20998520928

Names of 20998520928

• Cardinal: 20998520928 can be written as Twenty billion, nine hundred ninety-eight million, five hundred twenty thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 2.0998520928 × 10¹⁰

Factors of 20998520928

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 146

Divisors of 20998520928

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 16 18 19 21 22 24 28 32 33 36 38 42 43 44 48 56 57 61 63 66 72 76 77 84 86 88 96 99 112 114 122 126 129 132 133 144 152 154 168 171 172 176 183 198 209 224 228 231 244 252 258 264 266 288 301 304 308 336 342 344 352 361 366 387 396 399 418 427 456 462 473 488 504 516 528 532 549 602 608 616 627 671 672 684 688 693 722 732 774 792 798 817 836 854 903 912 924 946 976 1008 1032 1056 1064 1083 1098 1159 1197 1204 1232 1254 1281 1342 1368 1376 1386 1419 1444 1463 1464 1548 1584 1596 1634 1672 1708 1806 1824 1848 1881 1892 1952 2013 2016 2064 2128 2166 2196 2318 2394 2408 2451 2464 2508 2527 2562 2623 2684 2709 2736 2772 2838 2888 2926 2928 3096 3168 3192 3249 3268 3311 3344 3416 3477 3612 3696 3762 3784 3843 3971 4026 4128 4256 4257 4332 4389 4392 4636 4697 4788 4816 4902 5016 5054 5124 5246 5368 5418 5472 5544 5676 5719 5776 5852 5856 6039 6192 6384 6498 6536 6622 6688 6832 6954 7224 7353 7392 7524 7568 7581 7686 7869 7942 8052 8113 8514 8664 8778 8784 8987 9272 9394 9576 9632 9804 9933 10032 10108 10248 10431 10492 10736 10836 11088 11352 11438 11552 11704 11913 12078 12384 12749 12768 12996 13072 13167 13244 13664 13908 14091 14448 14706 15048 15136 15162 15372 15523 15738 15884 16104 16226 17028 17157 17328 17556 17568 17974 18361 18544 18788 19152 19608 19866 20064 20216 20496 20862 20984 21472 21672 22021 22176 22704 22743 22876 23408 23607 23826 24156 24339 25498 25992 26144 26334 26488 26961 27797 27816 28182 28853 28896 29412 29799 30096 30324 30744 31046 31476 31768 32208 32452 34056 34314 34656 35112 35739 35948 36722 37088 37576 38247 38304 39216 39732 40432 40992 41724 41968 42273 43344 44042 45408 45486 45752 46569 46816 47214 47652 48312 48678 49837 50996 51471 51984 52668 52976 53922 55083 55594 55632 56364 57706 58824 59598 60192 60648 61488 62092 62909 62952 63536 64416 64904 66063 68112 68628 70224 71478 71896 73017 73444 75152 76494 78432 79464 80864 80883 83391 83448 83936 84546 86559 86688 88084 89243 90972 91504 93138 94428 95304 96624 97356 99674 101992 102942 103968 105336 105952 107844 108661 110166 111188 111264 112728 114741 115412 117648 119196 121296 122976 124184 125818 125904 127072 129808 132126 136224 137256 139707 140448 142956 143792 146034 146888 149511 150304 152988 154147 158928 161766 165249 166782 166896 169092 170753 173118 176168 178486 181944 183008 186276 188727 188856 190608 193248 194712 198189 199348 201971 203984 205884 210672 215688 217322 220332 222376 225456 229482 230824 235296 238392 242231 242592 248368 250173 251636 251808 259616 259677 264252 267729 274512 279414 285912 287584 292068 293776 299022 305976 308294 317856 323532 325983 330498 333564 333792 338184 341506 346236 348859 352336 356972 363888 372552 377454 377712 381216 389424 396378 398696 403942 407968 411768 421344 431376 434644 440664 444752 448533 450912 458964 461648 462441 476784 484462 496736 500346 503272 512259 519354 528504 535458 548207 549024 558828 566181 571824 584136 587552 598044 605913 611952 616588 647064 651966 660996 667128 676368 683012 692472 697718 704672 713944 726693 727776 745104 754908 755424 778848 792756 797392 803187 807884 823536 862752 869288 881328 889504 897066 917928 923296 924882 946903 953568 968924 977949 1000692 1006544 1024518 1038708 