20430990720

Names of 20430990720

• Cardinal: 20430990720 can be written as Twenty billion, four hundred thirty million, nine hundred ninety thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.043099072 × 10¹⁰

Factors of 20430990720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 2605

Divisors of 20430990720

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 32 35 36 40 42 45 48 54 56 60 63 64 67 70 72 80 84 90 96 105 108 112 120 126 128 134 135 140 144 160 168 180 189 192 201 210 216 224 240 252 268 270 280 288 315 320 335 336 360 378 384 402 420 432 448 469 480 504 536 540 560 576 603 630 640 670 672 720 756 804 840 864 896 938 945 960 1005 1008 1072 1080 1120 1152 1206 1260 1340 1344 1407 1440 1512 1608 1680 1728 1809 1876 1890 1920 2010 2016 2144 2160 2240 2345 2412 2520 2521 2680 2688 2814 2880 3015 3024 3216 3360 3456 3618 3752 3780 4020 4032 4221 4288 4320 4480 4690 4824 5040 5042 5360 5628 5760 6030 6048 6432 6720 7035 7236 7504 7560 7563 8040 8064 8442 8576 8640 9045 9380 9648 10080 10084 10720 11256 12060 12096 12605 12663 12864 13440 14070 14472 15008 15120 15126 16080 16884 17280 17647 18090 18760 19296 20160 20168 21105 21440 22512 22689 24120 24192 25210 25326 25728 28140 28944 30016 30240 30252 32160 33768 35294 36180 37520 37815 38592 40320 40336 42210 42880 45024 45378 48240 50420 50652 52941 56280 57888 60032 60480 60504 63315 64320 67536 68067 70588 72360 75040 75630 77184 80672 84420 88235 90048 90756 96480 100840 101304 105882 112560 113445 115776 120960 121008 126630 128640 135072 136134 141176 144720 150080 151260 158823 161344 168840 168907 176470 180096 181512 192960 201680 202608 211764 225120 226890 231552 242016 253260 264705 270144 272268 282352 289440 300160 302520 317646 322688 337680 337814 340335 352940 363024 385920 403360 405216 423528 450240 453780 476469 484032 506520 506721 529410 540288 544536 564704 578880 605040 635292 675360 675628 680670 705880 726048 794115 806720 810432 844535 847056 900480 907560 952938 968064 1013040 1013442 1058820 1089072 1129408 1157760 1182349 1210080 1270584 1350720 1351256 1361340 1411760 1452096 1520163 1588230 1613440 1620864 1689070 1694112 1815120 1905876 2026080 2026884 2117640 2178144 2258816 2364698 2382345 2420160 2533605 2541168 2701440 2702512 2722680 2823520 2904192 3040326 3176460 3378140 3388224 3547047 3630240 3811752 4052160 4053768 4235280 4356288 4560489 4729396 4764690 4840320 5067210 5082336 5405024 5445360 5647040 5911745 6080652 6352920 6756280 6776448 7094094 7260480 7600815 7623504 8104320 8107536 8470560 8712576 9120978 9458792 9529380 10134420 10164672 10641141 10810048 10890720 11294080 11823490 12161304 12705840 13512560 14188188 14520960 15201630 15247008 16215072 16941120 17735235 18241956 18917584 19058760 20268840 20329344 21282282 21620096 21781440 22802445 23646980 24322608 25411680 27025120 28376376 30403260 30494016 31923423 32430144 33882240 35470470 36483912 37835168 38117520 40537680 42564564 43562880 45604890 47293960 48645216 50823360 53205705 54050240 56752752 60806520 60988032 63846846 64860288 70940940 72967824 75670336 76235040 81075360 85129128 91209780 94587920 97290432 101646720 106411410 108100480 113505504 121613040 127693692 141881880 145935648 151340672 152470080 159617115 162150720 170258256 182419560 189175840 194580864 212822820 227011008 243226080 255387384 283763760 291871296 304940160 319234230 324301440 340516512 364839120 378351680 425645640 454022016 486452160 510774768 567527520 583742592 638468460 681033024 729678240 756703360 851291280 972904320 1021549536 1135055040 1276936920 1362066048 1459356480 1702582560 2043099072 2270110080 2553873840 2918712960 3405165120 4086198144 5107747680 6810330240 10215495360 20430990720
• Sum of all divisors σ(n): 83964441600
• Sum of proper divisors (its aliquot sum) s(n): 63533450880
• 20430990720 is an abundant number, because the sum of its proper divisors (63533450880) is greater than itself. Its abundance is 43102460160

Bases of 20430990720

• Binary: 10011000001110010000010110110000000₂
• Hexadecimal: 0x4C1C82D80
• Base-36: 9DW31C0

Squares and roots of 20430990720

• 20430990720 squared (20430990720²) is 417425381800726118400
• 20430990720 cubed (20430990720³) is 8528414101863092214292021248000
• The square root of 20430990720 is 142937.0166192089
• The cube root of 20430990720 is 2733.7773577019

Scales and comparisons

• 20,430,990,720 seconds is equal to 649 years, 33 weeks, 2 days, 19 hours, 12 minutes.
• To count from 1 to 20,430,990,720 would take you about one thousand, two hundred ninety-nine 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 20430990720 cubic inches would be around 227.8 feet tall.

Recreational maths with 20430990720

• 20430990720 backwards is 02709903402
• 20430990720 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20430990720's digits is 36
• More coming soon!