18979521924909

Names of 18979521924909

• Cardinal: 18979521924909 can be written as Eighteen trillion, nine hundred seventy-nine billion, five hundred twenty-one million, nine hundred twenty-four thousand, nine hundred nine.

Scientific notation

• Scientific notation: 1.8979521924909 × 10¹³

Factors of 18979521924909

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 391

Divisors of 18979521924909

• Number of divisors d(n): 216
• Complete list of divisors:
  1 3 7 13 21 31 39 49 91 93 147 169 217 273 337 343 403 507 637 651 961 1011 1029 1183 1209 1519 1911 2359 2821 2883 3549 4381 4459 4557 5239 6727 7077 8281 8463 10447 10633 12493 13143 13377 15717 16513 19747 20181 24843 30667 31341 31899 36673 37479 47089 49539 56953 57967 59241 73129 87451 92001 110019 113569 115591 135811 138229 141267 162409 170859 173901 214669 219387 256711 262353 323857 329623 340707 346773 398671 407433 414687 487227 511903 612157 644007 770133 794983 950677 971571 988869 1136863 1196013 1476397 1502683 1535709 1765543 1796977 1836471 2266999 2384949 2790697 2852031 3410589 3520639 3583321 4210141 4285099 4429191 4508049 5296629 5390931 5564881 6654739 6800997 7958041 8372091 10334779 10561917 10749963 12358801 12630423 12855297 15868993 16694643 19193161 19534879 19964217 23874123 24644473 29470987 31004337 37076403 38954167 45768307 46583173 47606979 54731833 55706287 57579483 58604637 72343453 73933419 86511607 88412961 109139809 111082951 116862501 134352127 137304921 139749519 164195499 167118861 172511311 206296909 217030359 259534821 320378149 327419427 333248853 383122831 403056381 506404171 517533933 594987991 605581249 618890727 763978663 940464889 961134447 1149368493 1207579177 1418817517 1444078363 1519212513 1784963973 1816743747 2242647043 2291935989 2681859817 2821394667 3622737531 4164915937 4256452551 4332235089 5347850641 6583254223 6727941129 8045579451 9931722619 12494747811 15698529301 16043551923 18444627721 18773018719 19749762669 29154411559 29795167857 37434954487 47095587903 55333883163 56319056157 69522058333 87463234677 112304863461 129112394047 204080880913 208566174999 387337182141 486654408331 612242642739 903786758329 1459963224993 2711360274987 6326507308303 18979521924909
• Sum of all divisors σ(n): 33118505812800
• Sum of proper divisors (its aliquot sum) s(n): 14138983887891
• 18979521924909 is a deficient number, because the sum of its proper divisors (14138983887891) is less than itself. Its deficiency is 4840538037018

Bases of 18979521924909

• Binary: 100010100001100000011101010011000111100101101₂
• Hexadecimal: 0x114303A98F2D
• Base-36: 6Q72LBFAL

Squares and roots of 18979521924909

• 18979521924909 squared (18979521924909²) is 360222252498101432634658281
• 18979521924909 cubed (18979521924909³) is 6836846139127821936586080128752557021429
• The square root of 18979521924909 is 4356549.3139535331
• The cube root of 18979521924909 is 26674.4264218423

Scales and comparisons

• 18,979,521,924,909 seconds is equal to 603,490 years, 4 weeks, 4 days, 15 hours, 35 minutes, 9 seconds.
• To count from 1 to 18,979,521,924,909 would take you about one million, five hundred eight thousand, seven hundred twenty-five 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 18979521924909 cubic inches would be around 2222.9 feet tall.

Recreational maths with 18979521924909

• 18979521924909 backwards is 90942912597981
• The number of decimal digits it has is: 14
• The sum of 18979521924909's digits is 75
• More coming soon!