681387018312

Names of 681387018312

• Cardinal: 681387018312 can be written as Six hundred eighty-one billion, three hundred eighty-seven million, eighteen thousand, three hundred twelve.

Scientific notation

• Scientific notation: 6.81387018312 × 10¹¹

Factors of 681387018312

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 128

Divisors of 681387018312

• Number of divisors d(n): 1024
• Complete list of divisors:
  1 2 3 4 6 7 8 11 12 13 14 19 21 22 24 26 28 33 38 39 42 44 52 56 57 66 73 76 77 78 84 88 91 104 114 121 132 133 143 146 152 154 156 168 169 182 209 219 228 231 242 247 264 266 273 286 292 308 312 338 363 364 399 418 429 438 456 462 484 494 507 511 532 546 572 584 616 627 676 726 728 741 798 803 836 847 858 876 924 949 968 988 1001 1014 1022 1064 1092 1144 1183 1254 1331 1352 1387 1452 1463 1482 1533 1573 1596 1606 1672 1694 1716 1729 1752 1848 1859 1898 1976 2002 2028 2044 2184 2197 2299 2366 2409 2508 2541 2662 2717 2774 2847 2904 2926 2964 3003 3066 3146 3192 3211 3212 3388 3432 3458 3549 3718 3796 3993 4004 4056 4088 4161 4389 4394 4598 4719 4732 4818 5016 5082 5187 5324 5434 5548 5577 5621 5694 5852 5928 6006 6132 6292 6422 6424 6591 6643 6776 6897 6916 7098 7436 7592 7986 8008 8151 8322 8778 8788 8833 9196 9317 9438 9464 9633 9636 9709 10164 10374 10439 10648 10868 11011 11096 11154 11242 11388 11704 12012 12264 12337 12584 12844 13013 13182 13286 13794 13832 14196 14872 15257 15379 15972 16093 16302 16644 16863 17303 17556 17576 17666 18031 18392 18634 18876 19019 19266 19272 19418 19929 20328 20449 20748 20878 21736 22022 22308 22477 22484 22776 24024 24167 24674 25289 25688 26026 26364 26499 26572 27588 27951 28392 29127 29887 30514 30758 31317 31944 32186 32604 33033 33288 33726 34606 35112 35321 35332 36062 37011 37268 37752 38038 38532 38836 39039 39858 40898 41496 41743 41756 44044 44616 44954 44968 45771 46137 48279 48334 49348 50578 51909 52052 52728 52998 53144 54093 55176 55902 57057 58254 59774 61028 61347 61516 61831 62634 64372 65208 66066 67431 67452 69212 70642 70664 72124 72501 73073 74022 74536 75867 76076 77064 77672 78078 79716 81796 83486 83512 86359 88088 89661 89908 91542 92274 96558 96668 97163 98696 101156 103818 104104 105963 105996 106799 108186 111804 114114 114829 116508 119548 121121 122056 122694 123032 123662 125229 125268 126217 128744 132132 134862 134904 135707 138424 141284 143143 144248 145002 146146 148044 151734 152152 156156 159432 160381 163592 166972 167827 169169 172718 177023 179322 179816 183084 184548 185493 193116 193336 194326 198341 202312 207636 209209 211926 211992 213598 216372 219219 223608 224939 228228 229658 233016 234403 239096 242242 245388 247247 247324 250458 250536 252434 259077 264264 265837 269724 271414 282568 286286 290004 291489 292201 292292 296088 303468 312312 320397 320762 328757 333944 335654 338338 344487 345436 354046 358644 363363 366168 369096 370986 378651 386232 388531 388652 396682 407121 415272 418418 423852 427196 429429 432744 438438 449878 456456 459173 459316 468806 481143 484484 490776 494494 494648 500916 503481 504868 507507 518154 531069 531674 539448 542828 572572 580008 582978 584402 584584 595023 606936 627627 640794 641524 657514 671308 674817 676676 680141 688974 690872 703209 708092 717288 726726 741741 741972 757302 777062 777304 793364 797511 803803 814242 836836 847704 854392 858858 876603 876876 899756 918346 918632 937612 949949 962286 968968 986271 988988 1001832 1006962 1009736 1015014 1036308 1062138 1063348 1085656 1122667 1145144 1165593 1165956 1168804 1174789 1190046 1255254 1263119 1281588 1283048 1315028 1342616 1349634 1353352 1360282 1377519 1377948 1388387 1406418 1416184 1453452 1483482 1483944 1492777 1514604 1554124 1574573 1586728 1595022 1607606 1628484 1640821 1673672 1717716 1753206 1753752 1764191 1799512 1836692 1846097 1860859 1875224 1899898 1924572 1972542 1977976 2013924 2030028 2040423 2072616 2124276 2126696 2181751 2245334 2301299 2331186 2331912 2337608 2349578 2380092 2411409 2510508 2526238 2563176 2578433 2630056 2699268 2719717 2720564 2755038 2755896 2776774 2812836 2849847 2906904 2924207 2966964 2985554 3029208 3047239 3108248 3149146 3190044 3214211 3215212 3256968 3281642 3368001 3435432 3506412 3524367 3528382 3673384 3692194 3721718 3789357 3799796 3849144 3945084 4027848 4060056 4080846 4165161 4248552 4273841 4363502 4478331 4490668 4602598 4662372 4699156 4723719 4760184 4822818 4922463 5021016 5050903 5052476 5156866 5292573 5398536 5439434 5441128 5510076 5538291 5553548 5582577 5625672 5699694 5848414 5933928 5971108 6094478 6298292 6380088 6428422 6430424 