13131238925805

Names of 13131238925805

• Cardinal: 13131238925805 can be written as Thirteen trillion, one hundred thirty-one billion, two hundred thirty-eight million, nine hundred twenty-five thousand, eight hundred five.

Scientific notation

• Scientific notation: 1.3131238925805 × 10¹³

Factors of 13131238925805

• Number of distinct prime factors ω(n): 9
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2261

Divisors of 13131238925805

• Number of divisors d(n): 512
• Complete list of divisors:
  1 3 5 7 11 13 15 17 21 33 35 39 51 55 65 73 77 85 91 105 119 143 165 187 195 219 221 231 255 273 357 365 385 409 429 455 511 561 595 663 715 803 935 949 1001 1095 1105 1155 1227 1241 1309 1365 1533 1547 1723 1785 2045 2145 2409 2431 2555 2805 2847 2863 3003 3315 3723 3927 4015 4499 4641 4745 5005 5169 5317 5621 6135 6205 6545 6643 6953 7293 7665 7735 8589 8615 8687 10439 12045 12061 12155 13497 13651 14235 14315 15015 15951 16133 16863 17017 18615 18953 19635 19929 20859 22399 22495 23205 25845 26061 26585 28105 29291 29857 31317 31493 33215 34765 36183 36465 37219 40953 42945 43435 48399 48671 51051 52195 56859 58487 60305 67197 67485 68255 73073 76483 79755 80665 84315 85085 87873 89571 90389 94479 94765 95557 99645 104295 111657 111995 112931 125779 130305 132671 146013 146455 149285 156585 156793 157465 175461 177463 180915 186095 204765 205037 208999 219219 229449 241995 243355 246389 255255 271167 284295 286671 292435 322201 328427 335985 338793 365365 377337 380783 382415 388141 398013 409409 439365 447855 451945 470379 472395 477785 507569 532389 535381 558285 564655 615111 626997 628895 632723 663355 704707 730065 739167 783965 877305 880453 887315 966603 985281 994279 1025185 1044995 1096095 1142349 1147245 1164423 1228227 1231945 1242241 1355835 1383569 1433355 1522707 1606143 1611005 1635127 1642135 1693965 1724723 1886685 1898169 1903915 1940705 1990065 2047045 2114121 2138243 2255407 2298989 2351895 2537845 2641359 2661945 2665481 2676905 2716987 2982837 3075555 3134985 3163615 3523535 3552983 3695835 3726723 4150707 4188613 4269551 4402265 4833015 4905381 4926405 4932949 4971395 5174169 5583259 5711745 5822115 6141135 6211205 6414729 6598397 6766221 6896967 6917845 6959953 7613535 7751777 7996443 8030715 8150961 8175635 8623615 9161191 9490845 9684983 10570605 10658949 10691215 11277035 11445889 11494945 11980019 12565839 12808653 13206795 13327405 13584935 14798847 14914185 14967701 16749777 17764915 17986397 18633615 19795191 20753535 20879859 20943065 21347755 23255331 23520673 24526905 24664745 25870845 27483573 27797159 27916295 29054949 29320291 29886857 32073645 32991985 33831105 34337667 34484835 34799765 35940057 38758885 39082813 39982215 40754805 44903103 45805955 46188779 48424915 51443611 53294745 53959191 54262439 57229445 59900095 62829195 64043265 64128337 70562019 72582367 73994235 74838505 83391477 83748885 83860133 87960873 89660571 89931985 98975955 100773101 104399295 116276655 117248439 117603365 125904779 131780209 137417865 138566337 138985795 145274745 146601455 149434285 154330833 155740247 162787317 164644711 171688335 179700285 192385011 194580113 195414065 217747101 224515515 230943895 251580399 257218055 269795955 271312195 302319303 305768749 320641685 352810095 360105277 362911835 377714337 395340627 416957385 419300665 439804365 448302855 467220741 493934133 503865505 508076569 565879721 583740339 586242195 629523895 658901045 668766943 692831685 705411707 771654165 778701235 813936585 823223555 874541387 917306247 922461463 961925055 972900565 1080315831 1088735505 1090181729 1257901995 1511596515 1524229707 1528843745 1697639163 1713142717 1800526385 1888571685 1976703135 2006300829 2116235121 2140381243 2336103705 2469670665 2540382845 2623624161 2767384389 2829398605 2918701695 3270545187 3343834715 3527058535 3961158047 4372706935 4586531235 4612307315 4681368601 5139428151 5401579155 5450908645 6121789709 6421143729 7356436373 7621148535 8488195815 8565713585 9619955257 10031504145 10581175605 10701906215 11369038031 11883474141 11991999019 13118120805 13836921945 14044105803 16352725935 18365369127 19805790235 22069309119 23406843005 25697140755 28859865771 30608948545 32105718645 34107114093 35975997057 36782181865 48099776285 51495054611 56845190155 59417370705 59959995095 67339686799 70220529015 79583266217 91826845635 110346545595 125059418341 144299328855 154485163833 170535570465 179879985285 202019060397 238749798651 257475273055 336698433995 375178255023 397916331085 625297091705 772425819165 875415928387 1010095301985 1193748993255 1875891275115 2626247785161 4377079641935 13131238925805
• Sum of all divisors σ(n): 30369374945280
• Sum of proper divisors (its aliquot sum) s(n): 17238136019475
• 13131238925805 is an abundant number, because the sum of its proper divisors (17238136019475) is greater than itself. Its abundance is 4106897093670

Bases of 13131238925805

• Binary: 10111111000101011010110101001110010111101101₂
• Hexadecimal: 0xBF15AD4E5ED
• Base-36: 4NKEOM8RX

Squares and roots of 13131238925805

• 13131238925805 squared (13131238925805²) is 172429435726576450294898025
• 13131238925805 cubed (13131238925805³) is 2264212118367412036860586717273016035125
• The square root of 13131238925805 is 3623705.1378119879
• The cube root of 13131238925805 is 23592.2068768543

Scales and comparisons

• 13,131,238,925,805 seconds is equal to 417,532 years, 40 weeks, 4 days, 16 minutes, 45 seconds.
• To count from 1 to 13,131,238,925,805 would take you about one million, forty-three thousand, eight hundred thirty-one 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 13131238925805 cubic inches would be around 1966 feet tall.

Recreational maths with 13131238925805

• 13131238925805 backwards is 50852983213131
• 13131238925805 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 13131238925805's digits is 51
• More coming soon!