3991361649345

Names of 3991361649345

• Cardinal: 3991361649345 can be written as Three trillion, nine hundred ninety-one billion, three hundred sixty-one million, six hundred forty-nine thousand, three hundred forty-five.

Scientific notation

• Scientific notation: 3.991361649345 × 10¹²

Factors of 3991361649345

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 882

Divisors of 3991361649345

• Number of divisors d(n): 640
• Complete list of divisors:
  1 3 5 7 9 15 19 21 23 27 35 45 53 57 63 69 81 89 95 105 115 133 135 159 161 171 189 207 265 267 285 315 345 371 399 405 437 445 477 483 513 567 621 623 665 683 795 801 805 855 945 1007 1035 1113 1197 1219 1311 1335 1431 1449 1539 1691 1855 1863 1869 1995 2047 2049 2185 2385 2403 2415 2565 2835 3021 3059 3105 3115 3339 3415 3591 3657 3933 4005 4293 4347 4717 4781 5035 5073 5565 5607 5985 6095 6141 6147 6555 7049 7155 7209 7245 7695 8455 8533 9063 9177 9315 9345 10017 10235 10245 10773 10971 11799 11837 12015 12977 13041 14151 14329 14343 15105 15219 15295 15709 16695 16821 17955 18285 18423 18441 19665 21147 21465 21735 23161 23585 23905 25365 25599 27189 27531 28035 30051 30705 30735 32913 33019 35245 35397 35511 36045 36199 38893 38931 42453 42665 42987 43029 45315 45657 45885 47127 50085 50463 53865 54855 55269 55323 58995 59185 60787 63441 64885 65205 69483 70755 71645 71715 76095 76797 78545 81567 82593 84105 89623 90839 92115 92205 98739 99057 105735 106533 108491 108597 109963 115805 116679 116793 127359 127995 128961 129087 135945 136971 137655 141381 150255 162127 164565 165095 165807 176985 177555 180995 182361 190323 194465 194655 208449 212265 214935 215145 228285 230391 235635 247779 252315 253393 268869 272251 272517 276345 276615 297171 298471 303935 317205 319599 325473 325791 329889 347415 350037 350379 382077 383985 386883 387261 407835 412965 424143 425509 448115 454195 486381 493695 495285 532665 542455 542985 547083 549815 570969 583395 583965 625347 627361 636795 644805 645435 684855 687781 691173 706905 759437 760179 806607 810635 816753 817551 829035 832577 891513 895413 911805 951615 958797 976419 977373 989667 1042245 1050111 1051137 1151955 1154953 1160649 1238895 1266965 1272429 1276527 1344345 1361255 1362585 1398101 1459143 1485855 1492355 1597995 1627365 1628955 1641249 1649445 1750185 1751895 1876041 1882083 1910385 1934415 1936305 2061329 2063343 2089297 2120715 2127545 2278311 2280537 2419821 2431905 2450259 2452653 2497731 2674539 2686239 2735415 2854845 2929257 2932119 2969001 3126735 3136805 3150333 3221711 3438905 3455865 3464859 3797185 3800895 3829581 4033035 4083765 4087755 4162885 4194303 4377429 4457565 4477065 4793985 4814467 4882095 4886865 4923747 4948335 5250555 5255685 5646249 5774765 5803245 5828039 6183987 6190029 6267891 6362145 6382635 6834933 6841611 6990505 7259463 7295715 7350777 7357959 7493193 8058717 8084671 8206245 8787771 8907003 9380205 9410415 9665133 9786707 10306645 10316715 10394577 10446485 11391555 11402685 11488743 12099105 12251295 12263265 12488655 12582909 13132287 13372695 13431195 14429303 14443401 14646285 14660595 14845005 15751665 15818963 16108555 16938747 17324295 17484117 18551961 18570087 18803673 19147905 20504799 20524833 20971515 21887145 22052331 22479579 22551977 24072335 24176151 24254013 24618735 26563919 28231245 28995399 29140195 29360121 30919935 30950145 31183731 31339455 34174665 34208055 34466229 36297315 36753885 36789795 37465965 37748727 40293585 40423355 43287909 43330203 43938855 44535015 47456889 48325665 48933535 50816241 51972885 52452351 55655883 55710261 56411019 57443715 61212509 61514397 62914545 65661435 67438737 67655931 72146515 72217005 72762039 74099353 79094815 79691757 84693735 86986197 87420585 88080363 92759805 92850435 93551193 94018365 102523995 102624165 110261655 110732741 112397895 112759885 113246181 120880755 121270065 129863727 129990609 132819595 142370667 144976995 146800605 155918655 157357053 166967649 169233057 172331145 183637527 185947433 188743635 202967793 216439545 216651015 218286117 222298059 237284445 239075271 254081205 260958591 262261755 264241089 278279415 278551305 282055095 306062545 307571985 332198223 337193685 338279655 363810195 370496765 389591181 389971827 398458785 427112001 428487563 434930985 440401815 467755965 472071159 518695471 550912581 553663705 557842299 566230905 608903379 649318635 649953045 654858351 666894177 711853335 717225813 786785265 792723267 834838245 846165285 918187635 929737165 996594669 1014838965 1091430585 1111490295 1168773543 1195376355 1281336003 1285462689 1304792955 1321205445 1407887707 1556086413 1652737743 1660991115 1673526897 1826710137 1947955905 1949859135 2000682531 2135560005 2142437815 2151677439 2360355795 2593477355 2754562905 2789211495 2989784007 3044516895 3274291755 3334470885 3586129065 3856388067 3963616335 4223663121 4668259239 4958213229 4982973345 5020580691 5843867715 6002047593 6406680015 6427313445 7039438535 7780432065 8263688715 8367634485 8969352021 9133550685 9855213949 10003412655 10758387195 11569164201 12670989363 14004777717 14948920035 15061742073 19281940335 21118315605 23341296195 24791066145 25102903455 29565641847 30010237965 34707492603 38012968089 42014333151 44846760105 49276069745 57845821005 63354946815 70023888585 75308710365 88696925541 114038904267 147828209235 173537463015 190064840445 210071665755 266090776623 443484627705 570194521335 798272329869 1330453883115 3991361649345
• Sum of all divisors σ(n): 9267449241600
• Sum of proper divisors (its aliquot sum) s(n): 5276087592255
• 3991361649345 is an abundant number, because the sum of its proper divisors (5276087592255) is greater than itself. Its abundance is 1284725942910

Bases of 3991361649345

• Binary: 111010000101001111101100010111101011000001₂
• Hexadecimal: 0x3A14FB17AC1
• Base-36: 1EXLTO729

Squares and roots of 3991361649345

• 3991361649345 squared (3991361649345²) is 15930967815862038738929025
• 3991361649345 cubed (3991361649345³) is 63586253977181219193986037082892738625
• The square root of 3991361649345 is 1997839.2451208381
• The cube root of 3991361649345 is 15862.5751780887

Scales and comparisons

• 3,991,361,649,345 seconds is equal to 126,912 years, 49 weeks, 4 days, 9 hours, 15 minutes, 45 seconds.
• To count from 1 to 3,991,361,649,345 would take you about three hundred seventeen thousand, two hundred eighty-two 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 3991361649345 cubic inches would be around 1321.9 feet tall.

Recreational maths with 3991361649345

• 3991361649345 backwards is 5439461631993
• 3991361649345 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 3991361649345's digits is 63
• More coming soon!