7994405630875438728

Names of 7994405630875438728

• Cardinal: 7994405630875438728 can be written as Seven quintillion, nine hundred ninety-four quadrillion, four hundred five trillion, six hundred thirty billion, eight hundred seventy-five million, four hundred thirty-eight thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 7.994405630875438728 × 10¹⁸

Factors of 7994405630875438728

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 286650291

Divisors of 7994405630875438728

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 27 36 54 72 89 108 178 193 216 267 356 386 534 579 712 772 801 1068 1158 1544 1602 1737 2136 2316 2403 3204 3474 4632 4806 5211 6408 6948 7517 9612 10422 13896 15034 17177 19224 20844 22551 30068 34354 41688 45102 51531 60136 67653 68708 90204 103062 135306 137416 154593 180408 202959 206124 270612 309186 405918 412248 463779 541224 618372 669013 811836 927558 1236744 1338026 1450781 1623672 1855116 2007039 2676052 2901562 3710232 4014078 4352343 5352104 5803124 6021117 8028156 8704686 11606248 12042234 13057029 16056312 17409372 18063351 24084468 26114058 34818744 36126702 39171087 48168936 52228116 72253404 78342174 104456232 129119509 144506808 156684348 258239018 286642487 313368696 387358527 516478036 573284974 774717054 859927461 1032956072 1146569948 1162075581 1549434108 1719854922 2293139896 2324151162 2579782383 3098868216 3439709844 3486226743 4648302324 5159564766 6879419688 6972453486 7739347149 9296604648 10319129532 13944906972 15478694298 20638259064 25511181343 27889813944 30957388596 51022362686 55321999991 61914777192 76533544029 102044725372 110643999982 153067088058 165965999973 204089450744 221287999964 229600632087 306134176116 331931999946 442575999928 459201264174 497897999919 612268352232 663863999892 688801896261 918402528348 995795999838 1327727999784 1377603792522 1493693999757 1836805056696 1991591999676 2154691574779 2755207585044 2987387999514 3983183999352 4309383149558 4923657999199 5510415170088 5974775999028 6464074724337 8618766299116 9847315998398 11949551998056 12928149448674 14770973997597 17237532598232 19392224173011 19694631996796 25856298897348 29541947995194 38784448346022 39389263993592 44312921992791 51712597794696 58176672519033 59083895990388 77568896692044 88625843985582 116353345038066 118167791980776 132938765978373 155137793384088 177251687971164 191767550155331 232706690076132 265877531956746 354503375942328 383535100310662 415855473932347 465413380152264 531755063913492 575302650465993 767070200621324 831710947864694 1063510127826984 1150605300931986 1247566421797041 1534140401242648 1663421895729388 1725907951397979 2301210601863972 2495132843594082 3326843791458776 3451815902795958 3742699265391123 4602421203727944 4990265687188164 5177723854193937 6903631805591916 7485398530782246 9980531374376328 10355447708387874 11228097796173369 13807263611183832 14970797061564492 20710895416775748 22456195592346738 29941594123128984 37011137179978883 41421790833551496 44912391184693476 74022274359957766 89824782369386952 111033411539936649 148044548719915532 222066823079873298 296089097439831064 333100234619809947 444133646159746596 666200469239619894 888267292319493192 999300703859429841 1332400938479239788 1998601407718859682 2664801876958479576 3997202815437719364 7994405630875438728
• Sum of all divisors σ(n): 22575551882837184000
• Sum of proper divisors (its aliquot sum) s(n): 14581146251961745272
• 7994405630875438728 is an abundant number, because the sum of its proper divisors (14581146251961745272) is greater than itself. Its abundance is 6586740621086306544

Bases of 7994405630875438728

• Binary: 110111011110001110101011001000010101010101101101000111010001000₂
• Hexadecimal: 0x6EF1D590AAB68E88
• Base-36: 1OQK4A6AAL1U0

Squares and roots of 7994405630875438728

• 7994405630875438728 squared (7994405630875438728²) is 63910521390972921492452870246482257984
• 7994405630875438728 cubed (7994405630875438728³) is 510926632080179100309143353481934053250931524324080804352
• The square root of 7994405630875438728 is 2827437997.7066585937
• The cube root of 7994405630875438728 is 1999533.6938606947

Scales and comparisons

• 7,994,405,630,875,438,728 seconds is equal to 254,197,370,741 years, 31 weeks, 6 days, 4 hours, 58 minutes, 48 seconds.
• To count from 1 to 7,994,405,630,875,438,728 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and 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 7994405630875438728 cubic inches would be around 166627.8 feet tall.

Recreational maths with 7994405630875438728

• 7994405630875438728 backwards is 8278345780365044997
• The number of decimal digits it has is: 19
• The sum of 7994405630875438728's digits is 99
• More coming soon!