81996711145200

Names of 81996711145200

• Cardinal: 81996711145200 can be written as Eighty-one trillion, nine hundred ninety-six billion, seven hundred eleven million, one hundred forty-five thousand, two hundred.

Scientific notation

• Scientific notation: 8.19967111452 × 10¹³

Factors of 81996711145200

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 7480

Divisors of 81996711145200

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 27 30 36 40 45 48 50 54 60 72 75 80 90 100 101 108 120 135 144 150 180 200 202 216 225 240 270 300 303 360 400 404 432 450 505 540 600 606 675 720 808 900 909 1010 1080 1200 1212 1350 1515 1616 1800 1818 2020 2160 2424 2525 2700 2727 3030 3600 3636 4040 4545 4848 5050 5400 5454 6060 7272 7369 7575 8080 9090 10100 10201 10800 10908 12120 13635 14544 14738 15150 18180 20200 20402 21816 22107 22725 24240 27270 29476 30300 30603 36360 36845 40400 40804 43632 44214 45450 51005 54540 58952 60600 61206 66321 68175 72720 73690 81608 88428 90900 91809 102010 109080 110535 117904 121200 122412 132642 136350 147380 153015 163216 176856 181800 183618 184225 198963 204020 218160 221070 244824 255025 265284 272700 275427 294760 306030 331605 353712 363600 367236 368450 397926 408040 442140 459045 489648 510050 530568 545400 550854 552675 589520 612060 663210 734472 736900 744269 765075 795852 816080 884280 918090 994815 1020100 1030301 1061136 1090800 1101708 1105350 1224120 1326420 1377135 1468944 1473800 1488538 1530150 1591704 1658025 1768560 1836180 1989630 2040200 2060602 2203416 2210700 2232807 2295225 2448240 2652840 2754270 2947600 2977076 3060300 3090903 3183408 3316050 3672360 3721345 3979260 4080400 4121204 4406832 4421400 4465614 4590450 4974075 5151505 5305680 5508540 5954152 6120600 6181806 6632100 6698421 6885675 7344720 7442690 7958520 8242408 8842800 8931228 9180900 9272709 9948150 10303010 11017080 11164035 11908304 12241200 12363612 13264200 13396842 13771350 14885380 15454515 15917040 16484816 17862456 18361800 18545418 18606725 19896300 20095263 20606020 22034160 22328070 24727224 25757525 26528400 26793684 27542700 27818127 29770760 30909030 33492105 35724912 36723600 37090836 37213450 39792600 40190526 41212040 44656140 46363545 49454448 51515050 53587368 55085400 55636254 55820175 59541520 61818060 66984210 74181672 74426900 75171169 77272575 79585200 80381052 82424080 89312280 92727090 100476315 103030100 107174736 110170800 111272508 111640350 123636120 133968420 139090635 148363344 148853800 150342338 154545150 160762104 167460525 178624560 185454180 200952630 206060200 222545016 223280700 225513507 231817725 247272240 267936840 278181270 297707600 300684676 309090300 321524208 334921050 370908360 375855845 401905260 412120400 445090032 446561400 451027014 463635450 502381575 535873680 556362540 601369352 618180600 669842100 676540521 695453175 741816720 751711690 803810520 893122800 902054028 927270900 1004763150 1112725080 1127567535 1202738704 1236361200 1339684200 1353081042 1390906350 1503423380 1607621040 1804108056 1854541800 1879279225 2009526300 2029621563 2225450160 2255135070 2679368400 2706162084 2781812700 3006846760 3382702605 3608216112 3709083600 3758558450 4019052600 4059243126 4510270140 5412324168 5563625400 5637837675 6013693520 6765405210 7517116900 7592288069 8038105200 8118486252 9020540280 10148107815 10824648336 11127250800 11275675350 13530810420 15034233800 15184576138 16236972504 16913513025 18041080560 20296215630 22551350700 22776864207 27061620840 30068467600 30369152276 32473945008 33827026050 37961440345 40592431260 45102701400 45553728414 50740539075 54123241680 60738304552 67654052100 68330592621 75922880690 81184862520 90205402800 91107456828 101481078150 113884321035 121476609104 135308104200 136661185242 151845761380 162369725040 182214913656 189807201725 202962156300 204991777863 227768642070 270616208400 273322370484 303691522760 341652963105 364429827312 379614403450 405924312600 409983555726 455537284140 546644740968 569421605175 607383045520 683305926210 759228806900 811848625200 819967111452 911074568280 1024958889315 1093289481936 1138843210350 1366611852420 1518457613800 1639934222904 1708264815525 1822149136560 2049917778630 2277686420700 2733223704840 3036915227600 3279868445808 3416529631050 4099835557260 4555372841400 5124794446575 5466447409680 6833059262100 8199671114520 9110745682800 10249588893150 13666118524200 16399342229040 20499177786300 27332237048400 40998355572600 81996711145200
• Sum of all divisors σ(n): 294806026891200
• Sum of proper divisors (its aliquot sum) s(n): 212809315746000
• 81996711145200 is an abundant number, because the sum of its proper divisors (212809315746000) is greater than itself. Its abundance is 130812604600800

Bases of 81996711145200

• Binary: 10010101001001101011000110101110010111011110000₂
• Hexadecimal: 0x4A9358D72EF0
• Base-36: T2CROQ1O0

Squares and roots of 81996711145200

• 81996711145200 squared (81996711145200²) is 6723460638629365895483040000
• 81996711145200 cubed (81996711145200³) is 551301659881814036174162964305577408000000
• The square root of 81996711145200 is 9055203.5396892101
• The cube root of 81996711145200 is 43444.2340219211

Scales and comparisons

• 81,996,711,145,200 seconds is equal to 2,607,241 years, 40 weeks, 4 days, 15 hours.
• To count from 1 to 81,996,711,145,200 would take you about six million, five hundred eighteen thousand, one hundred four 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 81996711145200 cubic inches would be around 3620.4 feet tall.

Recreational maths with 81996711145200

• 81996711145200 backwards is 00254111769918
• 81996711145200 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 81996711145200's digits is 54
• More coming soon!