18910009499472

Names of 18910009499472

• Cardinal: 18910009499472 can be written as Eighteen trillion, nine hundred ten billion, nine million, four hundred ninety-nine thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 1.8910009499472 × 10¹³

Factors of 18910009499472

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 137

Divisors of 18910009499472

• Number of divisors d(n): 600
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 21 23 24 26 28 36 39 42 46 48 52 56 63 69 72 78 84 89 91 92 104 112 117 126 138 144 156 161 168 178 182 184 207 208 234 252 267 273 276 299 312 322 336 356 364 368 414 468 483 504 534 546 552 598 623 624 644 712 728 801 819 828 897 936 966 1008 1068 1092 1104 1157 1196 1246 1288 1424 1449 1456 1602 1638 1656 1794 1869 1872 1932 2047 2093 2136 2184 2314 2392 2492 2576 2691 2898 3204 3276 3312 3471 3588 3738 3864 4094 4186 4272 4368 4628 4784 4984 5382 5607 5796 6141 6279 6408 6552 6942 7176 7476 7728 7921 8099 8188 8372 9256 9968 10413 10764 11214 11592 12282 12558 12816 13104 13884 14329 14352 14952 15842 16198 16376 16744 18423 18512 18837 20826 21528 22428 23184 23763 24297 24564 25116 26611 27768 28658 29904 31684 32396 32752 33488 36846 37674 41652 42987 43056 44856 47526 48594 49128 50232 53222 55447 55536 57316 63368 64792 71289 72891 73692 75348 79833 83304 85974 89712 95052 97188 98256 100464 102973 106444 110894 114632 126736 128961 129584 142578 145782 147384 150696 159666 166341 166608 171948 182183 186277 190104 194376 205946 212888 221788 229264 239499 257922 285156 291564 294768 301392 308919 319332 332682 343896 364366 372554 380208 388752 411892 425776 443576 478998 499023 515844 546549 558831 570312 583128 617838 638664 665364 687792 704969 720811 728732 745108 823784 887152 926757 957996 998046 1031688 1093098 1117662 1140624 1166256 1235676 1275281 1277328 1330728 1409938 1441622 1457464 1490216 1639647 1647568 1676493 1853514 1915992 1996092 2063376 2114907 2162433 2186196 2235324 2368379 2471352 2550562 2661456 2819876 2883244 2914928 2980432 3279294 3352986 3707028 3825843 3831984 3992184 4229814 4324866 4372392 4470648 4736758 4934783 4942704 5101124 5639752 5766488 6344721 6487299 6558588 6705972 7105137 7414056 7651686 7984368 8459628 8649732 8744784 8941296 9164597 9473516 9869566 10202248 11279504 11477529 11532976 12689442 12974598 13117176 13411944 14210274 14804349 14828112 15303372 16214287 16578653 16919256 17299464 18329194 18947032 19739132 20404496 21315411 22955058 25378884 25949196 26234352 26823888 27493791 28420548 29608698 30606744 32428574 33157306 33838512 34598928 36658388 37894064 39478264 42630822 44413047 45910116 48642861 49735959 50757768 51898392 54987582 56841096 59217396 61213488 62742241 64152179 64857148 66314612 73316776 78956528 82481373 85261644 88826094 91820232 97285722 99471918 101515536 103796784 109975164 113500009 113682192 118434792 125484482 128304358 129714296 132629224 145928583 146633552 149207877 164962746 170523288 177652188 183640464 188226723 192456537 194571444 198943836 210785731 219950328 227000018 236869584 250968964 256608716 259428592 265258448 291857166 298415754 329925492 340500027 341046576 355304376 376453446 384913074 389142888 397887672 421571462 439195687 439900656 454000036 501937928 513217432 564680169 577369611 583714332 596831508 632357193 659850984 681000054 710608752 752906892 769826148 778285776 795775344 815649133 843142924 878391374 908000072 1003875856 1021500081 1026434864 1129360338 1154739222 1167428664 1193663016 1264714386 1317587061 1319701968 1362000108 1443071543 1475500117 1505813784 1539652296 1631298266 1686285848 1756782748 1816000144 1897071579 2043000162 2258720676 2309478444 2334857328 2387326032 2446947399 2529428772 2635174122 2724000216 2886143086 2951000234 3011627568 3079304592 3262596532 3372571696 3513565496 3794143158 3952761183 4086000324 4329214629 4426500351 4517441352 4618956888 4893894798 5058857544 5270348244 5448000432 5709543931 5772286172 5902000468 6525193064 7027130992 7340842197 7588286316 7905522366 8172000648 8658429258 8853000702 9034882704 9237913776 9787789596 10101500801 10117715088 10540696488 11419087862 11544572344 11804000936 12987643887 13050386128 13279501053 14681684394 15176572632 15811044732 16344001296 17128631793 17316858516 17706001404 18759930059 19575579192 20203001602 21081392976 22838175724 23089144688 23608001872 25975287774 26559002106 29363368788 30304502403 30353145264 31622089464 34257263586 34633717032 35412002808 37519860118 39151158384 40406003204 45676351448 51385895379 51950575548 53118004212 56279790177 58726737576 60609004806 63244178928 68514527172 69267434064 70824005616 75039720236 80812006408 90913507209 91352702896 102771790758 103901151096 106236008424 112559580354 117453475152 121218009612 131319510413 137029054344 150079440472 161624012816 168839370531 181827014418 205543581516 207802302192 212472016848 225119160708 242436019224 262639020826 274058108688 300158880944 337678741062 363654028836 393958531239 411087163032 450238321416 484872038448 525278041652 675357482124 727308057672 787917062478 822174326064 900476642832 1050556083304 1181875593717 1350714964248 1454616115344 1575834124956 2101112166608 2363751187434 2701429928496 3151668249912 4727502374868 6303336499824 9455004749736 18910009499472
• Sum of all divisors σ(n): 68738756521344
• Sum of proper divisors (its aliquot sum) s(n): 49828747021872
• 18910009499472 is an abundant number, because the sum of its proper divisors (49828747021872) is greater than itself. Its abundance is 30918737522400

Bases of 18910009499472

• Binary: 100010011001011010100011001100001111101010000₂
• Hexadecimal: 0x1132D4661F50
• Base-36: 6PB4ZEWK0

Squares and roots of 18910009499472

• 18910009499472 squared (18910009499472²) is 357588459270121279968278784
• 18910009499472 cubed (18910009499472³) is 6762001161699549763857687468265196802048
• The square root of 18910009499472 is 4348564.0732858015
• The cube root of 18910009499472 is 26641.8215899253

Scales and comparisons

• 18,910,009,499,472 seconds is equal to 601,279 years, 42 weeks, 16 hours, 31 minutes, 12 seconds.
• To count from 1 to 18,910,009,499,472 would take you about one million, five hundred three thousand, one hundred ninety-nine 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 18910009499472 cubic inches would be around 2220.2 feet tall.

Recreational maths with 18910009499472

• 18910009499472 backwards is 27499490001981
• 18910009499472 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18910009499472's digits is 63
• More coming soon!