668817491004

Names of 668817491004

• Cardinal: 668817491004 can be written as Six hundred sixty-eight billion, eight hundred seventeen million, four hundred ninety-one thousand and four.

Scientific notation

• Scientific notation: 6.68817491004 × 10¹¹

Factors of 668817491004

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 830

Divisors of 668817491004

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 9 12 13 18 23 26 36 39 46 52 61 67 69 78 92 117 122 134 138 156 183 201 207 234 244 268 276 299 366 402 414 468 529 549 598 603 661 732 793 804 828 871 897 1058 1098 1196 1206 1322 1403 1541 1586 1587 1742 1794 1983 2116 2196 2379 2412 2613 2644 2691 2806 3082 3172 3174 3484 3588 3966 4087 4209 4623 4758 4761 5226 5382 5612 5949 6164 6348 6877 7137 7839 7932 8174 8418 8593 9246 9516 9522 10452 10764 11898 12261 12627 13754 13869 14274 15203 15678 16348 16836 17186 18239 18492 19044 20033 20631 23796 24522 25254 25779 27508 27738 28548 30406 31356 32269 34372 35443 36478 36783 40066 40321 41262 44287 45609 49044 50508 51558 53131 54717 55476 60099 60812 61893 64538 70886 72956 73566 77337 80132 80642 82524 88574 91218 94001 96807 103116 106262 106329 109434 120198 120963 123786 129076 132861 136827 141772 147132 154674 159393 161284 164151 177148 180297 182436 188002 193614 197639 212524 212658 218868 240396 241926 247572 265722 273654 282003 290421 309348 318786 318987 328302 349669 360594 362889 376004 387228 395278 398583 419497 425316 460759 478179 483852 524173 531444 547308 564006 575731 580842 592917 637572 637974 656604 699338 721188 725778 790556 797166 838994 846009 921518 927383 956358 1018601 1048346 1049007 1128012 1151462 1161684 1185834 1222013 1258491 1275948 1382277 1398676 1451556 1572519 1594332 1677988 1692018 1727193 1778751 1843036 1854766 1912716 2037202 2096692 2098014 2162023 2302924 2371668 2444026 2516982 2701507 2764554 2782149 3055803 3145038 3147021 3384036 3454386 3557502 3666039 3709532 3775473 4074404 4146831 4196028 4324046 4545697 4717557 4888052 5033964 5181579 5403014 5529108 5564298 6111606 6290076 6294042 6486069 6908772 7115004 7332078 7550946 8104521 8293662 8346447 8648092 9091394 9167409 9435114 10363158 10806028 10998117 11128596 12055979 12223212 12588084 12972138 13241813 13637091 14664156 15101892 16209042 16587324 16692894 18182788 18334818 18870228 19458207 20726316 21329809 21996234 23427823 24111958 24313563 25944276 26483626 27274182 28106299 32418084 33385788 35119591 36167937 36669636 38916414 39725439 40911273 42659618 43992468 46855646 48223916 48627126 52967252 54548364 56212598 62134661 63989427 70239182 70283469 72335874 77832828 79450878 81822546 84318897 85319236 93711292 97254252 105358773 108503811 112425196 119176317 124269322 127978854 140478364 140566938 144671748 158901756 163645092 168637794 186403983 191968281 210717546 210850407 217007622 238352634 248538644 252956691 255957708 277287517 281133876 304561699 316076319 337275588 372807966 383936562 421435092 421700814 434015244 476705268 505913382 554575034 559211949 609123398 632152638 745615932 767873124 807750593 831862551 843401628 913685097 1011826764 1109150068 1118423898 1218246796 1264305276 1429097203 1615501186 1663725102 1827370194 2236847796 2423251779 2495587653 2741055291 2858194406 3231002372 3327450204 3654740388 4287291609 4846503558 4991175306 5482110582 5716388812 7269755337 8574583218 9693007116 9982350612 10964221164 12861874827 14539510674 17149166436 18578263639 25723749654 29079021348 37156527278 51447499308 55734790917 74313054556 111469581834 167204372751 222939163668 334408745502 668817491004
• Sum of all divisors σ(n): 1966315265824
• Sum of proper divisors (its aliquot sum) s(n): 1297497774820
• 668817491004 is an abundant number, because the sum of its proper divisors (1297497774820) is greater than itself. Its abundance is 628680283816

Bases of 668817491004

• Binary: 1001101110111000101000010000010000111100₂
• Hexadecimal: 0x9BB8A1043C
• Base-36: 8J90NYV0

Squares and roots of 668817491004

• 668817491004 squared (668817491004²) is 447316836272885620928016
• 668817491004 cubed (668817491004³) is 299173324119878419664144295211568064
• The square root of 668817491004 is 817812.6258526459
• The cube root of 668817491004 is 8745.1891529961

Scales and comparisons

• 668,817,491,004 seconds is equal to 21,266 years, 17 weeks, 4 hours, 23 minutes, 24 seconds.
• To count from 1 to 668,817,491,004 would take you about forty-two thousand, five hundred thirty-two 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 668817491004 cubic inches would be around 728.8 feet tall.

Recreational maths with 668817491004

• 668817491004 backwards is 400194718866
• The number of decimal digits it has is: 12
• The sum of 668817491004's digits is 54
• More coming soon!