6668742816

Names of 6668742816

• Cardinal: 6668742816 can be written as Six billion, six hundred sixty-eight million, seven hundred forty-two thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 6.668742816 × 10⁹

Factors of 6668742816

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 39368

Divisors of 6668742816

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 19 24 31 32 36 38 48 57 62 72 76 93 96 114 124 144 152 171 186 228 248 279 288 304 342 372 456 496 558 589 608 684 744 912 992 1116 1178 1368 1488 1767 1824 2232 2356 2736 2976 3534 4464 4712 5301 5472 7068 8928 9424 10602 14136 18848 21204 28272 39313 42408 56544 78626 84816 117939 157252 169632 235878 314504 353817 471756 629008 707634 746947 943512 1218703 1258016 1415268 1493894 1887024 2240841 2437406 2830536 2987788 3656109 3774048 4481682 4874812 5661072 5975576 6722523 7312218 8963364 9749624 10968327 11322144 11951152 13445046 14624436 17926728 19499248 21936654 23155357 23902304 26890092 29248872 35853456 38998496 43873308 46310714 53780184 58497744 69466071 71706912 87746616 92621428 107560368 116995488 138932142 175493232 185242856 208398213 215120736 277864284 350986464 370485712 416796426 555728568 740971424 833592852 1111457136 1667185704 2222914272 3334371408 6668742816
• Sum of all divisors σ(n): 20606826240
• Sum of proper divisors (its aliquot sum) s(n): 13938083424
• 6668742816 is an abundant number, because the sum of its proper divisors (13938083424) is greater than itself. Its abundance is 7269340608

Bases of 6668742816

• Binary: 110001101011111001111000010100000₂
• Hexadecimal: 0x18D7CF0A0
• Base-36: 32AEAW0

Squares and roots of 6668742816

• 6668742816 squared (6668742816²) is 44472130745951609856
• 6668742816 cubed (6668742816³) is 296573202424277519310834794496
• The square root of 6668742816 is 81662.3708693301
• The cube root of 6668742816 is 1882.2674106167

Scales and comparisons

• 6,668,742,816 seconds is equal to 212 years, 2 weeks, 2 days, 12 hours, 33 minutes, 36 seconds.
• To count from 1 to 6,668,742,816 would take you about four hundred twenty-four 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 6668742816 cubic inches would be around 156.9 feet tall.

Recreational maths with 6668742816

• 6668742816 backwards is 6182478666
• The number of decimal digits it has is: 10
• The sum of 6668742816's digits is 54
• More coming soon!