20818855008

Names of 20818855008

• Cardinal: 20818855008 can be written as Twenty billion, eight hundred eighteen million, eight hundred fifty-five thousand and eight.

Scientific notation

• Scientific notation: 2.0818855008 × 10¹⁰

Factors of 20818855008

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 619

Divisors of 20818855008

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 29 31 32 36 42 48 49 54 56 58 62 63 72 84 87 93 96 98 108 112 116 124 126 144 147 168 174 186 189 196 203 216 217 224 232 248 252 261 279 288 294 336 348 372 378 392 406 432 434 441 464 496 504 522 547 558 588 609 651 672 696 744 756 783 784 812 837 864 868 882 899 928 992 1008 1044 1094 1116 1176 1218 1302 1323 1392 1421 1488 1512 1519 1566 1568 1624 1641 1674 1736 1764 1798 1827 1953 2016 2088 2188 2232 2352 2436 2604 2646 2697 2784 2842 2976 3024 3038 3132 3248 3282 3348 3472 3528 3596 3654 3829 3906 4176 4263 4376 4464 4557 4704 4872 4923 5208 5292 5394 5481 5684 5859 6048 6076 6264 6293 6496 6564 6696 6944 7056 7192 7308 7658 7812 8091 8352 8526 8752 8928 9114 9744 9846 10416 10584 10788 10962 11368 11487 11718 12152 12528 12586 12789 13128 13392 13671 14112 14384 14616 14769 15316 15624 15863 16182 16957 17052 17504 18228 18879 19488 19692 20832 21168 21576 21924 22736 22974 23436 24273 24304 25056 25172 25578 26256 26784 26803 27342 28768 29232 29538 30632 31248 31726 32364 33914 34104 34461 36456 37758 38367 39384 41013 42336 43152 43848 44051 45472 45948 46872 47589 48546 48608 50344 50871 51156 52512 53606 54684 56637 58464 59076 61264 62496 63452 64728 67828 68208 68922 72912 75516 76734 78768 80409 82026 86304 87696 88102 91896 93744 95178 97092 100688 101742 102312 103383 107212 109368 111041 113274 118152 118699 122528 126904 129456 132153 135656 136416 137844 142767 145824 151032 152613 153468 157536 160818 164052 169911 175392 176204 183792 187488 190356 194184 201376 203484 204624 206766 214424 218736 222082 226548 236304 237398 241227 253808 258912 264306 271312 275688 285534 302064 305226 306936 321636 328104 333123 339822 352408 356097 367584 380712 388368 396459 406968 409248 413532 428301 428848 437472 444164 453096 457839 472608 474796 482454 491753 507616 528612 542624 551376 571068 604128 610452 613872 643272 656208 666246 679644 704816 712194 723681 761424 776736 777287 792918 813936 827064 830893 856602 857696 888328 906192 915678 949592 964908 983506 999369 1057224 1068291 1102752 1142136 1189377 1220904 1227744 1286544 1312416 1332492 1359288 1409632 1424388 1447362 1475259 1522848 1554574 1585836 1627872 1654128 1661786 1713204 1776656 1812384 1831356 1899184 1929816 1967012 1998738 2114448 2136582 2284272 2331861 2378754 2441808 2492679 2573088 2664984 2718576 2848776 2894724 2950518 2998107 3109148 3171672 3204873 3308256 3323572 3426408 3442271 3553312 3662712 3798368 3859632 3934024 3997476 4228896 4273164 4425777 4568544 4663722 4757508 4883616 4985358 5329968 5437152 5697552 5789448 5901036 5996214 6218296 6343344 6409746 6647144 6852816 6884542 6995583 7325424 7478037 7719264 7868048 7994952 8546328 8851554 9327444 9515016 9970716 10326813 10659936 11395104 11578896 11802072 11992428 12436592 12686688 12819492 13277331 13294288 13705632 13769084 13991166 14650848 14956074 15736096 15989904 17092656 17703108 18654888 19030032 19941432 20653626 20986749 22434111 23157792 23604144 23984856 24095897 24873184 25638984 26554662 26588576 27538168 27982332 29912148 30980439 31979808 34185312 35406216 37309776 38060064 39882864 41307252 41973498 44868222 47208288 47969712 48191794 51277968 53109324 55076336 55964664 59824296 61960878 70812432 72287691 74619552 79765728 82614504 83946996 89736444 92941317 95939424 96383588 102555936 106218648 110152672 111929328 119648592 123921756 141624864 144575382 165229008 167893992 179472888 185882634 192767176 212437296 216863073 223858656 239297184 247843512 289150764 330458016 335787984 358945776 371765268 385534352 424874592 433726146 495687024 578301528 650589219 671575968 717891552 743530536 771068704 867452292 991374048 1156603056 1301178438 1487061072 1734904584 2313206112 2602356876 2974122144 3469809168 5204713752 6939618336 10409427504 20818855008
• Sum of all divisors σ(n): 75566131200
• Sum of proper divisors (its aliquot sum) s(n): 54747276192
• 20818855008 is an abundant number, because the sum of its proper divisors (54747276192) is greater than itself. Its abundance is 33928421184

Bases of 20818855008

• Binary: 10011011000111001101000010001100000₂
• Hexadecimal: 0x4D8E68460
• Base-36: 9KB0BC0

Squares and roots of 20818855008

• 20818855008 squared (20818855008²) is 433424723844126680064
• 20818855008 cubed (20818855008³) is 9023406482593313744636820160512
• The square root of 20818855008 is 144287.4041903867
• The cube root of 20818855008 is 2750.9684746693

Scales and comparisons

• 20,818,855,008 seconds is equal to 661 years, 50 weeks, 4 days, 23 hours, 16 minutes, 48 seconds.
• To count from 1 to 20,818,855,008 would take you about one thousand, three hundred twenty-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 20818855008 cubic inches would be around 229.2 feet tall.

Recreational maths with 20818855008

• 20818855008 backwards is 80055881802
• The number of decimal digits it has is: 11
• The sum of 20818855008's digits is 45
• More coming soon!