66940808796225

Names of 66940808796225

• Cardinal: 66940808796225 can be written as Sixty-six trillion, nine hundred forty billion, eight hundred eight million, seven hundred ninety-six thousand, two hundred twenty-five.

Scientific notation

• Scientific notation: 6.6940808796225 × 10¹³

Factors of 66940808796225

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 401

Divisors of 66940808796225

• Number of divisors d(n): 360
• Complete list of divisors:
  1 3 5 7 9 13 15 21 25 27 35 39 45 49 63 65 75 81 91 105 117 135 147 175 189 195 225 245 273 315 325 351 373 405 441 455 525 567 585 637 675 735 819 945 975 1053 1119 1225 1323 1365 1575 1755 1865 1911 2025 2205 2275 2457 2611 2835 2925 3185 3357 3675 3969 4095 4725 4849 5265 5595 5733 6615 6825 7371 7833 8775 9325 9555 10071 11025 12285 13055 14175 14547 15925 16785 17199 18277 19845 20475 23499 24245 26325 27975 28665 30213 33075 33943 36855 39165 43641 47775 50355 51597 54831 61425 65275 70497 72735 83925 85995 91385 99225 101829 117495 121225 130923 139129 143325 151065 164493 169715 184275 195825 211491 218205 237601 251775 257985 274155 305487 352485 363675 392769 417387 429975 456925 493479 509145 587475 654615 695645 712803 755325 822465 848575 916461 973903 1057455 1091025 1188005 1252161 1289925 1370775 1480437 1527435 1762425 1808677 1963845 2086935 2138409 2467395 2545725 2749383 2921709 3273075 3478225 3564015 3756483 4112325 4582305 4869515 5287275 5426031 5940025 6260805 6415227 6817321 7402185 7637175 8765127 9043385 9819225 10434675 10692045 11269449 12336975 12660739 13746915 14608545 16278093 17820075 18782415 19245681 20451963 22911525 24347575 26295381 27130155 31304025 32076135 34086605 37010925 37982217 43825635 45216925 48834279 51895117 53460225 56347245 61355889 63303695 68734575 73042725 78886143 81390465 88625173 93912075 96228405 102259815 113946651 131476905 135650775 146502837 155685351 160380675 170433025 184067667 189911085 219128175 244171395 259475585 265875519 281736225 306779445 316518475 341839953 363265819 394430715 406952325 443125865 467056053 481142025 511299075 552203001 569733255 657384525 674636521 732514185 778426755 797626557 920338335 949555425 1025519859 1089797457 1220856975 1297377925 1329377595 1401168159 1533897225 1709199765 1816329095 1972153575 2023909563 2215629325 2335280265 2392879671 2542860733 2761015005 2848666275 3269392371 3373182605 3662570925 3892133775 3988132785 4203504477 4601691675 4722455647 5127599295 5448987285 6071728689 6646887975 7005840795 7178639013 7628582199 8545998825 9081645475 9808177113 10119547815 11676401325 11964398355 12714303665 13805075025 14167366941 16346961855 16865913025 18215186067 19940663925 21017522385 22885746597 23612278235 25637996475 27244936425 29424531339 30358643445 33057189529 35029203975 35893195065 38142910995 42502100823 49040885565 50597739075 54645558201 59821991775 63571518325 68657239791 70836834705 81734809275 91075930335 99171568587 105087611925 114428732985 118061391175 127506302469 147122656695 151793217225 165285947645 179465975325 190714554975 205971719373 212510504115 245204427825 273227791005 297514705761 343286198955 354184173525 382518907407 455379651675 495857842935 572143664925 637531512345 735613283475 826429738225 892544117283 1029858596865 1062552520575 1366138955025 1487573528805 1716430994775 1912594537035 2479289214675 2677632351849 3187657561725 4462720586415 5149292984325 7437867644025 9562972685175 13388161759245 22313602932075 66940808796225
• Sum of all divisors σ(n): 155755123976760
• Sum of proper divisors (its aliquot sum) s(n): 88814315180535
• 66940808796225 is an abundant number, because the sum of its proper divisors (88814315180535) is greater than itself. Its abundance is 21873506384310

Bases of 66940808796225

• Binary: 1111001110000111011111001000010001100001000001₂
• Hexadecimal: 0x3CE1DF211841
• Base-36: NQ86L7329

Squares and roots of 66940808796225

• 66940808796225 squared (66940808796225²) is 4481071882292754333574250625
• 66940808796225 cubed (66940808796225³) is 299966576074699327113510184082162703890625
• The square root of 66940808796225 is 8181736.2947130605
• The cube root of 66940808796225 is 40603.5168874313

Scales and comparisons

• 66,940,808,796,225 seconds is equal to 2,128,510 years, 34 weeks, 1 day, 14 hours, 3 minutes, 45 seconds.
• To count from 1 to 66,940,808,796,225 would take you about five million, three hundred twenty-one thousand, two hundred seventy-six 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 66940808796225 cubic inches would be around 3383.6 feet tall.

Recreational maths with 66940808796225

• 66940808796225 backwards is 52269780804966
• The number of decimal digits it has is: 14
• The sum of 66940808796225's digits is 72
• More coming soon!