81723422796160

Names of 81723422796160

• Cardinal: 81723422796160 can be written as Eighty-one trillion, seven hundred twenty-three billion, four hundred twenty-two million, seven hundred ninety-six thousand, one hundred sixty.

Scientific notation

• Scientific notation: 8.172342279616 × 10¹³

Factors of 81723422796160

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 2594

Divisors of 81723422796160

• 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 85 122 127 128 136 160 170 244 254 272 305 320 340 488 508 521 544 610 635 640 680 976 1016 1037 1042 1088 1220 1270 1360 1861 1952 2032 2074 2084 2159 2176 2440 2540 2605 2720 3722 3904 4064 4148 4168 4318 4880 5080 5185 5210 5440 7444 7747 7808 8128 8296 8336 8636 8857 9305 9760 10160 10370 10420 10795 10880 14888 15494 16256 16592 16672 17272 17714 18610 19520 20320 20740 20840 21590 29776 30988 31637 31781 33184 33344 34544 35428 37220 38735 39040 40640 41480 41680 43180 44285 59552 61976 63274 63562 66167 66368 66688 69088 70856 74440 77470 81280 82960 83360 86360 88570 113521 119104 123952 126548 127124 131699 132334 132736 138176 141712 148880 154940 158185 158905 165920 166720 172720 177140 227042 236347 238208 247904 253096 254248 263398 264668 276352 283424 297760 309880 316370 317810 330835 331840 333440 345440 354280 454084 472694 495808 506192 508496 526796 529336 540277 566848 567605 595520 619760 632740 635620 658495 661670 663680 690880 708560 908168 945388 969581 991616 1012384 1016992 1053592 1058672 1080554 1124839 1133696 1135210 1181735 1191040 1239520 1265480 1271240 1316990 1323340 1381760 1417120 1816336 1890776 1929857 1939162 2024768 2033984 2107184 2117344 2161108 2249678 2270420 2363470 2479040 2530960 2542480 2633980 2646680 2701385 2834240 3632672 3781552 3859714 3878324 4017899 4036187 4049536 4067968 4214368 4234688 4322216 4499356 4540840 4726940 4847905 4958080 5061920 5084960 5267960 5293360 5402770 5624195 5668480 7265344 7563104 7719428 7756648 8035798 8072374 8428736 8469376 8644432 8998712 9081680 9453880 9649285 9695810 10123840 10169920 10535920 10586720 10805540 11248390 14417167 14530688 15126208 15438856 15513296 16071596 16144748 16482877 16857472 17288864 17997424 18163360 18907760 19298570 19391620 20089495 20180935 20247680 20339840 21071840 21173440 21611080 22496780 28834334 30252416 30877712 31026592 32143192 32289496 32965754 34577728 35994848 36326720 37815520 38597140 38783240 40178990 40361870 42143680 42346880 43222160 44993560 57668668 59144441 61755424 62053184 64286384 64578992 65931508 68615179 69155456 71989696 72085835 72653440 75631040 77194280 77566480 80357980 80723740 82414385 84287360 86444320 89987120 115337336 118288882 123136787 123510848 124106368 128572768 129157984 131863016 137230358 143979392 144171670 151262080 154388560 155132960 160715960 161447480 164828770 172888640 179974240 230674672 236577764 245091839 246273574 247021696 257145536 258315968 263726032 274460716 288343340 295722205 308777120 310265920 321431920 322894960 329657540 343075895 345777280 359948480 461349344 473155528 490183678 492547148 514291072 516631936 527452064 548921432 576686680 591444410 615683935 617554240 620531840 642863840 645789920 659315080 686151790 719896960 922698688 946311056 980367356 985094296 1005455497 1054904128 1097842864 1153373360 1182888820 1225459195 1231367870 1235108480 1285727680 1291579840 1318630160 1372303580 1845397376 1892622112 1960734712 1970188592 2010910994 2093325379 2109808256 2195685728 2306746720 2365777640 2450918390 2462735740 2571455360 2583159680 2637260320 2744607160 3785244224 3921469424 3940377184 4021821988 4186650758 4391371456 4613493440 4731555280 4901836780 4925471480 5027277485 5274520640 5489214320 7511344007 7570488448 7842938848 7880754368 8043643976 8373301516 8782742912 9226986880 9463110560 9803673560 9850942960 10054554970 10466626895 10549041280 10978428640 15022688014 15685877696 15761508736 16087287952 16746603032 18926221120 19607347120 19701885920 20109109940 20933253790 21956857280 30045376028 31371755392 32174575904 33493206064 37556720035 37852442240 39214694240 39403771840 40218219880 41866507580 43913714560 60090752056 64349151808 66986412128 75113440070 78429388480 78807543680 80436439760 83733015160 120181504112 127692848119 128698303616 133972824256 150226880140 156858776960 160872879520 167466030320 240363008224 255385696238 267945648512 300453760280 321745759040 334932060640 480726016448 510771392476 600907520560 638464240595 643491518080 669864121280 961452032896 1021542784952 1201815041120 1276928481190 1339728242560 2043085569904 2403630082240 2553856962380 4086171139808 4807260164480 5107713924760 8172342279616 10215427849520 16344684559232 20430855699040 40861711398080 81723422796160
• Sum of all divisors σ(n): 212429963612160
• Sum of proper divisors (its aliquot sum) s(n): 130706540816000
• 81723422796160 is an abundant number, because the sum of its proper divisors (130706540816000) is greater than itself. Its abundance is 48983118019840

Bases of 81723422796160

• Binary: 10010100101001110110111100101011110100110000000₂
• Hexadecimal: 0x4A53B795E980
• Base-36: SYV7ZW9Z4

Squares and roots of 81723422796160

• 81723422796160 squared (81723422796160²) is 6678717833519923952910745600
• 81723422796160 cubed (81723422796160³) is 545807681245002480946855645352862416896000
• The square root of 81723422796160 is 9040100.8178095005
• The cube root of 81723422796160 is 43395.9149382881

Scales and comparisons

• 81,723,422,796,160 seconds is equal to 2,598,552 years, 3 weeks, 42 minutes, 40 seconds.
• To count from 1 to 81,723,422,796,160 would take you about six million, four hundred ninety-six thousand, three hundred eighty 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 81723422796160 cubic inches would be around 3616.3 feet tall.

Recreational maths with 81723422796160

• 81723422796160 backwards is 06169722432718
• The number of decimal digits it has is: 14
• The sum of 81723422796160's digits is 58
• More coming soon!