3968940128440

Names of 3968940128440

• Cardinal: 3968940128440 can be written as Three trillion, nine hundred sixty-eight billion, nine hundred forty million, one hundred twenty-eight thousand, four hundred forty.

Scientific notation

• Scientific notation: 3.96894012844 × 10¹²

Factors of 3968940128440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 74

Divisors of 3968940128440

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 4 5 7 8 10 14 20 23 28 35 37 40 46 56 70 74 92 115 140 148 161 184 185 230 259 280 296 322 370 460 518 529 644 740 805 851 920 1036 1058 1288 1295 1369 1480 1610 1702 2072 2116 2590 2645 2738 3220 3404 3703 4232 4255 5180 5290 5476 5957 6440 6808 6845 7406 8510 9583 10360 10580 10952 11914 12167 13690 14812 17020 18515 19166 19573 21160 23828 24334 27380 29624 29785 31487 34040 37030 38332 39146 47656 47915 48668 50653 54760 59570 60835 62974 74060 76664 78292 85169 95830 97336 97865 101306 119140 121670 125948 137011 148120 156584 157435 170338 191660 195730 202612 220409 238280 243340 251896 253265 274022 279841 314870 340676 354571 383320 391460 405224 425845 440818 450179 486680 506530 548044 559682 629740 681352 685055 709142 724201 782920 851690 881636 900358 1013060 1096088 1102045 1119364 1165019 1259480 1370110 1399205 1418284 1448402 1703380 1763272 1772855 1800716 1958887 2026120 2204090 2238728 2250895 2330038 2740220 2798410 2836568 2896804 3151253 3406760 3545710 3601432 3621005 3917774 4408180 4501790 4660076 5069407 5480440 5596820 5793608 5825095 6302506 7091420 7242010 7835548 8155133 8816360 9003580 9320152 9794435 10138814 10354117 11193640 11650190 12605012 14182840 14484020 15671096 15756265 16310266 16656623 18007160 19588870 20277628 20708234 23300380 25210024 25347035 26795437 28968040 31512530 32620532 33313246 39177740 40555256 40775665 41416468 46600760 50694070 51770585 53590874 63025060 65241064 66626492 72478819 78355480 81551330 82832936 83283115 101388140 103541170 107181748 116596361 126050120 133252984 133977185 144957638 163102660 166566230 187568059 202776280 207082340 214363496 233192722 267954370 289915276 326205320 333132460 362394095 375136118 383102329 414164680 466385444 535908740 579830552 582981805 616295051 666264920 724788190 750272236 766204658 932770888 937840295 1071817480 1165963610 1232590102 1449576380 1500544472 1532409316 1875680590 1915511645 2331927220 2465180204 2681716303 2899152760 3064818632 3081475255 3751361180 3831023290 4314065357 4663854440 4930360408 5363432606 6162950510 7502722360 7662046580 8628130714 10726865212 12325901020 13408581515 14174786173 15324093160 17256261428 21453730424 21570326785 24651802040 26817163030 28349572346 34512522856 43140653570 53634326060 56699144692 70873930865 86281307140 99223503211 107268652120 113398289384 141747861730 172562614280 198447006422 283495723460 396894012844 496117516055 566991446920 793788025688 992235032110 1984470064220 3968940128440
• Sum of all divisors σ(n): 10966122475200
• Sum of proper divisors (its aliquot sum) s(n): 6997182346760
• 3968940128440 is an abundant number, because the sum of its proper divisors (6997182346760) is greater than itself. Its abundance is 3028242218320

Bases of 3968940128440

• Binary: 111001110000010111010001000011100010111000₂
• Hexadecimal: 0x39C174438B8
• Base-36: 1ENB0H6T4

Squares and roots of 3968940128440

• 3968940128440 squared (3968940128440²) is 15752485743141323696833600
• 3968940128440 cubed (3968940128440³) is 62520672788632594122382364005307584000
• The square root of 3968940128440 is 1992219.8996195173
• The cube root of 3968940128440 is 15832.8166513023

Scales and comparisons

• 3,968,940,128,440 seconds is equal to 126,200 years, 1 week, 1 hour, 40 seconds.
• To count from 1 to 3,968,940,128,440 would take you about three hundred fifteen thousand, five hundred 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 3968940128440 cubic inches would be around 1319.4 feet tall.

Recreational maths with 3968940128440

• 3968940128440 backwards is 0448210498693
• The number of decimal digits it has is: 13
• The sum of 3968940128440's digits is 58
• More coming soon!