81084867290000

Names of 81084867290000

• Cardinal: 81084867290000 can be written as Eighty-one trillion, eighty-four billion, eight hundred sixty-seven million, two hundred ninety thousand.

Scientific notation

• Scientific notation: 8.108486729 × 10¹³

Factors of 81084867290000

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 55

Divisors of 81084867290000

• Number of divisors d(n): 700
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 25 28 35 40 41 49 50 56 70 80 82 98 100 112 125 140 164 175 196 200 205 245 250 280 287 328 343 350 392 400 410 490 500 560 574 625 656 686 700 784 820 875 980 1000 1025 1148 1225 1250 1372 1400 1435 1640 1681 1715 1750 1960 2000 2009 2050 2296 2401 2450 2500 2744 2800 2870 3280 3362 3430 3500 3920 4018 4100 4375 4592 4802 4900 5000 5125 5488 5740 6125 6724 6860 7000 7175 8036 8200 8405 8575 8750 9604 9800 10000 10045 10250 11480 11767 12005 12250 13448 13720 14000 14063 14350 16072 16400 16807 16810 17150 17500 19208 19600 20090 20500 22960 23534 24010 24500 25625 26896 27440 28126 28700 30625 32144 33614 33620 34300 35000 35875 38416 40180 41000 42025 42875 47068 48020 49000 50225 51250 56252 57400 58835 60025 61250 67228 67240 68600 68921 70000 70315 71750 80360 82000 82369 84035 84050 85750 94136 96040 98000 98441 100450 102500 112504 114800 117649 117670 120050 122500 134456 134480 137200 137842 140630 143500 160720 164738 168070 168100 171500 179375 188272 192080 196882 200900 205000 210125 214375 225008 235298 235340 240100 245000 251125 268912 275684 281260 287000 294175 300125 329476 336140 336200 343000 344605 351575 358750 393764 401800 410000 411845 420175 420250 428750 470596 470680 480200 482447 490000 492205 502250 551368 562520 574000 576583 588245 588350 600250 658952 672280 672400 686000 689087 689210 703150 717500 787528 803600 823690 840350 840500 857500 941192 941360 960400 964894 984410 1004500 1050625 1102736 1125040 1153166 1176490 1176700 1200500 1255625 1317904 1344560 1378174 1378420 1406300 1435000 1470875 1500625 1575056 1647380 1680700 1681000 1715000 1723025 1757875 1882384 1929788 1968820 2009000 2059225 2100875 2101250 2306332 2352980 2353400 2401000 2412235 2461025 2511250 2756348 2756840 2812600 2870000 2882915 2941225 2941750 3001250 3294760 3361400 3362000 3377129 3430000 3445435 3446050 3515750 3859576 3937640 4018000 4036081 4118450 4201750 4202500 4612664 4705960 4706800 4802000 4823609 4824470 4922050 5022500 5512696 5513680 5625200 5765830 5882450 5883500 6002500 6589520 6722800 6754258 6890870 6892100 7031500 7354375 7719152 7875280 8072162 8236900 8403500 8405000 8615125 8789375 9225328 9411920 9647218 9648940 9844100 10045000 10296125 10504375 11025392 11531660 11764900 11767000 12005000 12061175 12305125 13508516 13781740 13784200 14063000 14414575 14706125 14708750 16144324 16473800 16807000 16810000 16885645 17227175 17230250 17578750 19294436 19297880 19688200 20090000 20180405 20592250 21008750 23063320 23529800 23534000 23639903 24010000 24118045 24122350 24610250 27017032 27563480 27568400 28126000 28252567 28829150 29412250 29417500 32288648 32947600 33614000 33771290 34454350 34460500 35157500 38588872 38595760 39376400 40360810 41184500 42017500 43075625 46126640 47059600 47279806 48236090 48244700 49220500 51480625 54034064 55126960 56505134 57658300 58824500 58835000 60305875 61525625 64577296 67542580 68908700 68921000 70315000 72072875 73530625 77177744 80721620 82369000 84035000 84428225 86135875 86151250 94559612 96472180 96489400 98441000 100902025 102961250 113010268 115316600 117649000 117670000 118199515 120590225 120611750 123051250 135085160 137817400 137842000 140630000 141262835 144145750 147061250 161443240 164738000 165479321 168070000 168856450 172271750 172302500 189119224 192944360 192978800 196882000 197767969 201804050 