20423521440

Names of 20423521440

• Cardinal: 20423521440 can be written as Twenty billion, four hundred twenty-three million, five hundred twenty-one thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.042352144 × 10¹⁰

Factors of 20423521440

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 1155

Divisors of 20423521440

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 29 30 32 35 36 40 42 45 48 49 54 56 58 60 63 70 72 80 81 84 87 90 96 98 105 108 112 116 120 126 135 140 144 145 147 160 162 168 174 180 189 196 203 210 216 224 232 240 245 252 261 270 280 288 290 294 315 324 336 348 360 378 392 405 406 420 432 435 441 464 480 490 504 522 540 560 567 580 588 609 630 648 672 696 720 735 756 783 784 810 812 840 864 870 882 928 945 980 1008 1015 1044 1080 1109 1120 1134 1160 1176 1218 1260 1296 1305 1323 1392 1421 1440 1470 1512 1566 1568 1620 1624 1680 1740 1764 1827 1890 1960 2016 2030 2088 2160 2205 2218 2268 2320 2349 2352 2436 2520 2592 2610 2646 2784 2835 2842 2940 3024 3045 3132 3240 3248 3327 3360 3480 3528 3654 3780 3915 3920 3969 4060 4176 4263 4320 4410 4436 4536 4640 4698 4704 4872 5040 5220 5292 5481 5545 5670 5684 5880 6048 6090 6264 6480 6496 6615 6654 6960 7056 7105 7308 7560 7763 7830 7840 7938 8120 8352 8526 8820 8872 9072 9135 9396 9744 9981 10080 10440 10584 10962 11090 11340 11368 11745 11760 12180 12528 12789 12960 13230 13308 13920 14112 14210 14616 15120 15526 15660 15876 16240 16443 16635 17052 17640 17744 18144 18270 18792 19488 19845 19962 20880 21168 21315 21924 22180 22680 22736 23289 23490 23520 24360 25056 25578 26460 26616 27405 28420 29232 29943 30240 31052 31320 31752 32161 32480 32886 33270 34104 35280 35488 36540 37584 38367 38815 39690 39924 41760 42336 42630 43848 44360 45360 45472 46578 46980 48720 49905 51156 52920 53232 54341 54810 56840 58464 59886 62104 62640 63504 63945 64322 65772 66540 68208 69867 70560 73080 75168 76734 77630 79380 79848 82215 85260 87696 88720 89829 90720 93156 93960 96483 97440 99810 102312 105840 106464 108682 109620 113680 115101 116445 119772 124208 125280 127008 127890 128644 131544 133080 136416 139734 146160 149715 153468 155260 158760 159696 160805 163023 164430 170520 175392 177440 179658 186312 187920 191835 192966 199620 204624 209601 211680 217364 219240 225127 227360 230202 232890 239544 248416 255780 257288 263088 266160 271705 279468 289449 292320 299430 306936 310520 317520 319392 321610 326046 328860 341040 349335 359316 372624 375840 383670 385932 399240 409248 419202 434728 438480 449145 450254 460404 465780 479088 482415 489069 511560 514576 526176 532320 543410 558936 575505 578898 598860 613872 621040 628803 635040 643220 652092 657720 675381 682080 698670 718632 745248 767340 771864 798480 815115 838404 868347 869456 876960 898290 900508 920808 931560 958176 964830 978138 1023120 1029152 1048005 1086820 1117872 1125635 1151010 1157796 1197720 1227744 1242080 1257606 1286440 1304184 1315440 1350762 1397340 1437264 1447245 1467207 1534680 1543728 1575889 1596960 1630230 1676808 1736694 1738912 1796580 1801016 1841616 1863120 1929660 1956276 2026143 2046240 2096010 2173640 2235744 2251270 2302020 2315592 2395440 2445345 2515212 2572880 2605041 2608368 2630880 2701524 2794680 2874528 2894490 2934414 3069360 3087456 3144015 3151778 3260460 3353616 3376905 3473388 3593160 3602032 3683232 3726240 3859320 3912552 4052286 4192020 4341735 4347280 4401621 4502540 4604040 4631184 4727667 4790880 4890690 5030424 5145760 5210082 5216736 5403048 5589360 5788980 5868828 6078429 6138720 6288030 6303556 6520920 6707232 6753810 6946776 7186320 7204064 7336035 7718640 7825104 7879445 8104572 8384040 8683470 8694560 8803242 9005080 9208080 9262368 9455334 9781380 10060848 10130715 10420164 10806096 11178720 11577960 11737656 12156858 12576060 12607112 13025205 13041840 13507620 13893552 14183001 14372640 14672070 15437280 15650208 15758890 16209144 16768080 17366940 17606484 18010160 18235287 18416160 18910668 19562760 20121696 20261430 20840328 21612192 22008105 23155920 23475312 23638335 24313716 25152120 25214224 26050410 26083680 27015240 27787104 28366002 29344140 30392145 31517780 32418288 33536160 34733880 35212968 36020320 36470574 37821336 39125520 40522860 41680656 42549003 44016210 46311840 46950624 47276670 48627432 50304240 50428448 52100820 54030480 56732004 58688280 60784290 63035560 64836576 69467760 70425936 70915005 72941148 75642672 78251040 81045720 83361312 85098006 88032420 91176435 94553340 97254864 100608480 104201640 108060960 113464008 117376560 121568580 126071120 127647009 138935520 140851872 141830010 145882296 151285344 162091440 170196012 176064840 182352870 189106680 194509728 208403280 212745015 226928016 234753120 243137160 252142240 255294018 283660020 291764592 324182880 340392024 352129680 364705740 378213360 416806560 425490030 453856032 486274320 510588036 567320040 583529184 638235045 680784048 704259360 729411480 756426720 850980060 972548640 1021176072 1134640080 1276470090 1361568096 1458822960 1701960120 2042352144 2269280160 2552940180 2917645920 3403920240 4084704288 5105880360 6807840480 10211760720 20423521440
• Sum of all divisors σ(n): 86815297800
• Sum of proper divisors (its aliquot sum) s(n): 66391776360
• 20423521440 is an abundant number, because the sum of its proper divisors (66391776360) is greater than itself. Its abundance is 45968254920

Bases of 20423521440

• Binary: 10011000001010101100011010010100000₂
• Hexadecimal: 0x4C15634A0
• Base-36: 9DRMY00

Squares and roots of 20423521440

• 20423521440 squared (20423521440²) is 417120228010139673600
• 20423521440 cubed (20423521440³) is 8519063919822776161164201984000
• The square root of 20423521440 is 142910.8863592973
• The cube root of 20423521440 is 2733.4441737061

Scales and comparisons

• 20,423,521,440 seconds is equal to 649 years, 21 weeks, 8 hours, 24 minutes.
• To count from 1 to 20,423,521,440 would take you about one thousand, two hundred ninety-eight 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 20423521440 cubic inches would be around 227.8 feet tall.

Recreational maths with 20423521440

• 20423521440 backwards is 04412532402
• 20423521440 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20423521440's digits is 27
• More coming soon!