18198971031439040

Names of 18198971031439040

• Cardinal: 18198971031439040 can be written as Eighteen quadrillion, one hundred ninety-eight trillion, nine hundred seventy-one billion, thirty-one million, four hundred thirty-nine thousand and forty.

Scientific notation

• Scientific notation: 1.819897103143904 × 10¹⁶

Factors of 18198971031439040

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 21054

Divisors of 18198971031439040

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 61 64 80 122 127 160 244 254 305 320 409 488 508 610 635 818 919 976 1016 1220 1270 1636 1838 1952 2032 2045 2440 2540 3272 3676 3904 4064 4090 4595 4880 5080 6544 7352 7747 8128 8180 9190 9760 10160 13088 14704 15494 16360 18380 19520 19531 20320 24949 26176 29408 30988 32720 36760 38735 39062 40640 49898 51943 56059 58816 61976 65440 73520 77470 78124 97655 99796 103886 112118 116713 123952 124745 130880 147040 154940 156248 195310 199592 207772 224236 233426 247904 249490 259715 280295 294080 309880 312496 375871 390620 399184 415544 448472 466852 495808 498980 519430 560590 583565 619760 624992 751742 781240 798368 831088 896944 933704 997960 1038860 1121180 1167130 1191391 1239520 1249984 1503484 1562480 1596736 1662176 1793888 1867408 1879355 1995920 2077720 2242360 2334260 2382782 2479040 2480437 3006968 3124960 3168523 3324352 3587776 3734816 3758710 3991840 4155440 4484720 4668520 4765564 4960874 5956955 6013936 6249920 6337046 7119493 7469632 7517420 7983680 7988179 8310880 8969440 9337040 9531128 9921748 11913910 12027872 12402185 12674092 14238986 15034840 15842615 15976358 16621760 17938880 17948989 18674080 19062256 19843496 22928131 23827820 24055744 24804370 25348184 28477972 30069680 31685230 31952716 35597465 35897978 37348160 38124512 39686992 39940895 45856262 47655640 47735617 49608740 50696368 56955944 60139360 63370460 63905432 71194930 71795956 76249024 79373984 79881790 89744945 91712524 95311280 95471234 99217480 101392736 113911888 114640655 120278720 126740920 127810864 142389860 143591912 151306657 158747968 159763580 179489890 183425048 190622560 190942468 198434960 202785472 227823776 229281310 238678085 253481840 255621728 284779720 287183824 302613314 319527160 358979780 366850096 381245120 381884936 396869920 455647552 458562620 477356170 487278919 506963680 511243456 569559440 574367648 605226628 639054320 717959560 733700192 756533285 763769872 793739840 917125240 954712340 974557838 1013927360 1014498733 1094888329 1139118880 1148735296 1210453256 1278108640 1435919120 1467400384 1513066570 1527539744 1834250480 1909424680 1949115676 2028997466 2189776658 2278237760 2279521603 2420906512 2436394595 2556217280 2871838240 2911872637 3026133140 3055079488 3668500960 3818849360 3898231352 4057994932 4379553316 4559043206 4841813024 4872789190 5072493665 5474441645 5743676480 5823745274 6052266280 7337001920 7341136501 7637698720 7796462704 8115989864 8759106632 9118086412 9683626048 9745578380 10144987330 10948883290 11397608015 11647490548 12104532560 14559363185 14682273002 15275397440 15592925408 16231979728 17518213264 18236172824 19491156760 20289974660 21897766580 22795216030 23294981096 24209065120 29118726370 29364546004 31185850816 32463959456 35036426528 36472345648 36705682505 38982313520 40579949320 43795533160 45590432060 46589962192 48418130240 58237452740 58729092008 61884422713 64927918912 70072853056 72944691296 73411365010 77964627040 81159898640 87591066320 91180864120 93179924384 116474905480 117458184016 123768845426 139050817783 145889382592 146822730020 155929254080 162319797280 175182132640 182361728240 186359848768 232949810960 234916368032 247537690852 278101635566 293645460040 309422113565 324639594560 350364265280 364723456480 447809326561 465899621920 469832736064 495075381704 556203271132 587290920080 618844227130 695254088915 729446912960 895618653122 931799243840 932324335627 990150763408 1112406542264 1174581840160 1237688454260 1390508177830 1791237306244 1864648671254 1980301526816 2224813084528 2239046632805 2349163680320 2475376908520 2781016355660 3582474612488 3729297342508 3960603053632 4449626169056 4478093265610 4661621678135 4950753817040 5562032711320 7164949224976 7458594685016 8899252338112 8956186531220 9323243356270 9901507634080 11124065422640 14329898449952 14917189370032 17912373062440 18646486712540 19803015268160 22248130845280 28659796899904 29834378740064 35824746124880 37292973425080 44496261690560 56871784473247 59668757480128 71649492249760 74585946850160 113743568946494 143298984499520 149171893700320 227487137892988 284358922366235 298343787400640 454974275785976 568717844732470 909948551571952 1137435689464940 1819897103143904 2274871378929880 3639794206287808 4549742757859760 9099485515719520 18198971031439040
• Sum of all divisors σ(n): 44552802761932800
• Sum of proper divisors (its aliquot sum) s(n): 26353831730493760
• 18198971031439040 is an abundant number, because the sum of its proper divisors (26353831730493760) is greater than itself. Its abundance is 8154860699054720

Bases of 18198971031439040

• Binary: 1000000101001111101111000100011100110110100011011000000₂
• Hexadecimal: 0x40A7DE239B46C0
• Base-36: 4Z6ZVVGM08W

Squares and roots of 18198971031439040

• 18198971031439040 squared (18198971031439040²) is 331202546603157355444093236121600
• 18198971031439040 cubed (18198971031439040³) is 6027545551169699330922273149574215887756427264000
• The square root of 18198971031439040 is 134903561.9672032233
• The cube root of 18198971031439040 is 263036.2541714615

Scales and comparisons

• 18,198,971,031,439,040 seconds is equal to 578,670,985 years, 35 weeks, 4 days, 19 hours, 17 minutes, 20 seconds.
• To count from 1 to 18,198,971,031,439,040 would take you about one billion, seven hundred thirty-six million, twelve thousand, nine hundred fifty-seven 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 18198971031439040 cubic inches would be around 21919.7 feet tall.

Recreational maths with 18198971031439040

• 18198971031439040 backwards is 04093413017989181
• The number of decimal digits it has is: 17
• The sum of 18198971031439040's digits is 68
• More coming soon!