6405671680

Names of 6405671680

• Cardinal: 6405671680 can be written as Six billion, four hundred five million, six hundred seventy-one thousand, six hundred eighty.

Scientific notation

• Scientific notation: 6.40567168 × 10⁹

Factors of 6405671680

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 848

Divisors of 6405671680

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 64 67 80 113 128 134 160 226 256 268 320 335 452 536 565 640 661 670 904 1072 1130 1280 1322 1340 1808 2144 2260 2644 2680 3305 3616 4288 4520 5288 5360 6610 7232 7571 8576 9040 10576 10720 13220 14464 15142 17152 18080 21152 21440 26440 28928 30284 36160 37855 42304 42880 44287 52880 60568 72320 74693 75710 84608 85760 88574 105760 121136 144640 149386 151420 169216 177148 211520 221435 242272 298772 302840 354296 373465 423040 442870 484544 597544 605680 708592 746930 846080 885740 969088 1195088 1211360 1417184 1493860 1771480 1938176 2390176 2422720 2834368 2987720 3542960 4780352 4845440 5004431 5668736 5975440 7085920 9560704 9690880 10008862 11337472 11950880 14171840 19121408 20017724 23901760 25022155 28343680 40035448 47803520 50044310 56687360 80070896 95607040 100088620 160141792 200177240 320283584 400354480 640567168 800708960 1281134336 1601417920 3202835840 6405671680
• Sum of all divisors σ(n): 15734172384
• Sum of proper divisors (its aliquot sum) s(n): 9328500704
• 6405671680 is an abundant number, because the sum of its proper divisors (9328500704) is greater than itself. Its abundance is 2922829024

Bases of 6405671680

• Binary: 101111101110011101100101100000000₂
• Hexadecimal: 0x17DCECB00
• Base-36: 2XXRRWG

Squares and roots of 6405671680

• 6405671680 squared (6405671680²) is 41032629671954022400
• 6405671680 cubed (6405671680³) is 262841553845563571549765632000
• The square root of 6405671680 is 80035.4401499735
• The cube root of 6405671680 is 1857.1838216493

Scales and comparisons

• 6,405,671,680 seconds is equal to 203 years, 35 weeks, 2 days, 17 hours, 14 minutes, 40 seconds.
• To count from 1 to 6,405,671,680 would take you about four hundred seven 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 6405671680 cubic inches would be around 154.8 feet tall.

Recreational maths with 6405671680

• 6405671680 backwards is 0861765046
• The number of decimal digits it has is: 10
• The sum of 6405671680's digits is 43
• More coming soon!