19778820386940

Names of 19778820386940

• Cardinal: 19778820386940 can be written as Nineteen trillion, seven hundred seventy-eight billion, eight hundred twenty million, three hundred eighty-six thousand, nine hundred forty.

Scientific notation

• Scientific notation: 1.977882038694 × 10¹³

Factors of 19778820386940

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 21
• Sum of prime factors: 51

Divisors of 19778820386940

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 41 45 54 60 81 82 90 108 123 135 162 164 180 205 243 246 270 324 369 405 410 486 492 540 615 729 738 810 820 972 1107 1215 1230 1458 1476 1620 1681 1845 2187 2214 2430 2460 2916 3321 3362 3645 3690 4374 4428 4860 5043 5535 6561 6642 6724 7290 7380 8405 8748 9963 10086 10935 11070 13122 13284 14580 15129 16605 16810 19683 19926 20172 21870 22140 25215 26244 29889 30258 32805 33210 33620 39366 39852 43740 45387 49815 50430 59049 59778 60516 65610 66420 68921 75645 78732 89667 90774 98415 99630 100860 118098 119556 131220 136161 137842 149445 151290 177147 179334 181548 196830 199260 206763 226935 236196 269001 272322 275684 295245 298890 302580 344605 354294 358668 393660 408483 413526 448335 453870 531441 538002 544644 590490 597780 620289 680805 689210 708588 807003 816966 827052 885735 896670 907740 1033815 1062882 1076004 1180980 1225449 1240578 1345005 1361610 1378420 1594323 1614006 1633932 1771470 1793340 1860867 2042415 2067630 2125764 2421009 2450898 2481156 2657205 2690010 2723220 3101445 3188646 3228012 3542940 3676347 3721734 4035015 4084830 4135260 4782969 4842018 4901796 5314410 5380020 5582601 6127245 6202890 6377292 7263027 7352694 7443468 7971615 8070030 8169660 9304335 9565938 9684036 10628820 11029041 11165202 12105045 12254490 12405780 14348907 14526054 14705388 15943230 16140060 16747803 18381735 18608670 19131876 21789081 22058082 22330404 23914845 24210090 24508980 27913005 28697814 29052108 31886460 33087123 33495606 36315135 36763470 37217340 43578162 44116164 47829690 48420180 50243409 55145205 55826010 57395628 65367243 66174246 66991212 71744535 72630270 73526940 83739015 87156324 95659380 99261369 100486818 108945405 110290410 111652020 130734486 132348492 143489070 145260540 150730227 165435615 167478030 196101729 198522738 200973636 217890810 220580820 251217045 261468972 286978140 297784107 301460454 326836215 330871230 334956060 392203458 397045476 435781620 452190681 496306845 502434090 588305187 595568214 602920908 653672430 661742460 753651135 784406916 893352321 904381362 980508645 992613690 1004868180 1176610374 1191136428 1307344860 1356572043 1488920535 1507302270 1786704642 1808762724 1961017290 1985227380 2260953405 2353220748 2680056963 2713144086 2941525935 2977841070 3014604540 3573409284 3922034580 4069716129 4466761605 4521906810 5360113926 5426288172 5883051870 5955682140 6782860215 8040170889 8139432258 8933523210 9043813620 10720227852 11766103740 12209148387 13400284815 13565720430 16080341778 16278864516 17867046420 20348580645 24120512667 24418296774 26800569630 27131440860 32160683556 36627445161 40200854445 40697161290 48241025334 48836593548 53601139260 61045741935 73254890322 80401708890 81394322580 96482050668 109882335483 120602563335 122091483870 146509780644 160803417780 183137225805 219764670966 241205126670 244182967740 329647006449 366274451610 439529341932 482410253340 549411677415 659294012898 732548903220 988941019347 1098823354830 1318588025796 1648235032245 1977882038694 2197646709660 3296470064490 3955764077388 4944705096735 6592940128980 9889410193470 19778820386940
• Sum of all divisors σ(n): 63860842241280
• Sum of proper divisors (its aliquot sum) s(n): 44082021854340
• 19778820386940 is an abundant number, because the sum of its proper divisors (44082021854340) is greater than itself. Its abundance is 24303201467400

Bases of 19778820386940

• Binary: 100011111110100011101100100000011000001111100₂
• Hexadecimal: 0x11FD1D90307C
• Base-36: 70E9IZFR0

Squares and roots of 19778820386940

• 19778820386940 squared (19778820386940²) is 391201735898833371322563600
• 19778820386940 cubed (19778820386940³) is 7737508869402163150076732082504759384000
• The square root of 19778820386940 is 4447338.5734549151
• The cube root of 19778820386940 is 27043.7427141349

Scales and comparisons

• 19,778,820,386,940 seconds is equal to 628,905 years, 16 weeks, 6 hours, 9 minutes.
• To count from 1 to 19,778,820,386,940 would take you about one million, five hundred seventy-two thousand, two hundred sixty-three 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 19778820386940 cubic inches would be around 2253.6 feet tall.

Recreational maths with 19778820386940

• 19778820386940 backwards is 04968302887791
• The number of decimal digits it has is: 14
• The sum of 19778820386940's digits is 72
• More coming soon!