61821059731040640

Names of 61821059731040640

• Cardinal: 61821059731040640 can be written as Sixty-one quadrillion, eight hundred twenty-one trillion, fifty-nine billion, seven hundred thirty-one million, forty thousand, six hundred forty.

Scientific notation

• Scientific notation: 6.182105973104064 × 10¹⁶

Factors of 61821059731040640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 26797845

Divisors of 61821059731040640

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 47 48 60 64 80 94 96 120 128 141 160 188 192 235 240 282 320 376 384 470 480 564 640 705 752 940 960 1128 1410 1504 1880 1920 2256 2820 3008 3760 4512 5640 6016 7520 9024 11280 15040 18048 22560 25589 30080 45120 51178 76767 90240 102356 127945 153534 204712 255890 307068 383835 409424 511780 614136 767670 818848 1023560 1202683 1228272 1535340 1637696 2047120 2405366 2456544 3070680 3275392 3608049 4094240 4810732 4913088 6013415 6141360 7216098 8188480 9621464 9826176 12026830 12282720 14432196 16376960 18040245 19242928 24053660 24565440 26772199 28864392 36080490 38485856 48107320 49130880 53544398 57728784 72160980 76971712 80316597 96214640 107088796 115457568 133860995 144321960 153943424 160633194 192429280 214177592 230915136 267721990 288643920 321266388 384858560 401582985 428355184 461830272 535443980 577287840 642532776 769717120 803165970 856710368 1070887960 1154575680 1258293353 1285065552 1606331940 1713420736 2141775920 2309151360 2516586706 2570131104 3212663880 3426841472 3774880059 4283551840 5033173412 5140262208 6291466765 6425327760 7549760118 8567103680 10066346824 10280524416 12582933530 12850655520 15099520236 17134207360 18874400295 20132693648 25165867060 25701311040 30199040472 37748800590 40265387296 50331734120 51402622080 60398080944 75497601180 80530774592 100663468240 120796161888 150995202360 161061549184 201326936480 241592323776 301990404720 402653872960 483184647552 603980809440 685073800211 805307745920 1207961618880 1370147600422 2055221400633 2415923237760 2740295200844 3425369001055 4110442801266 5480590401688 6850738002110 8220885602532 10276107003165 10961180803376 13701476004220 16441771205064 20552214006330 21922361606752 27402952008440 32198468609917 32883542410128 41104428012660 43844723213504 54805904016880 64396937219834 65767084820256 82208856025320 87689446427008 96595405829751 109611808033760 128793874439668 131534169640512 160992343049585 164417712050640 193190811659502 219223616067520 257587748879336 263068339281024 321984686099170 328835424101280 386381623319004 438447232135040 482977029148755 515175497758672 643969372198340 657670848202560 772763246638008 965954058297510 1030350995517344 1287938744396680 1315341696405120 1545526493276016 1931908116595020 2060701991034688 2575877488793360 3091052986552032 3863816233190040 4121403982069376 5151754977586720 6182105973104064 7727632466380080 10303509955173440 12364211946208128 15455264932760160 20607019910346880 30910529865520320 61821059731040640
• Sum of all divisors σ(n): 201255151668480000
• Sum of proper divisors (its aliquot sum) s(n): 139434091937439360
• 61821059731040640 is an abundant number, because the sum of its proper divisors (139434091937439360) is greater than itself. Its abundance is 77613032206398720

Bases of 61821059731040640

• Binary: 11011011101000011110110100100000111010000010100110000000₂
• Hexadecimal: 0xDBA1ED20E82980
• Base-36: GWPQIRREETC

Squares and roots of 61821059731040640

• 61821059731040640 squared (61821059731040640²) is 3821843426268894608095937331609600
• 61821059731040640 cubed (61821059731040640³) is 236270410738054347751286345832742854866174214144000
• The square root of 61821059731040640 is 248638411.6162276323
• The cube root of 61821059731040640 is 395408.0272966385

Scales and comparisons

• 61,821,059,731,040,640 seconds is equal to 1,965,718,474 years, 18 weeks, 2 days, 19 hours, 44 minutes.
• To count from 1 to 61,821,059,731,040,640 would take you about five billion, eight hundred ninety-seven million, one hundred fifty-five thousand, four hundred twenty-three 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 61821059731040640 cubic inches would be around 32950.7 feet tall.

Recreational maths with 61821059731040640

• 61821059731040640 backwards is 04604013795012816
• The number of decimal digits it has is: 17
• The sum of 61821059731040640's digits is 57
• More coming soon!