64406396080

Names of 64406396080

• Cardinal: 64406396080 can be written as Sixty-four billion, four hundred six million, three hundred ninety-six thousand and eighty.

Scientific notation

• Scientific notation: 6.440639608 × 10¹⁰

Factors of 64406396080

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 105213

Divisors of 64406396080

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 5 8 10 13 16 19 20 26 31 38 40 52 62 65 76 80 95 104 124 130 152 155 190 208 247 248 260 304 310 380 403 494 496 520 589 620 760 806 988 1040 1178 1235 1240 1520 1612 1976 2015 2356 2470 2480 2945 3224 3952 4030 4712 4940 5890 6448 7657 8060 9424 9880 11780 15314 16120 19760 23560 30628 32240 38285 47120 61256 76570 105143 122512 153140 210286 306280 420572 525715 612560 841144 1051430 1366859 1682288 1997717 2102860 2733718 3259433 3995434 4205720 5467436 6518866 6834295 7990868 8411440 9988585 10934872 13037732 13668590 15981736 16297165 19977170 21869744 25970321 26075464 27337180 31963472 32594330 39954340 42372629 51940642 52150928 54674360 61929227 65188660 79908680 84745258 103881284 109348720 123858454 129851605 130377320 159817360 169490516 207762568 211863145 247716908 259703210 260754640 309646135 338981032 415525136 423726290 495433816 519406420 619292270 677962064 805079951 847452580 990867632 1038812840 1238584540 1610159902 1694905160 2077625680 2477169080 3220319804 3389810320 4025399755 4954338160 6440639608 8050799510 12881279216 16101599020 32203198040 64406396080
• Sum of all divisors σ(n): 175228784640
• Sum of proper divisors (its aliquot sum) s(n): 110822388560
• 64406396080 is an abundant number, because the sum of its proper divisors (110822388560) is greater than itself. Its abundance is 46415992480

Bases of 64406396080

• Binary: 111011111110111010111001110010110000₂
• Hexadecimal: 0xEFEEB9CB0
• Base-36: TL5WL9S

Squares and roots of 64406396080

• 64406396080 squared (64406396080²) is 4148183856013839366400
• 64406396080 cubed (64406396080³) is 267169572443089028193854643712000
• The square root of 64406396080 is 253784.1525391213
• The cube root of 64406396080 is 4008.4487271879

Scales and comparisons

• 64,406,396,080 seconds is equal to 2,047 years, 48 weeks, 9 hours, 34 minutes, 40 seconds.
• To count from 1 to 64,406,396,080 would take you about four thousand and ninety-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 64406396080 cubic inches would be around 334 feet tall.

Recreational maths with 64406396080

• 64406396080 backwards is 08069360446
• The number of decimal digits it has is: 11
• The sum of 64406396080's digits is 46
• More coming soon!