64489848640

Names of 64489848640

• Cardinal: 64489848640 can be written as Sixty-four billion, four hundred eighty-nine million, eight hundred forty-eight thousand, six hundred forty.

Scientific notation

• Scientific notation: 6.448984864 × 10¹⁰

Factors of 64489848640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 11426

Divisors of 64489848640

• Number of divisors d(n): 252
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 19 20 28 32 35 38 40 49 56 64 70 76 80 95 98 112 133 140 152 160 190 196 224 245 266 280 304 320 361 380 392 448 490 532 560 608 665 722 760 784 931 980 1064 1120 1216 1330 1444 1520 1568 1805 1862 1960 2128 2240 2527 2660 2888 3040 3136 3610 3724 3920 4256 4655 5054 5320 5776 6080 7220 7448 7840 8512 9310 10108 10640 11393 11552 12635 14440 14896 15680 17689 18620 20216 21280 22786 23104 25270 28880 29792 35378 37240 40432 42560 45572 50540 56965 57760 59584 70756 74480 79751 80864 88445 91144 101080 113930 115520 141512 148960 159502 161728 176890 182288 202160 216467 227860 283024 297920 319004 353780 364576 398755 404320 432934 455720 558257 566048 638008 707560 729152 797510 808640 865868 911440 1082335 1116514 1132096 1276016 1415120 1515269 1595020 1731736 1822880 2164670 2233028 2552032 2791285 2830240 3030538 3190040 3463472 3645760 4112873 4329340 4466056 5104064 5582570 5660480 6061076 6380080 6926944 7576345 8225746 8658680 8932112 10606883 11165140 12122152 12760160 13853888 15152690 16451492 17317360 17864224 20564365 21213766 22330280 24244304 25520320 28790111 30305380 32902984 34634720 35728448 41128730 42427532 44660560 48488608 53034415 57580222 60610760 65805968 69269440 82257460 84855064 89321120 96977216 106068830 115160444 121221520 131611936 143950555 164514920 169710128 178642240 201530777 212137660 230320888 242443040 263223872 287901110 329029840 339420256 403061554 424275320 460641776 484886080 575802220 658059680 678840512 806123108 848550640 921283552 1007653885 1151604440 1316119360 1612246216 1697101280 1842567104 2015307770 2303208880 3224492432 3394202560 4030615540 4606417760 6448984864 8061231080 9212835520 12897969728 16122462160 32244924320 64489848640
• Sum of all divisors σ(n): 188551945476
• Sum of proper divisors (its aliquot sum) s(n): 124062096836
• 64489848640 is an abundant number, because the sum of its proper divisors (124062096836) is greater than itself. Its abundance is 59572248196

Bases of 64489848640

• Binary: 111100000011111001001111111101000000₂
• Hexadecimal: 0xF03E4FF40
• Base-36: TMJL9OG

Squares and roots of 64489848640

• 64489848640 squared (64489848640²) is 4158940577610109849600
• 64489848640 cubed (64489848640³) is 268209448352830157134477164544000
• The square root of 64489848640 is 253948.5157271055
• The cube root of 64489848640 is 4010.1792537245

Scales and comparisons

• 64,489,848,640 seconds is equal to 2,050 years, 30 weeks, 6 hours, 50 minutes, 40 seconds.
• To count from 1 to 64,489,848,640 would take you about four thousand, one hundred one 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 64489848640 cubic inches would be around 334.2 feet tall.

Recreational maths with 64489848640

• 64489848640 backwards is 04684898446
• The number of decimal digits it has is: 11
• The sum of 64489848640's digits is 61
• More coming soon!