19720918140

Names of 19720918140

• Cardinal: 19720918140 can be written as Nineteen billion, seven hundred twenty million, nine hundred eighteen thousand, one hundred forty.

Scientific notation

• Scientific notation: 1.972091814 × 10¹⁰

Factors of 19720918140

• Number of distinct prime factors ω(n): 9
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 264

Divisors of 19720918140

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 7 10 11 12 14 15 19 20 21 22 28 29 30 33 35 38 42 44 55 57 58 60 61 66 70 76 77 84 87 95 105 110 114 116 122 127 132 133 140 145 154 165 174 183 190 203 209 210 220 228 231 244 254 266 285 290 305 308 319 330 348 366 380 381 385 399 406 418 420 427 435 462 508 532 551 570 580 609 610 627 635 638 660 665 671 732 762 770 798 812 836 854 870 889 915 924 957 1015 1045 1102 1140 1155 1159 1218 1220 1254 1270 1276 1281 1330 1342 1397 1463 1524 1540 1595 1596 1653 1708 1740 1769 1778 1830 1905 1914 1995 2013 2030 2090 2135 2204 2233 2310 2318 2413 2436 2508 2540 2562 2660 2667 2684 2755 2794 2926 3045 3135 3190 3306 3355 3477 3538 3556 3660 3683 3810 3828 3857 3990 4026 4060 4180 4191 4270 4389 4445 4466 4620 4636 4697 4785 4826 5124 5307 5334 5510 5588 5795 5852 6061 6090 6270 6380 6405 6612 6699 6710 6954 6985 7076 7239 7315 7366 7620 7714 7747 7980 8052 8113 8265 8382 8540 8778 8845 8890 8932 9394 9570 9652 9779 10065 10614 10668 11020 11049 11165 11571 11590 12065 12122 12180 12383 12540 12749 12810 13335 13398 13420 13908 13970 14091 14478 14630 14732 15428 15494 16226 16530 16764 16891 17385 17556 17690 17780 18183 18415 18788 19140 19285 19459 19558 20130 20955 21228 21945 22098 22330 23142 23180 23241 23485 24130 24244 24339 24766 25498 25620 25781 26535 26543 26670 26796 27940 28182 28956 29260 29337 30305 30988 32452 33060 33495 33611 33782 34770 35380 36195 36366 36830 37149 38247 38570 38735 38918 39116 40260 40513 40565 41910 42427 43890 44196 44660 46284 46482 46970 48260 48678 48895 49532 50673 50996 51562 53070 53086 53340 54229 55245 56364 57855 58377 58674 60610 61915 63745 66990 67222 67564 69540 69977 70455 72390 72732 73660 74298 76494 77140 77343 77470 77836 79629 81026 81130 83820 84455 84854 85217 87780 89243 90915 92964 93940 97295 97356 97790 100833 101346 103124 106140 106172 108458 110490 115710 116205 116754 117348 121220 121539 121695 123830 127281 127490 128905 132715 133980 134444 136213 139954 140910 144780 146685 147193 148596 152988 154686 154940 159258 162052 162260 162687 168055 168910 169708 170434 178486 181830 185745 185801 191235 194590 195580 201666 202565 202692 209931 212135 216916 220980 224663 231420 232410 233508 235277 243078 243390 247660 253365 254562 254980 255651 257810 265430 267729 271145 272426 279908 281820 283591 291885 293370 294386 309372 318516 325374 336110 337820 340868 349885 356972 363660 369721 371490 371602 382470 386715 389180 398145 403332 405130 408639 419862 424270 426085 441579 446215 449326 464820 470554 486156 486780 489839 504165 506730 509124 511302 515620 530860 535458 542290 544852 557403 567182 583770 586740 588772 596519 607695 636405 650748 672220 673989 681065 699770 705831 735965 739442 742980 743204 764940 769747 773430 796290 810260 813435 817278 839724 848540 850773 852170 883158 892430 898652 929005 941108 979678 1008330 1013460 1022604 1030351 1049655 1070916 1084580 1109163 1114806 1123315 1134364 1167540 1176385 1193038 1215390 1272810 1278255 1338645 1347978 1362130 1399540 1411662 1417955 1469517 1471930 1478884 1539494 1546860 1572641 1592580 1619123 1626870 1634556 1701546 1704340 1766316 1784860 1789557 1848605 1858010 1959356 2016660 2043195 2060702 2099310 2207895 2218326 2229612 2246630 2309241 2352770 2386076 2430780 2449195 2471293 2545620 2556510 2588047 2677290 2695956 2724260 2787015 2823324 2835910 2939034 2943860 2982595 3078988 3091053 3145282 3238246 3253740 3369945 3403092 3529155 3579114 3697210 3716020 3848735 4086390 4121404 4198620 4253865 4268597 4415790 4436652 4493260 4618482 4705540 4717923 4857369 4898390 4942586 5113020 5151755 5176094 5354580 5388229 5545815 5574030 5671820 5878068 5965190 6182106 6290564 6476492 6739890 7058310 7158228 7347585 7394420 7413879 7697470 7764141 7863205 8095615 8172780 8507730 8537194 8831580 8947785 9236964 9435846 9714738 9796780 9885172 10303510 10352188 10776458 11091630 11148060 11333861 11546205 11930380 12356465 12364212 12805791 12940235 13479780 14116620 14695170 14827758 15394940 15455265 15528282 15726410 16164687 16191230 17015460 17074388 17299051 17895570 18871692 19429476 20607020 21342985 21552916 22183260 22667722 23092410 23589615 24286845 24712930 25611582 25880470 26941145 29390340 29655516 29880179 30910530 31056564 31452820 32329374 32382460 34001583 34598102 35791140 37069395 38820705 42685970 45335444 46184820 46954567 47179230 48573690 49425860 51223164 51760940 51897153 53882290 56669305 59760358 61821060 64028955 64658748 68003166 69196204 74138790 77641410 80823435 85371940 86495255 89640537 93909134 94358460 97147380 103794306 107764580 113338610 119520716 128057910 136006332 140863701 148277580 149400895 155282820 161646870 170007915 172990510 179281074 187818268 207588612 226677220 234772835 256115820 259485765 281727402 298801790 323293740 328681969 340015830 345981020 358562148 448202685 469545670 518971530 563454804 597603580 657363938 680031660 704318505 896405370 939091340 986045907 1037943060 1314727876 1408637010 1643409845 1792810740 1972091814 2817274020 3286819690 3944183628 4930229535 6573639380 9860459070 19720918140
• Sum of all divisors σ(n): 76795084800
• Sum of proper divisors (its aliquot sum) s(n): 57074166660
• 19720918140 is an abundant number, because the sum of its proper divisors (57074166660) is greater than itself. Its abundance is 37353248520

Bases of 19720918140

• Binary: 10010010111011101010101010001111100₂
• Hexadecimal: 0x49775547C
• Base-36: 925BPTO

Squares and roots of 19720918140

• 19720918140 squared (19720918140²) is 388914612284581059600
• 19720918140 cubed (19720918140³) is 7669753232314061460566061144000
• The square root of 19720918140 is 140431.1864935991
• The cube root of 19720918140 is 2701.7326848197

Scales and comparisons

• 19,720,918,140 seconds is equal to 627 years, 3 weeks, 2 days, 8 hours, 49 minutes.
• To count from 1 to 19,720,918,140 would take you about one thousand, two hundred fifty-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 19720918140 cubic inches would be around 225.1 feet tall.

Recreational maths with 19720918140

• 19720918140 backwards is 04181902791
• 19720918140 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 19720918140's digits is 42
• More coming soon!