18643582443520000

Names of 18643582443520000

• Cardinal: 18643582443520000 can be written as Eighteen quadrillion, six hundred forty-three trillion, five hundred eighty-two billion, four hundred forty-three million, five hundred twenty thousand.

Scientific notation

• Scientific notation: 1.864358244352 × 10¹⁶

Factors of 18643582443520000

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 23
• Sum of prime factors: 20116

Divisors of 18643582443520000

• Number of divisors d(n): 680
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 127 128 160 181 200 250 254 256 320 362 400 500 508 512 625 635 640 724 800 905 1000 1016 1024 1250 1270 1280 1448 1600 1810 2000 2032 2048 2500 2540 2560 2896 3175 3200 3620 4000 4064 4096 4525 5000 5080 5120 5792 6350 6400 7240 8000 8128 8192 9050 10000 10160 10240 11584 12700 12800 14480 15875 16000 16256 16384 18100 19801 20000 20320 20480 22625 22987 23168 25400 25600 28960 31750 32000 32512 32768 36200 39602 40000 40640 40960 45250 45974 46336 50800 51200 57920 63500 64000 65024 65536 72400 79204 79375 80000 81280 81920 90500 91948 92672 99005 101600 102400 113125 114935 115840 127000 128000 130048 144800 158408 158750 160000 162560 163840 181000 183896 185344 198010 203200 204800 226250 229870 231680 254000 256000 260096 289600 316816 317500 320000 325120 327680 362000 367792 370688 396020 406400 409600 452500 459740 463360 495025 508000 512000 520192 574675 579200 633632 635000 640000 650240 724000 735584 741376 792040 812800 819200 905000 919480 926720 990050 1016000 1024000 1040384 1149350 1158400 1267264 1270000 1280000 1300480 1448000 1471168 1482752 1584080 1625600 1638400 1810000 1838960 1853440 1980100 2032000 2048000 2080768 2298700 2316800 2475125 2514727 2534528 2540000 2560000 2600960 2873375 2896000 2942336 2965504 3168160 3251200 3583981 3620000 3677920 3706880 3960200 4064000 4096000 4161536 4597400 4633600 4950250 5029454 5069056 5080000 5120000 5201920 5746750 5792000 5884672 5931008 6336320 6502400 7167962 7240000 7355840 7413760 7920400 8128000 8192000 8323072 9194800 9267200 9900500 10058908 10138112 10160000 10240000 10403840 11493500 11584000 11769344 11862016 12375625 12573635 12672640 13004800 14335924 14366875 14480000 14711680 14827520 15840800 16256000 17919905 18389600 18534400 19801000 20117816 20276224 20320000 20480000 20807680 22987000 23168000 23538688 24751250 25147270 25345280 26009600 28671848 28733750 28960000 29423360 29655040 31681600 32512000 35839810 36779200 37068800 39602000 40235632 40552448 40640000 40960000 41615360 45974000 46336000 47077376 49502500 50294540 50690560 52019200 57343696 57467500 57920000 58846720 59310080 62868175 63363200 65024000 71679620 73558400 74137600 79204000 80471264 81104896 81280000 89599525 91948000 92672000 94154752 99005000 100589080 101381120 104038400 114687392 114935000 115840000 117693440 125736350 126726400 130048000 143359240 147116800 148275200 158408000 160942528 162209792 162560000 179199050 183896000 185344000 188309504 198010000 201178160 202762240 208076800 229374784 229870000 231680000 235386880 251472700 253452800 260096000 286718480 294233600 296550400 314340875 316816000 321885056 324419584 325120000 358398100 367792000 370688000 376619008 396020000 402356320 405524480 447997625 455165587 458749568 459740000 463360000 470773760 502945400 506905600 520192000 573436960 588467200 628681750 633632000 643770112 648839168 650240000 716796200 735584000 741376000 753238016 792040000 804712640 811048960 895995250 910331174 917499136 919480000 926720000 941547520 1005890800 1013811200 1040384000 1146873920 1176934400 1257363500 1267264000 1287540224 1297678336 1300480000 1433592400 1471168000 1482752000 1506476032 1571704375 1584080000 1609425280 1622097920 1791990500 1820662348 1834998272 1838960000 1853440000 1883095040 2011781600 2027622400 2239988125 2275827935 2293747840 2353868800 2514727000 2534528000 2575080448 2600960000 2867184800 2942336000 3143408750 3168160000 3218850560 3244195840 3583981000 3641324696 3669996544 3677920000 3706880000 3766190080 4023563200 4055244800 4479976250 4551655870 4587495680 4707737600 5029454000 5069056000 5150160896 5201920000 5734369600 5884672000 6286817500 6336320000 6437701120 6488391680 