81325839319040

Names of 81325839319040

• Cardinal: 81325839319040 can be written as Eighty-one trillion, three hundred twenty-five billion, eight hundred thirty-nine million, three hundred nineteen thousand and forty.

Scientific notation

• Scientific notation: 8.132583931904 × 10¹³

Factors of 81325839319040

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 3981

Divisors of 81325839319040

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 32 34 40 61 64 68 80 85 122 127 128 136 160 170 244 254 256 272 305 320 340 488 508 512 544 610 635 640 680 976 1016 1024 1037 1088 1220 1270 1280 1360 1952 2032 2048 2074 2159 2176 2440 2540 2560 2720 3769 3904 4064 4096 4148 4318 4352 4880 5080 5120 5185 5440 7538 7747 7808 8128 8192 8296 8636 8704 9760 10160 10240 10370 10795 10880 15076 15494 15616 16256 16384 16592 17272 17408 18845 19520 20320 20480 20740 21590 21760 30152 30988 31232 32512 32768 33184 34544 34816 37690 38735 39040 40640 40960 41480 43180 43520 60304 61976 62464 64073 65024 66368 69088 69632 75380 77470 78080 81280 81920 82960 86360 87040 120608 123952 124928 128146 130048 131699 132736 138176 139264 150760 154940 156160 162560 163840 165920 172720 174080 229909 241216 247904 249856 256292 260096 263398 265472 276352 278528 301520 309880 312320 320365 325120 331840 345440 348160 459818 478663 482432 495808 499712 512584 520192 526796 530944 552704 557056 603040 619760 624640 640730 650240 658495 663680 690880 696320 919636 957326 964864 991616 999424 1025168 1040384 1053592 1061888 1105408 1149545 1206080 1239520 1249280 1281460 1300480 1316990 1327360 1381760 1392640 1839272 1914652 1929728 1983232 1998848 2050336 2080768 2107184 2123776 2210816 2299090 2393315 2412160 2479040 2498560 2562920 2600960 2633980 2654720 2763520 2785280 3678544 3829304 3859456 3908453 3966464 4100672 4161536 4214368 4247552 4421632 4598180 4786630 4824320 4958080 4997120 5125840 5201920 5267960 5309440 5527040 7357088 7658608 7718912 7816906 7932928 8137271 8201344 8428736 8495104 8843264 9196360 9573260 9648640 9916160 9994240 10251680 10403840 10535920 10618880 11054080 14714176 15317216 15437824 15633812 15865856 16274542 16402688 16857472 16990208 17686528 18392720 19146520 19297280 19542265 19832320 20503360 20807680 21071840 21237760 22108160 29198443 29428352 30634432 30875648 31267624 31731712 32549084 32805376 33714944 33980416 35373056 36785440 38293040 38594560 39084530 39664640 40686355 41006720 42143680 42475520 44216320 58396886 58856704 61268864 61751296 62535248 63463424 65098168 65610752 67429888 70746112 73570880 76586080 77189120 78169060 79329280 81372710 82013440 84287360 84951040 88432640 116793772 117713408 122537728 123502592 125070496 126926848 130196336 131221504 134859776 145992215 147141760 153172160 154378240 156338120 158658560 162745420 164026880 168574720 169902080 176865280 233587544 235426816 245075456 250140992 253853696 260392672 262443008 269719552 291984430 294283520 306344320 308756480 312676240 317317120 325490840 328053760 337149440 353730560 467175088 470853632 490150912 496373531 500281984 520785344 524886016 539439104 583968860 588567040 612688640 617512960 625352480 634634240 650981680 656107520 674298880 934350176 941707264 980301824 992747062 1000563968 1041570688 1049772032 1078878208 1167937720 1177134080 1225377280 1250704960 1269268480 1301963360 1312215040 1348597760 1868700352 1883414528 1960603648 1985494124 2001127936 2083141376 2099544064 2157756416 2335875440 2354268160 2450754560 2481867655 2501409920 2603926720 2624430080 2697195520 3737400704 3766829056 3921207296 3970988248 4002255872 4166282752 4315512832 4671750880 4708536320 4901509120 4963735310 5002819840 5207853440 5248860160 5394391040 7474801408 7533658112 7842414592 7941976496 8004511744 8332565504 9343501760 9417072640 9803018240 9927470620 10005639680 10415706880 10497720320 10788782080 14949602816 15684829184 15883952992 16009023488 16665131008 18687003520 18834145280 19606036480 19854941240 20011279360 20831413760 21577564160 29899205632 31767905984 32018046976 33330262016 37374007040 37668290560 39212072960 39709882480 40022558720 41662827520 59798411264 63535811968 64036093952 66660524032 74748014080 78424145920 79419764960 80045117440 83325655040 119596822528 127071623936 128072187904 133321048064 149496028160 158839529920 160090234880 166651310080 239193645056 254143247872 266642096128 298992056320 317679059840 320180469760 333302620160 478387290112 508286495744 597984112640 635358119680 640360939520 666605240320 956774580224 1016572991488 1195968225280 1270716239360 1333210480640 2033145982976 2391936450560 2541432478720 4066291965952 4783872901120 5082864957440 8132583931904 10165729914880 16265167863808 20331459829760 40662919659520 81325839319040
• Sum of all divisors σ(n): 211758118041600
• Sum of proper divisors (its aliquot sum) s(n): 130432278722560
• 81325839319040 is an abundant number, because the sum of its proper divisors (130432278722560) is greater than itself. Its abundance is 49106439403520

Bases of 81325839319040

• Binary: 10010011111011100100101110000111000000000000000₂
• Hexadecimal: 0x49F725C38000
• Base-36: STSKOYJNK

Squares and roots of 81325839319040

• 81325839319040 squared (81325839319040²) is 6613892140946312450906521600
• 81325839319040 cubed (81325839319040³) is 537880329528061262673630704028839051264000
• The square root of 81325839319040 is 9018084.0159670281
• The cube root of 81325839319040 is 43325.4269705149

Scales and comparisons

• 81,325,839,319,040 seconds is equal to 2,585,910 years, 6 weeks, 6 days, 9 hours, 57 minutes, 20 seconds.
• To count from 1 to 81,325,839,319,040 would take you about six million, four hundred sixty-four thousand, seven hundred seventy-five 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 81325839319040 cubic inches would be around 3610.5 feet tall.

Recreational maths with 81325839319040

• 81325839319040 backwards is 04091393852318
• The number of decimal digits it has is: 14
• The sum of 81325839319040's digits is 56
• More coming soon!