664825312440

Names of 664825312440

• Cardinal: 664825312440 can be written as Six hundred sixty-four billion, eight hundred twenty-five million, three hundred twelve thousand, four hundred forty.

Scientific notation

• Scientific notation: 6.6482531244 × 10¹¹

Factors of 664825312440

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 141181

Divisors of 664825312440

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 17 18 20 24 27 30 34 36 40 45 51 54 60 68 72 85 90 102 108 120 135 136 153 170 180 204 216 255 257 270 306 340 360 408 459 510 514 540 612 680 765 771 918 1020 1028 1080 1224 1285 1530 1542 1836 2040 2056 2295 2313 2570 3060 3084 3672 3855 4369 4590 4626 5140 6120 6168 6939 7710 8738 9180 9252 10280 11565 13107 13878 15420 17476 18360 18504 21845 23130 26214 27756 30840 34695 34952 39321 43690 46260 52428 55512 65535 69390 78642 87380 92520 104856 117963 131070 138780 140897 157284 174760 196605 235926 262140 277560 281794 314568 393210 422691 471852 524280 563588 589815 704485 786420 845382 943704 1127176 1179630 1268073 1408970 1572840 1690764 2113455 2359260 2395249 2536146 2817940 3381528 3804219 4226910 4718520 4790498 5072292 5635880 6340365 7185747 7608438 8453820 9580996 10144584 11976245 12680730 14371494 15216876 16907640 19021095 19161992 21557241 23952490 25361460 28742988 30433752 35928735 36210529 38042190 43114482 47904980 50722920 57485976 64671723 71857470 72421058 76084380 86228964 95809960 107786205 108631587 129343446 143714940 144842116 152168760 172457928 181052645 215572410 217263174 258686892 287429880 289684232 323358615 325894761 362105290 431144820 434526348 517373784 543157935 615578993 646717230 651789522 724210580 862289640 869052696 977684283 1086315870 1231157986 1293434460 1303579044 1448421160 1629473805 1846736979 1955368566 2172631740 2462315972 2586868920 2607158088 3077894965 3258947610 3693473958 3910737132 4345263480 4888421415 4924631944 5540210937 6155789930 6517895220 7386947916 7821474264 9233684895 9776842830 11080421874 12311579860 13035790440 14773895832 16620632811 18467369790 19553685660 22160843748 24623159720 27701054685 33241265622 36934739580 39107371320 44321687496 55402109370 66482531244 73869479160 83103164055 110804218740 132965062488 166206328110 221608437480 332412656220 664825312440
• Sum of all divisors σ(n): 2355589123200
• Sum of proper divisors (its aliquot sum) s(n): 1690763810760
• 664825312440 is an abundant number, because the sum of its proper divisors (1690763810760) is greater than itself. Its abundance is 1025938498320

Bases of 664825312440

• Binary: 1001101011001010101011010011010010111000₂
• Hexadecimal: 0x9ACAAD34B8
• Base-36: 8HEZTQ60

Squares and roots of 664825312440

• 664825312440 squared (664825312440²) is 441992696060943618753600
• 664825312440 cubed (664825312440³) is 293847932254914798619086363374784000
• The square root of 664825312440 is 815368.2066649399
• The cube root of 664825312440 is 8727.7543757013

Scales and comparisons

• 664,825,312,440 seconds is equal to 21,139 years, 20 weeks, 1 day, 9 hours, 54 minutes.
• To count from 1 to 664,825,312,440 would take you about forty-two thousand, two hundred seventy-eight 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 664825312440 cubic inches would be around 727.3 feet tall.

Recreational maths with 664825312440

• 664825312440 backwards is 044213528466
• 664825312440 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 664825312440's digits is 45
• More coming soon!