1809218809728

Names of 1809218809728

• Cardinal: 1809218809728 can be written as One trillion, eight hundred nine billion, two hundred eighteen million, eight hundred nine thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.809218809728 × 10¹²

Factors of 1809218809728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 1770

Divisors of 1809218809728

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 27 31 32 33 36 44 48 54 62 64 66 72 81 88 93 96 99 108 121 124 128 132 144 162 176 186 192 198 216 242 243 248 264 279 288 297 324 341 352 363 372 384 396 432 484 486 496 528 558 576 594 648 682 704 726 729 744 792 837 864 891 968 972 992 1023 1056 1089 1116 1152 1188 1296 1364 1408 1452 1458 1488 1584 1674 1723 1728 1782 1936 1944 1984 2046 2112 2178 2187 2232 2376 2511 2592 2673 2728 2904 2916 2976 3069 3168 3267 3348 3446 3456 3564 3751 3872 3888 3968 4092 4224 4356 4374 4464 4752 5022 5169 5184 5346 5456 5808 5832 5952 6138 6336 6534 6696 6892 7128 7502 7533 7744 7776 8019 8184 8712 8748 8928 9207 9504 9801 10044 10338 10368 10692 10912 11253 11616 11664 11904 12276 12672 13068 13392 13784 14256 15004 15066 15488 15507 15552 16038 16368 17424 17496 17856 18414 18953 19008 19602 20088 20676 21384 21824 22506 22599 23232 23328 24057 24552 26136 26784 27568 27621 28512 29403 30008 30132 31014 31104 32076 32736 33759 34848 34992 35712 36828 37906 38016 39204 40176 41352 42768 43648 45012 45198 46464 46521 46656 48114 49104 52272 53413 53568 55136 55242 56859 57024 58806 60016 60264 62028 64152 65472 67518 67797 69696 69984 73656 75812 78408 80352 82704 82863 85536 88209 90024 90396 93042 93312 96228 98208 101277 104544 106826 107136 110272 110484 113718 114048 117612 120032 120528 124056 128304 130944 135036 135594 139392 139563 139968 147312 151624 156816 160239 160704 165408 165726 170577 171072 176418 180048 180792 186084 192456 196416 202554 208483 209088 213652 220544 220968 227436 235224 240064 241056 248112 248589 256608 264627 270072 271188 279126 279936 294624 303248 303831 313632 320478 321408 330816 331452 341154 342144 352836 360096 361584 372168 384912 392832 405108 416966 418176 418689 427304 441936 454872 470448 480128 480717 482112 496224 497178 511731 513216 529254 540144 542376 558252 587543 589248 606496 607662 625449 627264 640956 661632 662904 682308 705672 720192 723168 744336 745767 769824 810216 833932 837378 854608 883872 909744 911493 940896 961434 964224 992448 994356 1023462 1026432 1058508 1080288 1084752 1116504 1175086 1178496 1212992 1215324 1250898 1254528 1256067 1281912 1325808 1364616 1411344 1440384 1442151 1446336 1488672 1491534 1535193 1539648 1620432 1667864 1674756 1709216 1762629 1767744 1819488 1822986 1876347 1881792 1922868 1984896 1988712 2046924 2117016 2160576 2169504 2233008 2350172 2425984 2430648 2501796 2512134 2563824 2651616 2729232 2734479 2822688 2884302 2892672 2977344 2983068 3070386 3079296 3240864 3335728 3349512 3418432 3525258 3535488 3638976 3645972 3752694 3763584 3768201 3845736 3977424 4093848 4234032 4321152 4326453 4339008 4466016 4605579 4700344 4861296 5003592 5024268 5127648 5287887 5303232 5458464 5468958 5629041 5645376 5768604 5954688 5966136 6140772 6462973 6481728 6671456 6699024 6836864 7050516 7277952 7291944 7505388 7536402 7691472 7954848 8187696 8203437 8468064 8652906 8678016 8932032 9211158 9400688 9722592 10007184 10048536 10255296 10575774 10606464 10916928 10937916 11258082 11290752 11537208 11932272 12281544 12925946 12963456 12979359 13342912 13398048 13816737 14101032 14583888 15010776 15072804 15382944 15863661 15909696 16375392 16406874 16887123 16936128 17305812 17864064 18422316 18801376 19388919 19445184 20014368 20097072 20510592 21151548 21833856 21875832 22516164 