7167962000 7282649392 7339993088 7355840000 7413760000 7532380160 8047126400 8110489600 8959952500 9103311740 9174991360 9415475200 10058908000 10138112000 10300321792 11379139675 11468739200 11769344000 12573635000 12672640000 12875402240 14335924000 14565298784 14679986176 14711680000 16094252800 16220979200 17919905000 18206623480 18349982720 18830950400 20117816000 20276224000 20600643584 22758279350 22937478400 23538688000 25147270000 25345280000 25750804480 28671848000 29130597568 29359972352 29423360000 32188505600 32441958400 35839810000 36413246960 36699965440 37661900800 40235632000 40552448000 41201287168 45516558700 45874956800 47077376000 50294540000 50690560000 51501608960 56895698375 57343696000 58261195136 58719944704 58846720000 64377011200 71679620000 72826493920 73399930880 80471264000 81104896000 82402574336 91033117400 91749913600 94154752000 100589080000 101381120000 103003217920 113791396750 114687392000 116522390272 117439889408 117693440000 128754022400 143359240000 145652987840 146799861760 160942528000 162209792000 164805148672 182066234800 183499827200 188309504000 201178160000 202762240000 206006435840 227582793500 229374784000 233044780544 234879778816 235386880000 257508044800 284478491875 286718480000 291305975680 293599723520 321885056000 364132469600 366999654400 402356320000 405524480000 412012871680 455165587000 458749568000 466089561088 470773760000 515016089600 568956983750 573436960000 582611951360 587199447040 643770112000 728264939200 733999308800 804712640000 811048960000 824025743360 910331174000 917499136000 932179122176 941547520000 1030032179200 1137913967500 1146873920000 1165223902720 1174398894080 1287540224000 1456529878400 1467998617600 1609425280000 1820662348000 1834998272000 1864358244352 2060064358400 2275827935000 2293747840000 2330447805440 2575080448000 2913059756800 2935997235200 3218850560000 3641324696000 3669996544000 3728716488704 4120128716800 4551655870000 4587495680000 4660895610880 5150160896000 5826119513600 5871994470400 6437701120000 7282649392000 7339993088000 7457432977408 9103311740000 9174991360000 9321791221760 10300321792000 11652239027200 12875402240000 14565298784000 14679986176000 14914865954816 18206623480000 18349982720000 18643582443520 20600643584000 23304478054400 25750804480000 29130597568000 29359972352000 29829731909632 36413246960000 36699965440000 37287164887040 46608956108800 51501608960000 58261195136000 72826493920000 73399930880000 74574329774080 93217912217600 103003217920000 116522390272000 145652987840000 146799861760000 149148659548160 186435824435200 233044780544000 291305975680000 372871648870400 466089561088000 582611951360000 745743297740800 932179122176000 1165223902720000 1864358244352000 2330447805440000 3728716488704000 4660895610880000 9321791221760000 18643582443520000
• Sum of all divisors σ(n): 47222400539105792
• Sum of proper divisors (its aliquot sum) s(n): 28578818095585792
• 18643582443520000 is an abundant number, because the sum of its proper divisors (28578818095585792) is greater than itself. Its abundance is 9935235652065792

Bases of 18643582443520000

• Binary: 1000010001111000011110101001100111000110000000000000000₂
• Hexadecimal: 0x423C3D4CE30000
• Base-36: 53KLJJBU5TS

Squares and roots of 18643582443520000

• 18643582443520000 squared (18643582443520000²) is 347583166328327173989990400000000
• 18643582443520000 cubed (18643582443520000³) is 6480195417421892521050321409653342208000000000000
• The square root of 18643582443520000 is 136541504.4721567435
• The cube root of 18643582443520000 is 265161.0860809459

Scales and comparisons

• 18,643,582,443,520,000 seconds is equal to 592,808,253 years, 16 weeks, 3 days, 9 hours, 46 minutes, 40 seconds.
• To count from 1 to 18,643,582,443,520,000 would take you about one billion, seven hundred seventy-eight million, four hundred twenty-four thousand, seven hundred fifty-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 18643582443520000 cubic inches would be around 22096.8 feet tall.

Recreational maths with 18643582443520000

• 18643582443520000 backwards is 00002534428534681
• The number of decimal digits it has is: 17
• The sum of 18643582443520000's digits is 55
• More coming soon!