124905 126792 129140 136260 144402 149886 154968 155185 158490 162360 163512 166540 174339 186222 192536 193710 199848 204390 211320 216603 224829 232452 240670 243540 248296 249810 258280 264737 272520 279333 288804 290565 299772 310370 316980 333080 341407 348678 361005 372444 374715 387420 408780 433206 444359 449658 464904 465555 481340 487080 499620 529474 558666 577608 581130 599544 620740 633960 649809 682814 697356 722010 744888 749430 774840 794211 817560 837999 866412 871695 888718 899316 931110 962680 999240 1024221 1058948 1083015 1117332 1124145 1162260 1241480 1299618 1323685 1333077 1365628 1394712 1396665 1444020 1498860 1588422 1675998 1707035 1732824 1743390 1777436 1798632 1862220 2048442 2117896 2166030 2221795 2234664 2248290 2324520 2382633 2599236 2647370 2666154 2731256 2793330 2888040 2997720 3072663 3176844 3249045 3351996 3414070 3486780 3554872 3724440 3971055 3999231 4096884 4189995 4332060 4443590 4496580 4765266 4887949 5121105 5198472 5294740 5332308 5586660 6145326 6353688 6498090 6665385 6703992 6828140 6973560 7147899 7942110 7998462 8193768 8379990 8664120 8887180 8993160 9217989 9530532 9775898 10242210 10589480 10664616 11173320 11913165 11997693 12290652 12996180 13330770 13656280 14295798 14663847 15363315 15884220 15996924 16759980 17774360 18218719 18435978 19061064 19551796 19996155 20484420 23826330 23995386 24439745 24581304 25992360 26661540 28591596 29327694 30726630 31768440 31993848 33519960 35739495 36437438 36871956 39103592 39992310 40968840 43991541 46089945 47652660 47990772 48879490 53323080 54656157 57183192 58655388 59988465 61453260 71478990 72874876 73319235 73743912 79984620 87983082 91093595 92179890 95305320 95981544 97758980 109312314 117310776 119976930 122906520 131974623 142957980 145749752 146638470 159969240 163968471 175966164 182187190 184359780 195517960 200405909 218624628 219957705 239953860 263949246 273280785 285915960 293276940 327936942 351932328 364374380 368719560 400811818 437249256 439915410 479907720 491905413 527898492 546561570 586553880 601217727 655873884 659873115 728748760 801623636 819842355 879830820 983810826 1002029545 1055796984 1093123140 1202435454 1311747768 1319746230 1603247272 1639684710 1759661640 1803653181 1967621652 2004059090 2186246280 2404870908 2459527065 2639492460 3006088635 3279369420 3607306362 3935243304 4008118180 4809741816 4919054130 5278984920 5410959543 6012177270 6558738840 7214612724 8016236360 9018265905 9838108260 10821919086 12024354540 14429225448 18036531810 19676216520 21643838172 24048709080 27054797715 36073063620 43287676344 54109595430 72146127240 108219190860 216438381720
• Sum of all divisors σ(n): 808685337600
• Sum of proper divisors (its aliquot sum) s(n): 592246955880
• 216438381720 is an abundant number, because the sum of its proper divisors (592246955880) is greater than itself. Its abundance is 375808574160

Bases of 216438381720

• Binary: 11001001100100101110111001110010011000₂
• Hexadecimal: 0x3264BB9C98
• Base-36: 2RFHTO60

Squares and roots of 216438381720

• 216438381720 squared (216438381720²) is 46845573081572430158400
• 216438381720 cubed (216438381720³) is 10139180028521530336451819264448000
• The square root of 216438381720 is 465229.3861311857
• The cube root of 216438381720 is 6004.0563470567

Scales and comparisons

• 216,438,381,720 seconds is equal to 6,882 years, 3 weeks, 4 days, 20 hours, 42 minutes.
• To count from 1 to 216,438,381,720 would take you about thirteen thousand, seven hundred sixty-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 216438381720 cubic inches would be around 500.3 feet tall.

Recreational maths with 216438381720

• 216438381720 backwards is 027183834612
• 216438381720 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 216438381720's digits is 45
• More coming soon!