23074416 23864544 24563088 25851892 25958718 26685824 26796096 27633474 28202064 29167776 30021552 30145608 30765888 31727322 31819392 32750784 32813748 33774246 33872256 34611624 36844632 37602752 38777838 38890368 38938077 40028736 40194144 41450211 42303096 43751664 45032328 46148832 47590983 47729088 49126176 50661369 51703784 51917436 53592192 55266948 56404128 58166757 58335552 60043104 60291216 61531776 63454644 65501568 65627496 67548492 69223248 73689264 75205504 77555676 77876154 80057472 80388288 82900422 84606192 87503328 90064656 92297664 95181966 95458176 98252352 101322738 103407568 103834872 110533896 112808256 116333514 116671104 116814231 120086208 120582432 126909288 131254992 135096984 138446496 142772949 147378528 151984107 155111352 155752308 160776576 165800844 169212384 174500271 175006656 180129312 184595328 190363932 196504704 202645476 206815136 207669744 221067792 225616512 232667028 233628462 240172416 241164864 253818576 262509984 270193968 276892992 285545898 294757056 303968214 310222704 311504616 331601688 338424768 349000542 350013312 360258624 380727864 405290952 413630272 415339488 428318847 442135584 455952321 465334056 467256924 482329728 507637152 523500813 525019968 540387936 553785984 571091796 589514112 607936428 620445408 623009232 663203376 676849536 698001084 720517248 761455728 810581904 827260544 830678976 856637694 884271168 911904642 930668112 934513848 1015274304 1047001626 1050039936 1080775872 1142183592 1215872856 1240890816 1246018464 1284956541 1326406752 1396002168 1522911456 1570502439 1621163808 1661357952 1713275388 1768542336 1823809284 1861336224 1869027696 2030548608 2094003252 2161551744 2284367184 2431745712 2481781632 2492036928 2569913082 2652813504 2792004336 3045822912 3141004878 3242327616 3426550776 3647618568 3722672448 3738055392 4188006504 4568734368 4711507317 4863491424 4984073856 5139826164 5305627008 5584008672 6091645824 6282009756 6484655232 6853101552 7295237136 7445344896 7476110784 8376013008 9137468736 9423014634 9726982848 10279652328 11168017344 12564019512 13706203104 14134521951 14590474272 14952221568 16752026016 18274937472 18846029268 19453965696 20559304656 22336034688 25128039024 27412406208 28269043902 29180948544 33504052032 37692058536 41118609312 50256078048 54824812416 56538087804 58361897088 67008104064 75384117072 82237218624 100512156096 113076175608 150768234144 164474437248 201024312192 226152351216 301536468288 452304702432 603072936576 904609404864 1809218809728
• Sum of all divisors σ(n): 6136954521600
• Sum of proper divisors (its aliquot sum) s(n): 4327735711872
• 1809218809728 is an abundant number, because the sum of its proper divisors (4327735711872) is greater than itself. Its abundance is 2518516902144

Bases of 1809218809728

• Binary: 11010010100111101110110000010111110000000₂
• Hexadecimal: 0x1A53DD82F80
• Base-36: N3566000

Squares and roots of 1809218809728

• 1809218809728 squared (1809218809728²) is 3273272701473601067433984
• 1809218809728 cubed (1809218809728³) is 5922066540875223594836822795696996352
• The square root of 1809218809728 is 1345072.0462964057
• The cube root of 1809218809728 is 12185.1355508705

Scales and comparisons

• 1,809,218,809,728 seconds is equal to 57,527 years, 29 weeks, 1 day, 12 hours, 28 minutes, 48 seconds.
• To count from 1 to 1,809,218,809,728 would take you about one hundred forty-three thousand, eight hundred eighteen 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 1809218809728 cubic inches would be around 1015.4 feet tall.

Recreational maths with 1809218809728

• 1809218809728 backwards is 8279088129081
• The number of decimal digits it has is: 13
• The sum of 1809218809728's digits is 63
• More coming soon!