81325211616000

Names of 81325211616000

• Cardinal: 81325211616000 can be written as Eighty-one trillion, three hundred twenty-five billion, two hundred eleven million, six hundred sixteen thousand.

Scientific notation

• Scientific notation: 8.1325211616 × 10¹³

Factors of 81325211616000

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 14283

Divisors of 81325211616000

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 25 30 32 33 36 40 44 45 48 50 55 60 64 66 72 75 80 88 90 96 99 100 110 120 125 128 132 144 150 160 165 176 180 192 198 200 220 225 240 250 256 264 275 288 300 320 330 352 360 375 384 396 400 440 450 480 495 500 528 550 576 600 640 660 704 720 750 768 792 800 825 880 900 960 990 1000 1056 1100 1125 1152 1200 1280 1320 1375 1408 1440 1500 1584 1600 1650 1760 1800 1920 1980 2000 2112 2113 2200 2250 2304 2400 2475 2640 2750 2816 2880 3000 3168 3200 3300 3520 3600 3840 3960 4000 4125 4224 4226 4400 4500 4800 4950 5280 5500 5760 6000 6336 6339 6400 6600 7040 7200 7920 8000 8250 8448 8452 8800 9000 9600 9900 10560 10565 11000 11520 12000 12149 12375 12672 12678 13200 14080 14400 15840 16000 16500 16904 17600 18000 19017 19200 19800 21120 21130 22000 23243 24000 24298 24750 25344 25356 26400 28800 31680 31695 32000 33000 33808 35200 36000 36447 38034 39600 42240 42260 44000 46486 48000 48596 49500 50712 52800 52825 57600 60745 63360 63390 66000 67616 69729 70400 72000 72894 76068 79200 84520 88000 92972 95085 96000 97192 99000 101424 105600 105650 109341 116215 121490 126720 126780 132000 133639 135232 139458 144000 145788 152136 158400 158475 169040 176000 182235 185944 190170 194384 198000 202848 209187 211200 211300 218682 232430 242980 253560 264000 264125 267278 270464 278916 288000 291576 303725 304272 316800 316950 338080 348645 352000 364470 371888 380340 388768 396000 400917 405696 418374 422600 437364 464860 475425 485960 507120 528000 528250 534556 540928 546705 557832 581075 583152 607450 608544 633600 633900 668195 676160 697290 728940 743776 760680 777536 792000 792375 801834 811392 836748 845200 874728 911175 929720 950850 971920 1014240 1045935 1056000 1056500 1069112 1093410 1115664 1162150 1166304 1202751 1214900 1217088 1267800 1336390 1352320 1394580 1457880 1487552 1518625 1521360 1555072 1584000 1584750 1603668 1622784 1673496 1690400 1743225 1749456 1822350 1859440 1901700 1943840 2004585 2028480 2091870 2113000 2138224 2186820 2231328 2324300 2332608 2377125 2405502 2429800 2434176 2535600 2672780 2704640 2733525 2789160 2905375 2915760 2975104 3037250 3042720 3110144 3168000 3169500 3207336 3340975 3346992 3380800 3486450 3498912 3644700 3718880 3803400 3887680 4009170 4056960 4183740 4226000 4276448 4373640 4462656 4555875 4648600 4665216 4754250 4811004 4859600 4868352 5071200 5229675 5345560 5467050 5578320 5810750 5831520 5950208 6013755 6074500 6085440 6339000 6414672 6681950 6693984 6761600 6972900 6997824 7289400 7437760 7606800 7775360 8018340 8113920 8367480 8452000 8552896 8716125 8747280 8925312 9111750 9297200 9330432 9508500 9622008 9719200 10022925 10142400 10459350 10691120 10934100 11156640 11621500 11663040 12027510 12149000 12170880 12678000 12829344 13363900 13387968 13523200 13667625 13945800 13995648 14578800 14875520 15213600 15550720 16036680 16704875 16734960 16904000 17105792 17432250 17494560 17850624 18223500 18594400 19017000 19244016 19438400 20045850 20284800 20918700 21382240 21868200 22313280 23243000 23326080 24055020 24298000 24341760 25356000 25658688 25670837 26148375 26727800 26775936 27335250 27891600 27991296 29157600 29751040 30068775 30427200 32073360 33409750 33469920 33808000 34211584 34864500 34989120 36447000 37188800 38034000 38488032 38876800 40091700 40569600 41837400 42764480 43736400 44626560 46486000 46652160 48110040 48596000 50114625 50712000 51317376 51341674 52296750 53455600 53551872 54670500 55783200 58315200 60137550 60854400 64146720 66819500 66939840 67616000 69729000 69978240 72894000 74377600 76068000 76976064 77012511 77753600 80183400 83674800 85528960 87472800 89253120 92972000 96220080 97192000 100229250 101424000 102634752 102683348 104593500 106911200 109341000 111566400 116630400 120275100 121708800 128293440 128354185 133639000 133879680 139458000 139956480 145788000 148755200 150343875 152136000 153952128 154025022 160366800 167349600 171057920 174945600 185944000 192440160 194384000 200458500 202848000 205366696 209187000 213822400 218682000 223132800 231037533 233260800 240550200 