205922500 226020536 230633200 235298000 236399030 241180450 241223500 246102500 270170320 275634800 282525670 288291500 294122500 301529375 322886480 330958642 337712900 344543500 344605000 360364375 378238448 385888720 395535938 403608100 411845000 422141125 430679375 452041072 472798060 482360900 482447000 492205000 504510125 565051340 576583000 588245000 590997575 602951125 603058750 661917284 675425800 689087000 689210000 706314175 720728750 791071876 807216200 823690000 827396605 844282250 861358750 945596120 964721800 964894000 984410000 988839845 1009020250 1130102680 1153166000 1158355247 1176490000 1181995150 1205902250 1206117500 1323834568 1350851600 1378174000 1412628350 1441457500 1582143752 1614432400 1654793210 1688564500 1722717500 1891192240 1929443600 1977679690 2018040500 2110705625 2260205360 2316710494 2363990300 2411804500 2412235000 2522550625 2647669136 2825256700 2882915000 2954987875 3014755625 3164287504 3309586420 3377129000 3445435000 3531570875 3955359380 4036081000 4136983025 4221411250 4633420988 4727980600 4823609000 4824470000 4944199225 5045101250 5650513400 5765830000 5791776235 5909975750 6029511250 6619172840 6754258000 6890870000 7063141750 7910718760 8072162000 8108486729 8273966050 8442822500 9266841976 9455961200 9647218000 9888398450 10090202500 11301026800 11583552470 11819951500 12059022500 13238345680 14126283500 14774939375 15821437520 16216973458 16547932100 16885645000 17657854375 18533683952 19776796900 20180405000 20684915125 23167104940 23639903000 24118045000 24720996125 28252567000 28958881175 29549878750 32433946916 33095864200 33771290000 35315708750 39553593800 40360810000 40542433645 41369830250 46334209880 47279806000 48236090000 49441992250 56505134000 57917762350 59099757500 64867893832 66191728400 70631417500 79107187600 81084867290 82739660500 92668419760 98883984500 103424575625 115835524700 118199515000 123604980625 129735787664 141262835000 144794405875 162169734580 165479321000 197767969000 202712168225 206849151250 231671049400 236399030000 247209961250 282525670000 289588811750 324339469160 330958642000 395535938000 405424336450 413698302500 463342098800 494419922500 579177623500 648678938320 723972029375 810848672900 827396605000 988839845000 1013560841125 1158355247000 1447944058750 1621697345800 1654793210000 1977679690000 2027121682250 2316710494000 2895888117500 3243394691600 4054243364500 5067804205625 5791776235000 8108486729000 10135608411250 11583552470000 16216973458000 20271216822500 40542433645000 81084867290000
• Sum of all divisors σ(n): 234759141112188
• Sum of proper divisors (its aliquot sum) s(n): 153674273822188
• 81084867290000 is an abundant number, because the sum of its proper divisors (153674273822188) is greater than itself. Its abundance is 72589406532188

Bases of 81084867290000

• Binary: 10010011011111100001010101101100010001110010000₂
• Hexadecimal: 0x49BF0AB62390
• Base-36: SQPVGFO28

Squares and roots of 81084867290000

• 81084867290000 squared (81084867290000²) is 6574755703436911944100000000
• 81084867290000 cubed (81084867290000³) is 533113193677352601874764398489000000000000
• The square root of 81084867290000 is 9004713.6151018151
• The cube root of 81084867290000 is 43282.5929227405

Scales and comparisons

• 81,084,867,290,000 seconds is equal to 2,578,247 years, 50 weeks, 2 days, 7 hours, 13 minutes, 20 seconds.
• To count from 1 to 81,084,867,290,000 would take you about six million, four hundred forty-five thousand, six hundred nineteen 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 81084867290000 cubic inches would be around 3606.9 feet tall.

Recreational maths with 81084867290000

• 81084867290000 backwards is 00009276848018
• The number of decimal digits it has is: 14
• The sum of 81084867290000's digits is 53
• More coming soon!