64640959740

Names of 64640959740

• Cardinal: 64640959740 can be written as Sixty-four billion, six hundred forty million, nine hundred fifty-nine thousand, seven hundred forty.

Scientific notation

• Scientific notation: 6.464095974 × 10¹⁰

Factors of 64640959740

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 538

Divisors of 64640959740

• Number of divisors d(n): 324
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 42 45 49 54 60 63 70 81 84 90 98 105 108 126 135 140 147 162 180 189 196 210 243 245 252 270 294 315 324 378 405 420 441 486 490 521 540 567 588 630 735 756 810 882 945 972 980 1042 1134 1215 1260 1323 1470 1563 1620 1701 1764 1890 2084 2205 2268 2430 2605 2646 2835 2940 3126 3402 3647 3780 3969 4410 4689 4860 5210 5292 5670 6252 6615 6804 7294 7815 7938 8505 8820 9378 10420 10941 11340 11907 13230 14067 14588 15630 15876 17010 18235 18756 19845 21882 23445 23814 25529 26460 28134 31260 32823 34020 36470 39690 42201 43764 46890 47628 51058 54705 56268 59535 65646 70335 72940 76587 79380 84402 93780 98469 102116 109410 119070 126603 127645 131292 140670 153174 164115 168804 196938 211005 218820 229761 238140 253206 255290 271441 281340 295407 306348 328230 382935 393876 422010 459522 492345 506412 510580 542882 590814 633015 656460 689283 765870 814323 844020 886221 919044 984690 1085764 1148805 1181628 1266030 1357205 1378566 1477035 1531740 1628646 1772442 1900087 1969380 2067849 2297610 2442969 2532060 2714410 2757132 2954070 3257292 3446415 3544884 3800174 4071615 4135698 4431105 4595220 4885938 5428820 5700261 5908140 6203547 6892830 7328907 7600348 8143230 8271396 8862210 9500435 9771876 10339245 11400522 12214845 12407094 13300609 13785660 14657814 16286460 17100783 17724420 19000870 20678490 21986721 22801044 24429690 24814188 26601218 28501305 29315628 31017735 34201566 36644535 38001740 39901827 41356980 43973442 48859380 51302349 53202436 57002610 62035470 65960163 66503045 68403132 73289070 79803654 85503915 87946884 102604698 109933605 114005220 119705481 124070940 131920326 133006090 146578140 153907047 159607308 171007830 199509135 205209396 219867210 239410962 256511745 263840652 266012180 307814094 329800815 342015660 359116443 399018270 439734420 461721141 478821924 513023490 598527405 615628188 659601630 718232886 769535235 798036540 923442282 1026046980 1077349329 1197054810 1319203260 1436465772 1539070470 1795582215 1846884564 2154698658 2308605705 2394109620 3078140940 3232047987 3591164430 4309397316 4617211410 5386746645 6464095974 7182328860 9234422820 10773493290 12928191948 16160239935 21546986580 32320479870 64640959740
• Sum of all divisors σ(n): 236992909608
• Sum of proper divisors (its aliquot sum) s(n): 172351949868
• 64640959740 is an abundant number, because the sum of its proper divisors (172351949868) is greater than itself. Its abundance is 107710990128

Bases of 64640959740

• Binary: 111100001100111001101100010011111100₂
• Hexadecimal: 0xF0CE6C4FC
• Base-36: TP1K3R0

Squares and roots of 64640959740

• 64640959740 squared (64640959740²) is 4178453676108300867600
• 64640959740 cubed (64640959740³) is 270099255852771676262338670424000
• The square root of 64640959740 is 254245.8647451323
• The cube root of 64640959740 is 4013.3089964571

Scales and comparisons

• 64,640,959,740 seconds is equal to 2,055 years, 19 weeks, 6 days, 6 hours, 9 minutes.
• To count from 1 to 64,640,959,740 would take you about four thousand, one hundred ten 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 64640959740 cubic inches would be around 334.4 feet tall.

Recreational maths with 64640959740

• 64640959740 backwards is 04795904646
• 64640959740 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 64640959740's digits is 54
• More coming soon!