20989800720

Names of 20989800720

• Cardinal: 20989800720 can be written as Twenty billion, nine hundred eighty-nine million, eight hundred thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.098980072 × 10¹⁰

Factors of 20989800720

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 556

Divisors of 20989800720

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 17 18 20 21 24 28 30 34 35 36 40 42 45 48 49 51 56 60 63 68 70 72 79 80 84 85 90 98 102 105 112 119 120 126 136 140 144 147 153 158 168 170 180 196 204 210 237 238 240 245 252 255 272 280 294 306 315 316 336 340 357 360 392 395 408 420 441 443 474 476 490 504 510 553 560 588 595 612 630 632 680 711 714 720 735 765 784 790 816 833 840 882 886 948 952 980 1008 1020 1071 1106 1176 1185 1190 1224 1260 1264 1329 1343 1360 1422 1428 1470 1530 1580 1659 1666 1680 1764 1772 1785 1896 1904 1960 2040 2142 2205 2212 2215 2352 2370 2380 2448 2499 2520 2658 2686 2765 2844 2856 2940 3060 3101 3160 3318 3332 3528 3544 3555 3570 3792 3871 3920 3987 4029 4080 4165 4284 4410 4424 4430 4740 4760 4977 4998 5040 5316 5355 5372 5530 5688 5712 5880 6120 6202 6320 6636 6645 6664 6715 7056 7088 7110 7140 7497 7531 7742 7974 8058 8295 8330 8568 8820 8848 8860 9303 9401 9480 9520 9954 9996 10632 10710 10744 11060 11376 11613 11760 12087 12240 12404 12495 13272 13290 13328 13430 14220 14280 14994 15062 15484 15505 15948 16116 16590 16660 17136 17640 17720 18606 18802 18960 19355 19908 19935 19992 20145 21264 21420 21488 21707 22120 22593 23226 24174 24808 24885 24990 26544 26580 26860 27909 28203 28440 28560 29988 30124 30968 31010 31896 32232 33180 33320 34839 34997 35280 35440 37212 37485 37604 37655 38710 39816 39870 39984 40290 42840 43414 44240 45186 46452 46515 47005 48348 49616 49770 49980 52717 53160 53720 55818 56406 56880 58065 59976 60248 60435 61936 62020 63792 64464 65121 65807 66360 66640 67779 69678 69994 74424 74970 75208 75310 77420 79632 79740 80580 84609 85680 86828 90372 92904 93030 94010 96696 99540 99960 104991 105434 106320 107440 108535 111636 112812 112965 116130 119952 120496 120870 124040 130242 131614 132720 135558 139356 139545 139988 141015 148848 149940 150416 150620 154840 158151 159480 161160 169218 173656 174195 174985 180744 185808 186060 188020 193392 195363 197421 199080 199920 209982 210868 217070 223272 225624 225930 232260 241740 244979 248080 260484 263228 263585 271116 278712 279090 279976 282030 299880 301240 309680 314973 316302 318960 322320 325605 329035 338436 338895 347312 348390 349970 361488 369019 372120 376040 390726 394842 398160 419964 421736 423045 434140 446544 451248 451860 464520 474453 483480 489958 520968 524955 526456 527170 542232 557424 558180 559952 564060 592263 594949 599760 602480 629946 632604 651210 658070 676872 677790 696780 699940 734937 738038 744240 752080 781452 789684 790755 839928 843472 846090 868280 903720 929040 948906 966960 976815 979916 987105 1041936 1049910 1052912 1054340 1084464 1107057 1116360 1128120 1184526 1189898 1224895 1259892 1265208 1302420 1316140 1353744 1355580 1393560 1399880 1469874 1476076 1562904 1574865 1579368 1581510 1679856 1692180 1714853 1736560 1784847 1807440 1845095 1897812 1953630 1959832 1974210 2099820 2108680 2204811 2214114 2232720 2256240 2369052 2372265 2379796 2449790 2519784 2530416 2604840 2632280 2711160 2787120 2799760 2939748 2952152 2961315 2974745 3125808 3149730 3158736 3163020 3321171 3384360 3429706 3569694 3674685 3690190 3795624 3907260 3919664 3948420 4164643 4199640 4217360 4409622 4428228 4738104 4744530 4759592 4899580 5039568 5144559 5209680 5264560 5354541 5422320 5535285 5879496 5904304 5922630 5949490 6299460 6326040 6642342 6768720 6859412 7139388 7349370 7380380 7591248 7814520 7896840 8329286 8399280 8574265 8819244 8856456 8924235 9476208 9489060 9519184 9799160 10289118 10709082 11024055 11070570 11758992 11845260 11898980 12493929 12598920 12652080 13284684 13718824 14278776 14698740 14760760 15433677 15629040 15793680 16605855 16658572 17148530 17638488 17712912 17848470 18978120 19598320 20578236 20823215 21418164 22048110 22141140 23690520 23797960 24987858 25197840 25722795 26569368 26772705 27437648 28557552 29152501 29397480 29521520 30867354 33211710 33317144 34297060 35276976 35696940 37481787 37956240 41156472 41646430 42836328 44096220 44282280 47381040 47595920 49975716 51445590 53138736 53545410 58305002 58794960 61734708 62469645 66423420 66634288 68594120 71393880 74963574 77168385 82312944 83292860 85672656 87457503 88192440 88564560 99951432 102891180 107090820 116610004 123469416 124939290 132846840 137188240 142787760 145762505 149927148 154336770 166585720 174915006 176384880 187408935 199902864 205782360 214181640 233220008 246938832 249878580 262372509 265693680 291525010 299854296 308673540 333171440 349830012 374817870 411564720 428363280 437287515 466440016 499757160 524745018 583050020 599708592 617347080 699660024 749635740 874575030 999514320 1049490036 1166100040 1234694160 1311862545 1399320048 1499271480 1749150060 2098980072 2332200080 2623725090 2998542960 3498300120 4197960144 5247450180 6996600240 10494900360 20989800720
• Sum of all divisors σ(n): 88120431360
• Sum of proper divisors (its aliquot sum) s(n): 67130630640
• 20989800720 is an abundant number, because the sum of its proper divisors (67130630640) is greater than itself. Its abundance is 46140829920

Bases of 20989800720

• Binary: 10011100011000101101111000100010000₂
• Hexadecimal: 0x4E316F110
• Base-36: 9N4S9W0

Squares and roots of 20989800720

• 20989800720 squared (20989800720²) is 440571734265312518400
• 20989800720 cubed (20989800720³) is 9247512905093705369737333248000
• The square root of 20989800720 is 144878.5723286919
• The cube root of 20989800720 is 2758.4774526203

Scales and comparisons

• 20,989,800,720 seconds is equal to 667 years, 21 weeks, 2 days, 12 hours, 12 minutes.
• To count from 1 to 20,989,800,720 would take you about one thousand, three hundred thirty-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 20989800720 cubic inches would be around 229.9 feet tall.

Recreational maths with 20989800720

• 20989800720 backwards is 02700898902
• 20989800720 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20989800720's digits is 45
• More coming soon!