4991312679709545

Names of 4991312679709545

• Cardinal: 4991312679709545 can be written as Four quadrillion, nine hundred ninety-one trillion, three hundred twelve billion, six hundred seventy-nine million, seven hundred nine thousand, five hundred forty-five.

Scientific notation

• Scientific notation: 4.991312679709545 × 10¹⁵

Factors of 4991312679709545

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 779

Divisors of 4991312679709545

• Number of divisors d(n): 320
• Complete list of divisors:
  1 3 5 7 9 15 21 27 35 45 49 63 81 105 135 147 189 193 245 315 343 405 441 567 571 579 735 945 965 1029 1323 1351 1713 1715 1737 2205 2835 2855 2895 3087 3969 3997 4053 5139 5145 5211 6615 6755 8565 8685 9261 9457 11991 12159 15417 15435 15633 19845 19985 20265 25695 26055 27783 27979 28371 35973 36477 46251 46305 47285 59955 60795 66199 77085 78165 83937 85113 107919 109431 110203 138915 139895 141855 179865 182385 195853 198597 231255 251811 255339 323757 326041 330609 330995 419685 425565 539595 547155 551015 587559 595791 755433 766017 771421 978123 979265 991827 992985 1259055 1276695 1618785 1630205 1653045 1762677 1787373 2266299 2282287 2314263 2934369 2937795 2975481 2978955 3777165 3830085 3857105 4890615 4959135 5288031 5362119 5399947 6846861 6942789 8803107 8813385 8926443 8936865 11331495 11411435 11571315 14671845 14877405 15864093 15976009 16199841 20540583 20828367 26409321 26440155 26810595 26999735 34234305 34713945 37799629 44015535 44632215 47928027 48599523 61621749 62485101 62925913 79320465 79880045 80999205 102702915 104141835 111832063 113398887 132046605 143784081 145798569 184865247 186169411 188777739 188998145 239640135 242997615 308108745 312425505 314629565 335496189 340196661 431352243 437395707 440481391 558508233 559160315 566333217 566994435 718920405 728992845 924326235 930847055 943888695 1006488567 1020589983 1294056729 1303185877 1321444173 1675524699 1677480945 1698999651 1700983305 2156761215 2186978535 2202406955 2792541165 2831666085 3019465701 3061769949 3083369737 3909557631 3964332519 5026574097 5032442835 5096998953 5102949915 6470283645 6515929385 6607220865 8377623495 8494998255 9058397103 9122301139 9250109211 11728672893 11892997557 15079722291 15097328505 15308849745 15416848685 19547788155 19821662595 21583588159 25132870485 25484994765 27366903417 27750327633 35186018679 35678992671 35930696323 45291985515 45611505695 46250546055 58643364465 59464987785 63856107973 64750764477 75398611455 82100710251 83250982899 105558056037 107792088969 107917940795 136834517085 138751638165 175930093395 178394963355 179653481615 191568323919 194252293431 246302130753 249752948697 251514874261 319280539865 323376266907 323753822385 410503551255 416254914495 527790280185 538960444845 574704971757 582756880293 738906392259 754544622783 957841619595 970128800721 971261467155 1231510653765 1248764743485 1257574371305 1616881334535 1724114915271 1748270640879 1760604119827 2263633868349 2873524858785 2910386402163 2913784401465 3694531961295 3772723113915 4850644003605 5172344745813 5281812359481 6790901605047 8620574576355 8741353204395 8803020599135 11318169341745 12324228838789 14551932010815 15845437078443 20372704815141 25861723729065 26409061797405 33954508025235 36972686516367 47536311235329 61621144193945 79227185392215 101863524075705 110918059549101 142608933705987 184863432581835 237681556176645 332754178647303 554590297745505 713044668529935 998262535941909 1663770893236515 4991312679709545
• Sum of all divisors σ(n): 10506738401702400
• Sum of proper divisors (its aliquot sum) s(n): 5515425721992855
• 4991312679709545 is an abundant number, because the sum of its proper divisors (5515425721992855) is greater than itself. Its abundance is 524113042283310

Bases of 4991312679709545

• Binary: 10001101110111001001010001011001111001010101101101001₂
• Hexadecimal: 0x11BB928B3CAB69
• Base-36: 1D59TE1MHK9

Squares and roots of 4991312679709545

• 4991312679709545 squared (4991312679709545²) is 24913202266629278951145564107025
• 4991312679709545 cubed (4991312679709545³) is 124349582365595296723756147435391774754294053625
• The square root of 4991312679709545 is 70649222.7820628257
• The cube root of 4991312679709545 is 170898.5031979515

Scales and comparisons

• 4,991,312,679,709,545 seconds is equal to 158,708,304 years, 3 weeks, 4 days, 19 hours, 45 minutes, 45 seconds.
• To count from 1 to 4,991,312,679,709,545 would take you about four hundred seventy-six million, one hundred twenty-four thousand, nine hundred twelve 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 4991312679709545 cubic inches would be around 14241.5 feet tall.

Recreational maths with 4991312679709545

• 4991312679709545 backwards is 5459079762131994
• 4991312679709545 is a Harshad number.
• The number of decimal digits it has is: 16
• The sum of 4991312679709545's digits is 81
• More coming soon!