640791375000

Names of 640791375000

• Cardinal: 640791375000 can be written as Six hundred forty billion, seven hundred ninety-one million, three hundred seventy-five thousand.

Scientific notation

• Scientific notation: 6.40791375 × 10¹¹

Factors of 640791375000

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 871

Divisors of 640791375000

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 25 28 30 35 40 42 43 49 50 56 60 70 75 84 86 98 100 105 120 125 129 140 147 150 168 172 175 196 200 210 215 245 250 258 280 294 300 301 344 350 375 392 420 430 490 500 516 525 588 600 602 625 645 700 735 750 811 840 860 875 903 980 1000 1032 1050 1075 1176 1204 1225 1250 1290 1400 1470 1500 1505 1622 1720 1750 1806 1875 1960 2100 2107 2150 2408 2433 2450 2500 2580 2625 2940 3000 3010 3125 3225 3244 3500 3612 3675 3750 4055 4200 4214 4300 4375 4515 4866 4900 5000 5160 5250 5375 5677 5880 6020 6125 6250 6321 6450 6488 7000 7224 7350 7500 7525 8110 8428 8600 8750 9030 9375 9732 9800 10500 10535 10750 11354 12040 12165 12250 12500 12642 12900 13125 14700 15000 15050 15625 16125 16220 16856 17031 17500 18060 18375 18750 19464 20275 21000 21070 21500 21875 22575 22708 24330 24500 25000 25284 25800 26250 26875 28385 29400 30100 30625 31250 31605 32250 32440 34062 34873 35000 36120 36750 37500 37625 39739 40550 42140 43000 43750 45150 45416 46875 48660 49000 50568 52500 52675 53750 56770 60200 60825 61250 62500 63210 64500 65625 68124 69746 73500 75000 75250 79478 80625 81100 84280 85155 87500 90300 91875 93750 97320 101375 104619 105000 105350 107500 109375 112875 113540 119217 121650 122500 125000 126420 129000 131250 134375 136248 139492 141925 147000 150500 153125 158025 158956 161250 162200 170310 174365 175000 180600 183750 187500 188125 198695 202750 209238 210700 215000 218750 225750 227080 238434 243300 244111 245000 252840 262500 263375 268750 278984 283850 301000 304125 306250 316050 317912 322500 328125 340620 348730 367500 375000 376250 397390 403125 405500 418476 421400 425775 437500 451500 459375 476868 486600 488222 506875 523095 525000 526750 537500 564375 567700 596085 608250 612500 632100 645000 656250 671875 681240 697460 709625 732333 735000 752500 765625 790125 794780 806250 811000 836952 851550 871825 875000 903000 918750 940625 953736 976444 993475 1013750 1046190 1053500 1075000 1128750 1135400 1192170 1216500 1220555 1225000 1264200 1312500 1316875 1343750 1394920 1419250 1464666 1505000 1520625 1531250 1580250 1589560 1612500 1703100 1708777 1743650 1837500 1881250 1952888 1986950 2015625 2027500 2092380 2107000 2128875 2257500 2296875 2384340 2433000 2441110 2534375 2615475 2625000 2633750 2687500 2821875 2838500 2929332 2980425 3041250 3062500 3160500 3225000 3406200 3417554 3487300 3548125 3661665 3675000 3762500 3950625 3973900 4031250 4055000 4184760 4257750 4359125 4515000 4593750 4703125 4768680 4882220 4967375 5068750 5126331 5230950 5267500 5375000 5643750 5677000 5858664 5960850 6082500 6102775 6125000 6321000 6584375 6835108 6974600 7096250 7323330 7525000 7603125 7901250 7947800 8062500 8515500 8543885 8718250 9187500 9406250 9764440 9934750 10137500 10252662 10461900 10535000 10644375 11287500 11921700 12165000 12205550 12671875 13077375 13168750 13670216 14109375 14192500 14646660 14902125 15206250 15802500 16125000 17031000 17087770 17436500 17740625 18308325 18375000 18812500 19753125 19869500 20275000 20505324 20923800 21288750 21795625 22575000 23843400 24411100 24836875 25343750 25631655 26154750 26337500 28218750 28385000 29293320 29804250 30412500 30513875 31605000 32921875 34175540 34873000 35481250 36616650 37625000 38015625 39506250 39739000 41010648 42577500 42719425 43591250 48822200 49673750 50687500 51263310 52309500 52675000 53221875 56437500 59608500 60825000 61027750 65386875 65843750 68351080 70962500 73233300 74510625 76031250 79012500 85155000 85438850 87182500 88703125 91541625 98765625 99347500 101375000 102526620 104619000 106443750 108978125 112875000 119217000 122055500 124184375 128158275 130773750 131687500 141925000 146466600 149021250 152062500 152569375 158025000 170877700 174365000 177406250 183083250 197531250 198695000 205053240 212887500 213597125 217956250 244111000 248368750 256316550 261547500 263375000 266109375 298042500 304125000 305138750 326934375 341755400 354812500 366166500 372553125 395062500 425775000 427194250 435912500 457708125 496737500 512633100 523095000 532218750 544890625 596085000 610277500 620921875 640791375 653868750 709625000 732333000 745106250 762846875 790125000 854388500 871825000 915416250 993475000 1025266200 1064437500 1067985625 1089781250 1220555000 1241843750 1281582750 1307737500 1490212500 1525693750 1634671875 1708777000 1830832500 1862765625 2128875000 2135971250 2179562500 2288540625 2483687500 2563165500 2615475000 2980425000 3051387500 3203956875 3269343750 3661665000 3725531250 3814234375 4271942500 4359125000 4577081250 4967375000 5126331000 5339928125 6102775000 6407913750 6538687500 7451062500 7628468750 8543885000 9154162500 10679856250 11442703125 12815827500 13077375000 14902125000 15256937500 16019784375 18308325000 21359712500 22885406250 25631655000 26699640625 30513875000 32039568750 42719425000 45770812500 53399281250 64079137500 80098921875 91541625000 106798562500 128158275000 160197843750 213597125000 320395687500 640791375000
• Sum of all divisors σ(n): 2386488202560
• Sum of proper divisors (its aliquot sum) s(n): 1745696827560
• 640791375000 is an abundant number, because the sum of its proper divisors (1745696827560) is greater than itself. Its abundance is 1104905452560

Bases of 640791375000

• Binary: 1001010100110010001001000110110010011000₂
• Hexadecimal: 0x9532246C98
• Base-36: 86DIN1CO

Squares and roots of 640791375000

• 640791375000 squared (640791375000²) is 410613586274390625000000
• 640791375000 cubed (640791375000³) is 263117644542447895880859375000000000
• The square root of 640791375000 is 800494.4565704375
• The cube root of 640791375000 is 8621.2893090689

Scales and comparisons

• 640,791,375,000 seconds is equal to 20,375 years, 9 weeks, 3 days, 20 hours, 10 minutes.
• To count from 1 to 640,791,375,000 would take you about forty thousand, seven hundred fifty 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 640791375000 cubic inches would be around 718.4 feet tall.

Recreational maths with 640791375000

• 640791375000 backwards is 000573197046
• 640791375000 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 640791375000's digits is 42
• More coming soon!