648421885148341040

Names of 648421885148341040

• Cardinal: 648421885148341040 can be written as Six hundred forty-eight quadrillion, four hundred twenty-one trillion, eight hundred eighty-five billion, one hundred forty-eight million, three hundred forty-one thousand and forty.

Scientific notation

• Scientific notation: 6.4842188514834104 × 10¹⁷

Factors of 648421885148341040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 857791678764

Divisors of 648421885148341040

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 110 176 220 440 859 880 1718 3436 4295 6872 8590 9449 13744 17180 18898 34360 37796 47245 68720 75592 94490 151184 188980 377960 755920 857791677887 1715583355774 3431166711548 4288958389435 6862333423096 8577916778870 9435708456757 13724666846192 17155833557740 18871416913514 34311667115480 37742833827028 47178542283785 68623334230960 75485667654056 94357084567570 150971335308112 188714169135140 377428338270280 736843051304933 754856676540560 1473686102609866 2947372205219732 3684215256524665 5894744410439464 7368430513049330 8105273564354263 11789488820878928 14736861026098660 16210547128708526 29473722052197320 32421094257417052 40526367821771315 58947444104394640 64842188514834104 81052735643542630 129684377029668208 162105471287085260 324210942574170520 648421885148341040
• Sum of all divisors σ(n): 1646548281539573760
• Sum of proper divisors (its aliquot sum) s(n): 998126396391232720
• 648421885148341040 is an abundant number, because the sum of its proper divisors (998126396391232720) is greater than itself. Its abundance is 349704511242891680

Bases of 648421885148341040

• Binary: 100011111111101010000100010011100000110110110010001100110000₂
• Hexadecimal: 0x8FFA844E0DB2330
• Base-36: 4XCMDHQSDFE8

Squares and roots of 648421885148341040

• 648421885148341040 squared (648421885148341040²) is 420450941139328378581325864148281600
• 648421885148341040 cubed (648421885148341040³) is 272629591865957484751283699210550277849470806756864000
• The square root of 648421885148341040 is 805246474.7816913231
• The cube root of 648421885148341040 is 865537.4988737693

Scales and comparisons

• 648,421,885,148,341,040 seconds is equal to 20,617,810,247 years, 7 weeks, 15 hours, 37 minutes, 20 seconds.
• To count from 1 to 648,421,885,148,341,040 would take you about sixty-one billion, eight hundred fifty-three million, four hundred thirty thousand, seven hundred forty-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 648421885148341040 cubic inches would be around 72128.1 feet tall.

Recreational maths with 648421885148341040

• 648421885148341040 backwards is 040143841588124846
• The number of decimal digits it has is: 18
• The sum of 648421885148341040's digits is 71
• More coming soon!