256586880 256708370 267278000 267759360 278916000 282379207 291576000 300687750 304272000 307904256 308050044 320733600 334699200 349891200 371888000 384880320 385062555 388768000 400917000 410733392 418374000 427644800 437364000 446265600 462075066 481100400 513173760 513416740 534556000 557832000 564758414 583152000 601375500 608544000 616100088 641467200 641770925 669398400 699782400 743776000 769760640 770125110 801834000 821466784 836748000 847137621 855289600 874728000 924150132 962200800 1026833480 1069112000 1115664000 1129516828 1155187665 1166304000 1202751000 1232200176 1282934400 1283541850 1338796800 1411896035 1539521280 1540250220 1603668000 1642933568 1673496000 1694275242 1749456000 1848300264 1924401600 1925312775 2053666960 2138224000 2231328000 2259033656 2310375330 2405502000 2464400352 2541412863 2565868800 2567083700 2823792070 3080500440 3207336000 3208854625 3285867136 3346992000 3388550484 3498912000 3696600528 3848803200 3850625550 4107333920 4235688105 4276448000 4518067312 4620750660 4811004000 4928800704 5082825726 5134167400 5647584140 5775938325 6161000880 6414672000 6417709250 6571734272 6693984000 6777100968 7059480175 7393201056 7697606400 7701251100 8214667840 8471376210 9036134624 9241501320 9622008000 9626563875 9857601408 10165651452 10268334800 11295168280 11551876650 12322001760 12707064315 12829344000 12835418500 13554201936 14118960350 14786402112 15402502200 16429335680 16942752420 18072269248 18483002640 19244016000 19253127750 19715202816 20331302904 20536669600 21178440525 22590336560 23103753300 24644003520 25414128630 25670837000 27108403872 28237920700 28879691625 29572804224 30805004400 32858671360 33885504840 35297400875 36144538496 36966005280 38488032000 38506255500 40662605808 41073339200 42356881050 45180673120 46207506600 49288007040 50828257260 51341674000 54216807744 56475841400 57759383250 59145608448 61610008800 63535321575 67771009680 70594801750 72289076992 73932010560 77012511000 81325211616 82146678400 84713762100 90361346240 92415013200 98576014080 101656514520 102683348000 105892202625 108433615488 112951682800 115518766500 123220017600 127070643150 135542019360 141189603500 147864021120 154025022000 162650423232 164293356800 169427524200 180722692480 184830026400 203313029040 205366696000 211784405250 216867230976 225903365600 231037533000 246440035200 254141286300 271084038720 282379207000 295728042240 308050044000 317676607875 325300846464 338855048400 361445384960 369660052800 406626058080 410733392000 423568810500 451806731200 462075066000 492880070400 508282572600 542168077440 564758414000 616100088000 635353215750 650601692928 677710096800 739320105600 813252116160 821466784000 847137621000 903613462400 924150132000 1016565145200 1084336154880 1129516828000 1232200176000 1270706431500 1355420193600 1478640211200 1626504232320 1694275242000 1807226924800 1848300264000 2033130290400 2259033656000 2464400352000 2541412863000 2710840387200 3253008464640 3388550484000 3696600528000 4066260580800 4518067312000 5082825726000 5421680774400 6777100968000 7393201056000 8132521161600 9036134624000 10165651452000 13554201936000 16265042323200 20331302904000 27108403872000 40662605808000 81325211616000
• Sum of all divisors σ(n): 319412095329600
• Sum of proper divisors (its aliquot sum) s(n): 238086883713600
• 81325211616000 is an abundant number, because the sum of its proper divisors (238086883713600) is greater than itself. Its abundance is 156761672097600

Bases of 81325211616000

• Binary: 10010011111011100000000010110011000001100000000₂
• Hexadecimal: 0x49F700598300
• Base-36: STSAB8OW0

Squares and roots of 81325211616000

• 81325211616000 squared (81325211616000²) is 6613790044387181331456000000
• 81325211616000 cubed (81325211616000³) is 537867874943581554818423837392896000000000
• The square root of 81325211616000 is 9018049.2134385693
• The cube root of 81325211616000 is 43325.3155029813

Scales and comparisons

• 81,325,211,616,000 seconds is equal to 2,585,890 years, 9 weeks, 8 hours.
• To count from 1 to 81,325,211,616,000 would take you about six million, four hundred sixty-four thousand, seven hundred twenty-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 81325211616000 cubic inches would be around 3610.4 feet tall.

Recreational maths with 81325211616000

• 81325211616000 backwards is 00061611252318
• 81325211616000 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 81325211616000's digits is 36
• More coming soon!