31645745899066368

Names of 31645745899066368

• Cardinal: 31645745899066368 can be written as Thirty-one quadrillion, six hundred forty-five trillion, seven hundred forty-five billion, eight hundred ninety-nine million, sixty-six thousand, three hundred sixty-eight.

Scientific notation

• Scientific notation: 3.1645745899066368 × 10¹⁶

Factors of 31645745899066368

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 7629168

Divisors of 31645745899066368

• Number of divisors d(n): 440
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 19 24 27 32 36 38 48 54 57 64 72 76 81 96 108 114 128 144 152 162 171 192 216 228 256 288 304 324 342 384 432 456 512 513 576 608 648 684 768 864 912 1024 1026 1152 1216 1296 1368 1536 1539 1728 1824 2052 2304 2432 2592 2633 2736 3072 3078 3456 3648 4104 4608 4864 5184 5266 5472 6156 6912 7296 7899 8208 9216 9728 10368 10532 10944 12312 13824 14592 15798 16416 19456 20736 21064 21888 23697 24624 27648 29184 31596 32832 41472 42128 43776 47394 49248 50027 58368 63192 65664 71091 82944 84256 87552 94788 98496 100054 126384 131328 142182 150081 168512 175104 189576 196992 200108 213273 252768 262656 284364 300162 337024 379152 393984 400216 426546 450243 505536 525312 568728 600324 674048 758304 787968 800432 853092 900486 1011072 1137456 1200648 1348096 1350729 1516608 1575936 1600864 1706184 1800972 2022144 2274912 2401296 2696192 2701458 3033216 3201728 3412368 3601944 4044288 4052187 4549824 4802592 5402916 6066432 6403456 6824736 7203888 7626511 8088576 8104374 9099648 9605184 10805832 12132864 12806912 13649472 14407776 15253022 16208748 18199296 19210368 21611664 22879533 24265728 25613824 27298944 28815552 30506044 32417496 36398592 38420736 43223328 45759066 51227648 54597888 57631104 61012088 64834992 68638599 72797184 76841472 86446656 91518132 109195776 115262208 122024176 129669984 137277198 144903709 153682944 172893312 183036264 205915797 218391552 230524416 244048352 259339968 274554396 289807418 345786624 366072528 411831594 434711127 461048832 488096704 518679936 549108792 579614836 617747391 691573248 732145056 823663188 869422254 976193408 1037359872 1098217584 1159229672 1235494782 1304133381 1383146496 1464290112 1647326376 1738844508 1952386816 2074719744 2196435168 2318459344 2470989564 2608266762 2928580224 3294652752 3477689016 3904773632 3912400143 4149439488 4392870336 4636918688 4941979128 5216533524 5857160448 6589305504 6955378032 7809547264 7824800286 8785740672 9273837376 9883958256 10433067048 11714320896 11737200429 13178611008 13910756064 15649600572 17571481344 18547674752 19767916512 20080603463 20866134096 23428641792 23474400858 26357222016 27821512128 31299201144 35142962688 37095349504 39535833024 40161206926 41732268192 46948801716 52714444032 55643024256 60241810389 62598402288 70285925376 74190699008 79071666048 80322413852 83464536384 93897603432 105428888064 111286048512 120483620778 125196804576 148381398016 158143332096 160644827704 166929072768 180725431167 187795206864 210857776128 222572097024 240967241556 250393609152 316286664192 321289655408 333858145536 361450862334 375590413728 381531465797 445144194048 481934483112 500787218304 542176293501 632573328384 642579310816 667716291072 722901724668 751180827456 763062931594 963868966224 1001574436608 1084352587002 1144594397391 1285158621632 1335432582144 1445803449336 1502361654912 1526125863188 1626528880503 1927737932448 2003148873216 2168705174004 2289188794782 2570317243264 2891606898672 3004723309824 3052251726376 3253057761006 3433783192173 3855475864896 4006297746432 4337410348008 4578377589564 5140634486528 5783213797344 6009446619648 6104503452752 6506115522012 6867566384346 7710951729792 8674820696016 9156755179128 10281268973056 10301349576519 11566427594688 12018893239296 12209006905504 13012231044024 13735132768692 15421903459584 17349641392032 18313510358256 20562537946112 20602699153038 23132855189376 24418013811008 26024462088048 27470265537384 30843806919168 30904048729557 34699282784064 36627020716512 41205398306076 46265710378752 48836027622016 52048924176096 54940531074768 61687613838336 61808097459114 69398565568128 73254041433024 82410796612152 92531420757504 97672055244032 104097848352192 109881062149536 123616194918228 138797131136256 146508082866048 164821593224304 185062841515008 195344110488064 208195696704384 219762124299072 247232389836456 277594262272512 293016165732096 329643186448608 390688220976128 416391393408768 439524248598144 494464779672912 555188524545024 586032331464192 659286372897216 832782786817536 879048497196288 988929559345824 1172064662928384 1318572745794432 1665565573635072 1758096994392576 1977859118691648 2637145491588864 3516193988785152 3955718237383296 5274290983177728 7911436474766592 10548581966355456 15822872949533184 31645745899066368
• Sum of all divisors σ(n): 99511881399553920
• Sum of proper divisors (its aliquot sum) s(n): 67866135500487552
• 31645745899066368 is an abundant number, because the sum of its proper divisors (67866135500487552) is greater than itself. Its abundance is 36220389601421184

Bases of 31645745899066368

• Binary: 1110000011011011010001101100010111101110101010000000000₂
• Hexadecimal: 0x706DA362F75400
• Base-36: 8NLHAYVCW00

Squares and roots of 31645745899066368

• 31645745899066368 squared (31645745899066368²) is 1001453233508275847928654068711424
• 31645745899066368 cubed (31645745899066368³) is 31691734557401274245350429390989539175682415788032
• The square root of 31645745899066368 is 177892512.2062937421
• The cube root of 31645745899066368 is 316304.3118113487

Scales and comparisons

• 31,645,745,899,066,368 seconds is equal to 1,006,236,832 years, 45 weeks, 2 days, 2 hours, 52 minutes, 48 seconds.
• To count from 1 to 31,645,745,899,066,368 would take you about three billion, eighteen million, seven hundred ten thousand, four hundred ninety-eight 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 31645745899066368 cubic inches would be around 26358.7 feet tall.

Recreational maths with 31645745899066368

• 31645745899066368 backwards is 86366099854754613
• The number of decimal digits it has is: 17
• The sum of 31645745899066368's digits is 90
• More coming soon!