1046577 1057008 1070916 1096414 1117656 1132362 1143648 1168272 1195271 1196088 1211826 1223904 1233176 1294128 1303932 1321992 1334256 1352736 1366024 1384944 1387323 1395436 1427888 1453386 1490208 1509816 1536777 1585512 1594784 1606374 1615768 1644621 1647072 1695617 1738576 1762656 1794132 1817739 1835856 1849764 1893806 1937848 1955898 2001384 2013088 2049036 2077416 2093154 2114016 2141832 2180079 2192828 2235312 2264724 2336544 2390542 2392176 2423652 2466352 2588256 2607864 2643984 2668512 2732048 2769888 2774646 2790872 2840709 2855776 2906772 3019632 3073554 3139731 3171024 3212748 3231536 3289242 3391234 3477152 3585813 3588264 3635478 3671712 3699528 3787612 3837449 3875696 3911796 4002768 4098072 4154832 4186308 4283664 4360158 4385656 4470624 4529448 4781084 4784352 4847304 4932704 4933863 5086851 5215728 5287968 5464096 5549292 5581744 5681418 5813544 6039264 6147108 6279462 6342048 6425496 6463072 6578484 6628321 6782468 7171626 7176528 7270956 7399056 7575224 7674898 7751392 7823592 8005536 8196144 8309664 8372616 8522127 8567328 8720316 8771312 9058896 9562168 9694608 9867726 10173702 10415933 10431456 10757439 11098584 11163488 11362836 11512347 11627088 12294216 12558924 12850992 13156968 13256642 13564936 14343252 14353056 14541912 14798112 15150448 15260553 15349796 15647184 16392288 16745232 17044254 17440632 17542624 18117792 19124336 19389216 19735452 19884963 20347404 20831866 21514878 22197168 22725672 23024694 23254176 24588432 25117848 25701984 26313936 26513284 27129872 28686504 29083824 30300896 30521106 30699592 31247799 31294368 33490464 34088508 34537041 34881264 38248672 39470904 39769926 40694808 41663732 43029756 44394336 45451344 46049388 49176864 50235696 52627872 53026568 54259744 57373008 58167648 59654889 61042212 61399184 62495598 68177016 69074082 69762528 72911531 78941808 79539852 81389616 83327464 86059512 90902688 92098776 93743397 100471392 106053136 114746016 119309778 122084424 122798368 124991196 136354032 138148164 145823062 157883616 159079704 162779232 166654928 172119024 184197552 187486794 212106272 218734593 238619556 244168848 249982392 272708064 276296328 291646124 318159408 333309856 344238048 368395104 374973588 437469186 477239112 488337696 499964784 552592656 583292248 636318816 656203779 749947176 874938372 954478224 999929568 1105185312 1166584496 1312407558 1499894352 1749876744 1908956448 2333168992 2624815116 2999788704 3499753488 5249630232 6999506976 10499260464 20998520928
• Sum of all divisors σ(n): 81719269632
• Sum of proper divisors (its aliquot sum) s(n): 60720748704
• 20998520928 is an abundant number, because the sum of its proper divisors (60720748704) is greater than itself. Its abundance is 39722227776

Bases of 20998520928

• Binary: 10011100011100111000000000001100000₂
• Hexadecimal: 0x4E39C0060
• Base-36: 9N9Z6G0

Squares and roots of 20998520928

• 20998520928 squared (20998520928²) is 440937881163653981184
• 20998520928 cubed (20998520928³) is 9259043325562965116842742218752
• The square root of 20998520928 is 144908.6640887977
• The cube root of 20998520928 is 2758.8594026779

Scales and comparisons

• 20,998,520,928 seconds is equal to 667 years, 35 weeks, 5 days, 10 hours, 28 minutes, 48 seconds.
• To count from 1 to 20,998,520,928 would take you about one thousand, three hundred thirty-five 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 20998520928 cubic inches would be around 229.9 feet tall.

Recreational maths with 20998520928

• 20998520928 backwards is 82902589902
• The number of decimal digits it has is: 11
• The sum of 20998520928's digits is 54
• More coming soon!