394916975145640

Names of 394916975145640

• Cardinal: 394916975145640 can be written as Three hundred ninety-four trillion, nine hundred sixteen billion, nine hundred seventy-five million, one hundred forty-five thousand, six hundred forty.

Scientific notation

• Scientific notation: 3.9491697514564 × 10¹⁴

Factors of 394916975145640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1250

Divisors of 394916975145640

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 5 8 10 20 29 40 58 97 116 145 194 232 290 388 485 580 776 841 970 1117 1160 1682 1940 2234 2813 3364 3880 4205 4468 5585 5626 6728 8410 8936 9409 11170 11252 14065 16820 18818 22340 22504 28130 32393 33640 37636 44680 47045 56260 64786 75272 81577 94090 108349 112520 129572 161965 163154 188180 216698 259144 272861 323930 326308 376360 407885 433396 541745 545722 647860 652616 815770 866792 939397 1083490 1091444 1247689 1295720 1364305 1631540 1878794 2166980 2182888 2495378 2728610 3142121 3263080 3757588 4333960 4696985 4990756 5457220 6238445 6284242 7515176 7912969 9393970 9981512 10509853 10914440 12476890 12568484 15710605 15825938 18787940 21019706 24953780 25136968 31421210 31651876 36182981 37575880 39564845 42039412 49907560 52549265 62842420 63303752 72365962 79129690 84078824 91121509 105098530 121025833 125684840 144731924 158259380 180914905 182243018 210197060 242051666 289463848 304785737 316518760 361829810 364486036 420394120 455607545 484103332 605129165 609571474 723659620 728972072 911215090 968206664 1049306449 1210258330 1219142948 1447319240 1523928685 1822430180 2098612898 2420516660 2438285896 3047857370 3509749157 3644860360 4197225796 4841033320 5246532245 6095714740 7019498314 8394451592 8838786373 10493064490 11739505801 12191429480 14038996628 17548745785 17677572746 20986128980 23479011602 28077993256 35097491570 35355145492 41972257960 44193931865 46958023204 58697529005 70194983140 70710290984 88387863730 93916046408 101782725553 117395058010 140389966280 176775727460 203565451106 234790116020 340445668229 353551454920 407130902212 469580232040 508913627765 680891336458 814261804424 1017827255530 1361782672916 1702228341145 2035654511060 2723565345832 3404456682290 4071309022120 6808913364580 9872924378641 13617826729160 19745848757282 39491697514564 49364621893205 78983395029128 98729243786410 197458487572820 394916975145640
• Sum of all divisors σ(n): 930678074800110
• Sum of proper divisors (its aliquot sum) s(n): 535761099654470
• 394916975145640 is an abundant number, because the sum of its proper divisors (535761099654470) is greater than itself. Its abundance is 140844124508830

Bases of 394916975145640

• Binary: 1011001110010110011000110000001001111001010101000₂
• Hexadecimal: 0x1672CC604F2A8
• Base-36: 3VZICQJPNS

Squares and roots of 394916975145640

• 394916975145640 squared (394916975145640²) is 155959417258182041499211009600
• 394916975145640 cubed (394916975145640³) is 61591021309077975357674509321873051438144000
• The square root of 394916975145640 is 19872518.0876918565
• The cube root of 394916975145640 is 73367.1981536659

Scales and comparisons

• 394,916,975,145,640 seconds is equal to 12,557,138 years, 13 weeks, 10 hours, 40 minutes, 40 seconds.
• To count from 1 to 394,916,975,145,640 would take you about thirty-one million, three hundred ninety-two thousand, eight hundred forty-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 394916975145640 cubic inches would be around 6113.9 feet tall.

Recreational maths with 394916975145640

• 394916975145640 backwards is 046541579619493
• The number of decimal digits it has is: 15
• The sum of 394916975145640's digits is 73
• More coming soon!