20985108144

Names of 20985108144

• Cardinal: 20985108144 can be written as Twenty billion, nine hundred eighty-five million, one hundred eight thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 2.0985108144 × 10¹⁰

Factors of 20985108144

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 363

Divisors of 20985108144

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 6 7 8 11 12 13 14 16 19 21 22 24 26 28 33 38 39 42 44 48 52 56 57 66 76 77 78 84 88 91 104 112 114 127 132 133 143 152 154 156 168 176 181 182 208 209 228 231 247 254 264 266 273 286 304 308 312 336 362 364 381 399 418 429 456 462 494 508 528 532 543 546 572 616 624 627 724 728 741 762 798 836 858 889 912 924 988 1001 1016 1064 1086 1092 1144 1232 1254 1267 1397 1448 1456 1463 1482 1524 1596 1651 1672 1716 1729 1778 1848 1976 1991 2002 2032 2128 2172 2184 2288 2353 2413 2508 2534 2667 2717 2794 2896 2926 2964 3003 3048 3192 3302 3344 3432 3439 3458 3556 3696 3801 3952 3982 4004 4191 4344 4368 4389 4706 4826 4953 5016 5068 5187 5334 5434 5588 5852 5928 5973 6006 6096 6384 6604 6864 6878 6916 7059 7112 7239 7602 7964 8008 8151 8382 8688 8778 9412 9652 9779 9906 10032 10136 10317 10374 10668 10868 11176 11557 11704 11856 11946 12012 13208 13756 13832 13937 14118 14224 14478 15204 15928 16016 16302 16471 16764 16891 17556 18161 18824 19019 19304 19558 19812 20272 20634 20748 21336 21736 22352 22987 23114 23408 23892 24024 24073 25883 26416 26543 27512 27664 27874 28236 28956 29337 30408 31369 31856 32604 32942 33528 33782 34671 35112 36322 37648 37829 38038 38608 39116 39624 41268 41496 41811 42672 43472 44707 45974 46228 47784 48048 48146 49413 50673 51766 53086 54483 55024 55748 56472 57057 57912 58674 60816 62738 65208 65884 67056 67564 68961 69342 70224 72219 72644 75658 76076 77649 78232 79248 79629 82536 82992 83622 89414 91948 92456 94107 95568 96292 98826 101346 103532 106172 108966 111496 112944 113487 114114 115824 117348 125476 127127 130416 131768 134121 135128 137922 138684 144438 145288 151316 152152 155298 156464 159258 160909 165072 167244 178828 181181 183896 184912 185801 188214 192584 197652 202692 207064 212344 217932 219583 222992 226974 228228 234696 250952 252857 254254 263536 264803 268242 270256 275844 277368 288876 290576 298831 302632 304304 310596 312949 318516 321818 334488 345059 357656 362362 367792 371602 376428 381381 385168 395304 405384 414128 424688 435864 436753 439166 453948 456456 469392 482727 491777 501904 505714 508508 529606 536484 543543 551688 554736 557403 577752 597662 605264 621192 625898 637032 643636 658749 668976 690118 715312 724724 743204 752856 758571 762762 790608 794409 810768 871728 873506 878332 896493 907896 912912 938847 965454 983554 1011428 1017016 1035177 1059212 1072968 1087086 1103376 1114806 1155504 1195324 1242384 1251796 1274064 1287272 1310259 1317498 1380236 1449448 1475331 1486408 1505712 1517142 1525524 1588818 1747012 1756664 1769999 1792986 1815792 1877694 1930908 1967108 2022856 2034032 2070354 2091817 2118424 2145936 2174172 2229612 2390648 2415413 2503592 2574544 2620518 2634996 2760472 2898896 2950662 2972816 3034284 3051048 3057271 3177636 3287141 3442439 3494024 3513328 3539998 3585972 3755388 3861816 3934216 4045712 4140708 4183634 4236848 4348344 4459224 4781296 4804283 4830826 5007184 5241036 5269992 5309997 5520944 5677789 5901324 6068568 6102096 6114542 6275451 6355272 6574282 6884878 6988048 7079996 7171944 7246239 7510776 7723632 7868432 8281416 8367268 8696688 8918448 9171813 9608566 9661652 9861423 10327317 10482072 10539984 10619994 11355578 11802648 12137136 12229084 12550902 12710544 13148564 13769756 14159992 14343888 14412849 14492478 15021552 16562832 16734536 17033367 18343626 19217132 19323304 19722846 20654634 20964144 21239988 22711156 23009987 23605296 24458168 25101804 26297128 27539512 28319984 28825698 28984956 33469072 33629981 34066734 36687252 38434264 38646608 39445692 39744523 41309268 42479976 45422312 46019974 48916336 50203608 52594256 55079024 57651396 57969912 62455679 67259962 68133468 69029961 73374504 76868528 78891384 79489046 82618536 84959952 90844624 92039948 100407216 100889943 115302792 115939824 119233569 124911358 134519924 136266936 138059922 146749008 157782768 158978092 165237072 184079896 187367037 201779886 230605584 238467138 249822716 269039848 272533872 276119844 317956184 368159792 374734074 403559772 437189753 476934276 499645432 538079696 552239688 635912368 749468148 807119544 874379506 953868552 999290864 1104479376 1311569259 1498936296 1614239088 1748759012 1907737104 2623138518 2997872592 3497518024 5246277036 6995036048 10492554072 20985108144
• Sum of all divisors σ(n): 77648363520
• Sum of proper divisors (its aliquot sum) s(n): 56663255376
• 20985108144 is an abundant number, because the sum of its proper divisors (56663255376) is greater than itself. Its abundance is 35678147232

Bases of 20985108144

• Binary: 10011100010110011110101011010110000₂
• Hexadecimal: 0x4E2CF56B0
• Base-36: 9N1ZP2O

Squares and roots of 20985108144

• 20985108144 squared (20985108144²) is 440374763815375124736
• 20985108144 cubed (20985108144³) is 9241312042554105042512449449984
• The square root of 20985108144 is 144862.3765647935
• The cube root of 20985108144 is 2758.2718713475

Scales and comparisons

• 20,985,108,144 seconds is equal to 667 years, 13 weeks, 4 days, 4 hours, 42 minutes, 24 seconds.
• To count from 1 to 20,985,108,144 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 20985108144 cubic inches would be around 229.9 feet tall.

Recreational maths with 20985108144

• 20985108144 backwards is 44180158902
• 20985108144 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20985108144's digits is 42
• More coming soon!