668406176816

Names of 668406176816

• Cardinal: 668406176816 can be written as Six hundred sixty-eight billion, four hundred six million, one hundred seventy-six thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 6.68406176816 × 10¹¹

Factors of 668406176816

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 376

Divisors of 668406176816

• Number of divisors d(n): 270
• Complete list of divisors:
  1 2 4 7 8 14 16 19 28 38 49 56 76 97 98 112 133 152 194 196 251 266 304 361 388 392 502 532 679 722 776 784 931 1004 1064 1358 1444 1552 1757 1843 1862 2008 2128 2527 2716 2888 3514 3686 3724 4016 4753 4769 5054 5432 5776 7028 7372 7448 9409 9506 9538 10108 10864 12299 12901 14056 14744 14896 17689 18818 19012 19076 20216 24347 24598 25802 28112 29488 33383 35017 35378 37636 38024 38152 40432 48694 49196 51604 65863 66766 70034 70756 75272 76048 76304 90307 90611 97388 98392 103208 131726 133532 140068 141512 150544 170429 178771 180614 181222 194776 196784 206416 233681 245119 263452 267064 280136 283024 340858 357542 361228 362444 389552 461041 462593 467362 490238 526904 534128 560272 634277 681716 715084 722456 724888 922082 925186 934724 980476 1053808 1193003 1251397 1268554 1363432 1430168 1444912 1449776 1715833 1844164 1850372 1869448 1960952 2361659 2386006 2502794 2537108 2726864 2860336 3238151 3396649 3431666 3688328 3700744 3738896 3921904 4439939 4723318 4772012 5005588 5074216 6476302 6793298 6863332 7376656 7401488 8759779 8789267 8879878 9446636 9544024 10011176 10148432 12952604 13586596 13726664 16531613 17519558 17578534 17759756 18893272 19088048 20022352 22667057 23776543 25905208 27173192 27453328 33063226 35039116 35157068 35519512 37786544 44871521 45334114 47553086 51810416 54346384 61524869 66126452 70078232 70314136 71039024 89743042 90668228 95106172 115721291 123049738 132252904 140156464 140628272 166435801 179486084 181336456 190212344 231442582 246099476 264505808 314100647 332871602 358972168 362672912 380424688 430674083 462885164 492198952 628201294 665743204 717944336 852558899 861348166 925770328 984397904 1256402588 1331486408 1705117798 1722696332 1851540656 2198704529 2512805176 2662972816 3410235596 3445392664 4397409058 5025610352 5967912293 6820471192 6890785328 8794818116 11935824586 13640942384 17589636232 23871649172 35179272464 41775386051 47743298344 83550772102 95486596688 167101544204 334203088408 668406176816
• Sum of all divisors σ(n): 1612893010428
• Sum of proper divisors (its aliquot sum) s(n): 944486833612
• 668406176816 is an abundant number, because the sum of its proper divisors (944486833612) is greater than itself. Its abundance is 276080656796

Bases of 668406176816

• Binary: 1001101110100000000111001101110000110000₂
• Hexadecimal: 0x9BA01CDC30
• Base-36: 8J27S2SW

Squares and roots of 668406176816

• 668406176816 squared (668406176816²) is 446766817205781855897856
• 668406176816 cubed (668406176816³) is 298621700216769378230786969971306496
• The square root of 668406176816 is 817561.1150342217
• The cube root of 668406176816 is 8743.3960589411

Scales and comparisons

• 668,406,176,816 seconds is equal to 21,253 years, 12 weeks, 6 days, 14 hours, 26 minutes, 56 seconds.
• To count from 1 to 668,406,176,816 would take you about forty-two thousand, five hundred six 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 668406176816 cubic inches would be around 728.6 feet tall.

Recreational maths with 668406176816

• 668406176816 backwards is 618671604866
• The number of decimal digits it has is: 12
• The sum of 668406176816's digits is 59
• More coming soon!