3993967928640

Names of 3993967928640

• Cardinal: 3993967928640 can be written as Three trillion, nine hundred ninety-three billion, nine hundred sixty-seven million, nine hundred twenty-eight thousand, six hundred forty.

Scientific notation

• Scientific notation: 3.99396792864 × 10¹²

Factors of 3993967928640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 797495

Divisors of 3993967928640

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 17 20 24 30 32 34 40 48 51 60 64 68 80 85 96 102 120 136 160 170 192 204 240 255 272 307 320 340 408 480 510 544 614 680 816 921 960 1020 1088 1228 1360 1535 1632 1842 2040 2456 2720 3070 3264 3684 4080 4605 4912 5219 5440 6140 7368 8160 9210 9824 10438 12280 14736 15657 16320 18420 19648 20876 24560 26095 29472 31314 36840 41752 49120 52190 58944 62628 73680 78285 83504 98240 104380 125256 147360 156570 167008 208760 250512 294720 313140 334016 417520 501024 626280 797161 835040 1002048 1252560 1594322 1670080 2391483 2505120 3188644 3985805 4782966 5010240 6377288 7971610 9565932 11957415 12754576 13551737 15943220 19131864 23914830 25509152 27103474 31886440 38263728 40655211 47829660 51018304 54206948 63772880 67758685 76527456 81310422 95659320 108413896 127545760 135517370 153054912 162620844 191318640 203276055 216827792 244728427 255091520 271034740 325241688 382637280 406552110 433655584 489456854 542069480 650483376 734185281 765274560 813104220 867311168 978913708 1084138960 1223642135 1300966752 1468370562 1626208440 1957827416 2168277920 2447284270 2601933504 2936741124 3252416880 3670926405 3915654832 4160383259 4336555840 4894568540 5873482248 6504833760 7341852810 7831309664 8320766518 9789137080 11746964496 12481149777 13009667520 14683705620 15662619328 16641533036 19578274160 20801916295 23493928992 24962299554 29367411240 33283066072 39156548320 41603832590 46987857984 49924599108 58734822480 62405748885 66566132144 78313096640 83207665180 99849198216 117469644960 124811497770 133132264288 166415330360 199698396432 234939289920 249622995540 266264528576 332830660720 399396792864 499245991080 665661321440 798793585728 998491982160 1331322642880 1996983964320 3993967928640
• Sum of all divisors σ(n): 13470532758144
• Sum of proper divisors (its aliquot sum) s(n): 9476564829504
• 3993967928640 is an abundant number, because the sum of its proper divisors (9476564829504) is greater than itself. Its abundance is 5482596900864

Bases of 3993967928640

• Binary: 111010000111101011000010100010010101000000₂
• Hexadecimal: 0x3A1EB0A2540
• Base-36: 1EYSXDT1C

Squares and roots of 3993967928640

• 3993967928640 squared (3993967928640²) is 15951779815004892132249600
• 3993967928640 cubed (3993967928640³) is 63710896985856451420907567855468544000
• The square root of 3993967928640 is 1998491.4132014677
• The cube root of 3993967928640 is 15866.0270749251

Scales and comparisons

• 3,993,967,928,640 seconds is equal to 126,995 years, 42 weeks, 6 days, 15 hours, 44 minutes.
• To count from 1 to 3,993,967,928,640 would take you about three hundred seventeen thousand, four hundred eighty-nine 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 3993967928640 cubic inches would be around 1322.2 feet tall.

Recreational maths with 3993967928640

• 3993967928640 backwards is 0468297693993
• The number of decimal digits it has is: 13
• The sum of 3993967928640's digits is 75
• More coming soon!