664464986640

Names of 664464986640

• Cardinal: 664464986640 can be written as Six hundred sixty-four billion, four hundred sixty-four million, nine hundred eighty-six thousand, six hundred forty.

Scientific notation

• Scientific notation: 6.6446498664 × 10¹¹

Factors of 664464986640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1126853

Divisors of 664464986640

• Number of divisors d(n): 400
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 18 20 21 24 26 27 28 30 35 36 39 40 42 45 48 52 54 56 60 63 65 70 72 78 80 81 84 90 91 104 105 108 112 117 120 126 130 135 140 144 156 162 168 180 182 189 195 208 210 216 234 240 252 260 270 273 280 312 315 324 336 351 360 364 378 390 405 420 432 455 468 504 520 540 546 560 567 585 624 630 648 702 720 728 756 780 810 819 840 910 936 945 1008 1040 1053 1080 1092 1134 1170 1260 1296 1365 1404 1456 1512 1560 1620 1638 1680 1755 1820 1872 1890 2106 2160 2184 2268 2340 2457 2520 2730 2808 2835 3024 3120 3240 3276 3510 3640 3780 4095 4212 4368 4536 4680 4914 5040 5265 5460 5616 5670 6480 6552 7020 7280 7371 7560 8190 8424 9072 9360 9828 10530 10920 11340 12285 13104 14040 14742 15120 16380 16848 19656 21060 21840 22680 24570 28080 29484 32760 36855 39312 42120 45360 49140 58968 65520 73710 84240 98280 117936 147420 196560 294840 589680 1126823 2253646 3380469 4507292 5634115 6760938 7887761 9014584 10141407 11268230 13521876 14648699 15775522 16902345 18029168 20282814 22536460 23663283 27043752 29297398 30424221 31551044 33804690 39438805 40565628 43946097 45072920 47326566 50707035 54087504 58594796 60848442 63102088 67609380 70989849 73243495 78877610 81131256 87892194 90145840 91272663 94653132 101414070 102540893 117189592 118316415 121696884 126204176 131838291 135218760 141979698 146486990 152121105 157755220 162262512 175784388 182545326 189306264 202828140 205081786 212969547 219730485 234379184 236632830 243393768 263676582 270437520 283959396 292973980 304242210 307622679 315510440 351568776 354949245 365090652 378612528 395514873 405656280 410163572 425939094 439460970 456363315 473265660 486787536 512704465 527353164 567918792 585947960 608484420 615245358 631020880 638908641 659191455 703137552 709898490 730181304 791029746 811312560 820327144 851878188 878921940 912726630 922868037 946531320 1025408930 1054706328 1064847735 1135837584 1171895920 1186544619 1216968840 1230490716 1277817282 1318382910 1419796980 1460362608 1538113395 1582059492 1640654288 1703756376 1757843880 1825453260 1845736074 1893062640 1977574365 2050817860 2109412656 2129695470 2373089238 2433937680 2460981432 2555634564 2636765820 2768604111 2839593960 3076226790 3164118984 3194543205 3407512752 3515687760 3650906520 3691472148 3955148730 4101635720 4259390940 4614340185 4746178476 4921962864 5111269128 5273531640 5537208222 5679187920 5932723095 6152453580 6328237968 6389086410 7301813040 7382944296 7910297460 8203271440 8305812333 8518781880 9228680370 9492356952 10222538256 10547063280 11074416444 11865446190 12304907160 12778172820 13843020555 14765888592 15820594920 16611624666 17037563760 18457360740 18984713904 22148832888 23730892380 24609814320 25556345640 27686041110 31641189840 33223249332 36914721480 41529061665 44297665776 47461784760 51112691280 55372082220 66446498664 73829442960 83058123330 94923569520 110744164440 132892997328 166116246660 221488328880 332232493320 664464986640
• Sum of all divisors σ(n): 2840353705728
• Sum of proper divisors (its aliquot sum) s(n): 2175888719088
• 664464986640 is an abundant number, because the sum of its proper divisors (2175888719088) is greater than itself. Its abundance is 1511423732448

Bases of 664464986640

• Binary: 1001101010110101001100110001001000010000₂
• Hexadecimal: 0x9AB5331210
• Base-36: 8H91AP00

Squares and roots of 664464986640

• 664464986640 squared (664464986640²) is 441513718470495378489600
• 664464986640 cubed (664464986640³) is 293370407044874432902273807378944000
• The square root of 664464986640 is 815147.2177711213
• The cube root of 664464986640 is 8726.1773181187

Scales and comparisons

• 664,464,986,640 seconds is equal to 21,127 years, 48 weeks, 2 days, 23 hours, 24 minutes.
• To count from 1 to 664,464,986,640 would take you about forty-two thousand, two hundred fifty-five 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 664464986640 cubic inches would be around 727.2 feet tall.

Recreational maths with 664464986640

• 664464986640 backwards is 046689464466
• 664464986640 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 664464986640's digits is 63
• More coming soon!