6545253 6563284 6736002 6903897 7012824 7048734 7056764 7384388 7443436 7578714 7599592 7735299 7890168 8159151 8161692 8330322 8547682 8727004 8772621 8841833 8956662 8981336 9141717 9205196 9324744 9398312 9447438 9642633 9645636 9844926 10101806 10104952 10313732 10449439 10585146 10878868 11020152 11076582 11107096 11165154 11399388 11696828 11942216 12188956 12349337 12596584 12821523 12856844 12922679 13090506 13126568 13472004 13807794 14097468 14113528 14768776 14886872 15152709 15157428 15272257 15470598 16318302 16323384 16420547 16660644 17095364 17454008 17545242 17683666 17913324 18049031 18283434 18410392 18894876 19285266 19291272 19406101 19689852 20203612 20469449 20627464 20898878 21170292 21330673 21757736 22153164 22330308 22798776 23393656 23999261 24377912 24698674 25643046 25713688 25845358 26181012 26525499 26944008 27615588 28194936 28362763 29916887 30305418 30314856 30544514 30941196 31348317 32636604 32841094 33321288 33519629 34190728 35090484 35356321 35367332 35826648 36098062 36566868 37048011 37789752 38570532 38768037 38812202 39379704 40407224 40938898 41797756 42340584 42661346 44306328 44660616 45816771 47998522 49261641 49397348 51286092 51690716 52362024 53050998 54147093 55231176 55559933 56725526 58218303 59833774 60610836 61089028 61408347 61882392 62696634 63992019 65273208 65682188 67039258 70180968 70712642 70734664 71997783 72196124 73133736 74096022 77141064 77536074 77624404 81877796 83595512 85088289 85322692 89750661 91633542 95997044 98523282 98794696 100558887 102572184 103381432 106068963 106101996 108294186 111119866 113451052 114943829 116436606 119667548 121221672 122178056 122816694 125393268 127984038 131364376 134078516 135842707 141425284 143995566 144392248 148192044 155072148 155248808 163755592 166679799 167994827 170176578 170645384 179501322 183267084 191994088 197046564 198539341 201117774 212137926 212203992 213467111 216588372 222239732 226902104 229887658 232873212 234637403 239335096 245633388 250786536 255968076 268157032 271685414 282850568 287991132 296384088 310144296 311990393 333359598 335989654 340353156 344831487 359002644 366534168 368715919 388919531 394093128 397078682 402235548 407528121 424275852 426934222 433176744 444479464 459775316 465746424 469274806 491266776 503984481 511936152 543370828 575982264 595618023 623980786 640401333 666719196 671979308 680706312 689662974 703912209 718005288 737431838 777839062 794157364 804471096 815056242 848551704 853868444 919550632 935971179 938549612 1007968962 1086741656 1106147757 1166758593 1191236046 1247961572 1280802666 1333438392 1343958616 1379325948 1407824418 1474863676 1494269777 1555678124 1588314728 1630112484 1707736888 1871942358 1877099224 2015937924 2183932751 2212295514 2333517186 2382472092 2495923144 2561605332 2581011433 2758651896 2815648836 2949727352 2988539554 3111356248 3260224968 3743884716 4031875848 4055875109 4367865502 4424591028 4482809331 4667034372 4764944184 5123210664 5162022866 5631297672 5977079108 6551798253 7487769432 7743034299 8111750218 8735731004 8849182056 8965618662 9334068744 10324045732 11954158216 12167625327 13103596506 15486068598 16223500436 17471462008 17931237324 20648091464 24335250654 26207193012 28391125763 30972137196 32447000872 35862474648 48670501308 52414386024 56782251526 61944274392 85173377289 97341002616 113564503052 170346754578 227129006104 340693509156 681387018312
• Sum of all divisors σ(n): 2475260928000
• Sum of proper divisors (its aliquot sum) s(n): 1793873909688
• 681387018312 is an abundant number, because the sum of its proper divisors (1793873909688) is greater than itself. Its abundance is 1112486891376

Bases of 681387018312

• Binary: 1001111010100101110101001100100001001000₂
• Hexadecimal: 0x9EA5D4C848
• Base-36: 8P0W8K7C

Squares and roots of 681387018312

• 681387018312 squared (681387018312²) is 464288268724117823329344
• 681387018312 cubed (681387018312³) is 316359999063167248160957300934947328
• The square root of 681387018312 is 825461.7000878963
• The cube root of 681387018312 is 8799.6341889603

Scales and comparisons

• 681,387,018,312 seconds is equal to 21,665 years, 51 weeks, 6 days, 19 hours, 45 minutes, 12 seconds.
• To count from 1 to 681,387,018,312 would take you about forty-three thousand, three hundred thirty-one 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 681387018312 cubic inches would be around 733.3 feet tall.

Recreational maths with 681387018312

• 681387018312 backwards is 213810783186
• The number of decimal digits it has is: 12
• The sum of 681387018312's digits is 48
• More coming soon!