20397988902744

Names of 20397988902744

• Cardinal: 20397988902744 can be written as Twenty trillion, three hundred ninety-seven billion, nine hundred eighty-eight million, nine hundred two thousand, seven hundred forty-four.

Scientific notation

• Scientific notation: 2.0397988902744 × 10¹³

Factors of 20397988902744

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 490

Divisors of 20397988902744

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 23 24 27 31 36 46 54 62 69 72 92 93 108 124 138 184 186 207 216 248 276 279 372 414 431 529 552 558 621 713 744 828 837 862 961 1058 1116 1242 1293 1426 1587 1656 1674 1724 1922 2116 2139 2232 2484 2586 2852 2883 3174 3348 3448 3844 3879 4232 4278 4761 4968 5172 5704 5766 6348 6417 6696 7688 7758 8556 8649 9522 9913 10344 11532 11637 12696 12834 13361 14283 15516 16399 17112 17298 19044 19251 19826 22103 23064 23274 25668 25947 26722 28566 29739 31032 32798 34596 38088 38502 39652 40083 44206 46548 49197 51336 51894 53444 57132 59478 65596 66309 69192 77004 79304 80166 88412 89217 93096 98394 103788 106888 114264 118956 120249 131192 132618 147591 154008 160332 176824 178434 185761 196788 198927 207576 227999 237912 240498 265236 267651 295182 307303 320664 356868 360747 371522 393576 397854 414191 442773 455998 480996 508369 530472 535302 557283 590364 596781 614606 683997 713736 721494 743044 795708 828382 885546 911996 921909 961992 1016738 1070604 1114566 1180728 1193562 1229212 1242573 1367994 1442988 1486088 1525107 1591416 1656764 1671849 1771092 1823992 1843818 2033476 2051991 2141208 2229132 2387124 2458424 2485146 2735988 2765727 2885976 3050214 3313528 3343698 3542184 3687636 3727719 4066952 4103982 4272503 4458264 4575321 4774248 4970292 5015547 5471976 5531454 5758591 6100428 6155973 6687396 7067969 7375272 7455438 8207964 8297181 8545006 9150642 9526393 9940584 10031094 11062908 11183157 11517182 12200856 12311946 12817509 13374792 13725963 14135938 14910876 16415928 16594362 17090012 17275773 18301284 19052786 20062188 21203907 22125816 22366314 23034364 24623892 25635018 27451926 28271876 28579179 29821752 33188724 34180024 34551546 36602568 38105572 38452527 40124376 42407814 44732628 46068728 49247784 51270036 51827319 54903852 56543752 57158358 63611721 66377448 69103092 76211144 76905054 84815628 85737537 89465256 98267569 102540072 103654638 109807704 114316716 115357581 127223442 132447593 138206184 153810108 155481957 169631256 171475074 178516321 190835163 196535138 207309276 219107039 228633432 230715162 254446884 257212611 264895186 294802707 307620216 310963914 342950148 357032642 381670326 393070276 397342779 414618552 438214078 461430324 508893768 514425222 529790372 535548963 589605414 621927828 657321117 685900296 714065284 763340652 786140552 794685558 876428156 884408121 922860648 1028850444 1059580744 1071097926 1179210828 1192028337 1243855656 1314642234 1428130568 1526681304 1589371116 1606646889 1752856312 1768816242 1971963351 2057700888 2142195852 2358421656 2384056674 2629284468 2653224363 3046294639 3178742232 3213293778 3537632484 3576085011 3943926702 4105875383 4284391704 4768113348 4819940667 5258568936 5306448726 5915890053 6092589278 6426587556 7075264968 7152170022 7887853404 8211750766 9138883917 9536226696 9639881334 10612897452 11831780106 12185178556 12317626149 12853175112 14304340044 15775706808 16423501532 18277767834 19279762668 21225794904 23663560212 24370357112 24635252298 27416651751 28608680088 32847003064 36555535668 36952878447 38559525336 47327120424 49270504596 54833303502 73111071336 73905756894 82249955253 94435133809 98541009192 109666607004 110858635341 147811513788 164499910506 188870267618 219333214008 221717270682 283305401427 295623027576 328999821012 377740535236 443434541364 566610802854 657999642024 755481070472 849916204281 886869082728 1133221605708 1699832408562 2266443211416 2549748612843 3399664817124 5099497225686 6799329634248 10198994451372 20397988902744
• Sum of all divisors σ(n): 61346385538200
• Sum of proper divisors (its aliquot sum) s(n): 40948396635456
• 20397988902744 is an abundant number, because the sum of its proper divisors (40948396635456) is greater than itself. Its abundance is 20550407732712

Bases of 20397988902744

• Binary: 100101000110101000110111000011111011101011000₂
• Hexadecimal: 0x128D46E1F758
• Base-36: 78APFXK60

Squares and roots of 20397988902744

• 20397988902744 squared (20397988902744²) is 416077951276467373090729536
• 20397988902744 cubed (20397988902744³) is 8487153432813840205819486239991112246784
• The square root of 20397988902744 is 4516413.2785589939
• The cube root of 20397988902744 is 27323.0462374973

Scales and comparisons

• 20,397,988,902,744 seconds is equal to 648,592 years, 49 weeks, 3 days, 12 hours, 32 minutes, 24 seconds.
• To count from 1 to 20,397,988,902,744 would take you about one million, six hundred twenty-one thousand, four hundred eighty-two 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 20397988902744 cubic inches would be around 2276.9 feet tall.

Recreational maths with 20397988902744

• 20397988902744 backwards is 44720988979302
• 20397988902744 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 20397988902744's digits is 72
• More coming soon!