13208986791

Names of 13208986791

• Cardinal: 13208986791 can be written as Thirteen billion, two hundred eight million, nine hundred eighty-six thousand, seven hundred ninety-one.

Scientific notation

• Scientific notation: 1.3208986791 × 10¹⁰

Factors of 13208986791

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 88

Divisors of 13208986791

• Number of divisors d(n): 360
• Complete list of divisors:
  1 3 7 9 11 13 17 21 27 33 37 39 49 51 63 77 81 91 99 111 117 119 143 147 153 187 189 221 231 259 273 297 333 351 357 407 429 441 459 481 539 561 567 629 637 663 693 777 819 833 891 999 1001 1053 1071 1221 1287 1309 1323 1369 1377 1443 1547 1617 1683 1813 1887 1911 1989 2079 2331 2431 2457 2499 2849 2997 3003 3213 3367 3663 3861 3927 3969 4107 4329 4403 4641 4851 5049 5291 5439 5661 5733 5967 6237 6919 6993 7007 7293 7371 7497 8177 8547 9009 9163 9583 9639 10101 10829 10989 11583 11781 12321 12987 13209 13923 14553 15059 15147 15873 16317 16983 17017 17199 17797 17901 19943 20757 20979 21021 21879 22491 23273 23569 24531 25641 27027 27489 28749 30303 30821 32487 32967 35343 36963 37037 38961 39627 41769 43659 45177 47619 48433 48951 50949 51051 51597 53391 57239 59829 62271 63063 65637 67081 67473 69819 70707 73593 76923 81081 82467 86247 89947 90909 92463 97461 105413 106029 110889 111111 118881 119119 124579 125307 135531 142857 145299 146853 153153 160173 162911 171717 179487 186813 189189 195767 196911 201243 209457 212121 220779 230769 247401 256003 258741 259259 269841 272727 277389 292383 302549 316239 333333 339031 356643 357357 373737 400673 406593 428571 435897 459459 480519 488733 515151 538461 560439 567567 587301 603729 628371 629629 636363 662337 737891 742203 768009 776223 777777 809523 832167 872053 877149 907647 948717 999999 1017093 1072071 1121211 1140377 1202019 1219779 1307691 1370369 1378377 1441557 1466199 1545453 1615383 1761903 1792021 1811187 1885113 1888887 1909089 2117843 2213673 2304027 2333331 2428569 2496501 2616159 2722941 2846151 2999997 3051279 3216213 3328039 3363633 3421131 3606057 3923073 4111107 4398597 4407403 4636359 5285709 5376063 5433561 5666661 6353529 6641019 6912081 6999993 7285707 7848477 8168823 8538453 9153837 9592583 9648639 9984117 10090899 10263393 10818171 12333321 12544147 13195791 13222209 14824901 15857127 16128189 16999983 19060587 19923057 20736243 20999979 23296273 23545431 24506469 27461511 28777749 29952351 30790179 32454513 36999963 37632441 39666627 44474703 48384567 50999949 57181761 59769171 69888819 70636293 86333247 89857053 92370537 110999889 112897323 118999881 133424109 145153701 163073911 171545283 209666457 258999741 269571159 338691969 356999643 400272327 489221733 628999371 776999223 1016075907 1200816981 1467665199 1886998113 4402995597 13208986791
• Sum of all divisors σ(n): 29345134896
• Sum of proper divisors (its aliquot sum) s(n): 16136148105
• 13208986791 is an abundant number, because the sum of its proper divisors (16136148105) is greater than itself. Its abundance is 2927161314

Bases of 13208986791

• Binary: 1100010011010100010010010010100111₂
• Hexadecimal: 0x3135124A7
• Base-36: 62GAFFR

Squares and roots of 13208986791

• 13208986791 squared (13208986791²) is 174477332044812477681
• 13208986791 cubed (13208986791³) is 2304668774308849037760311311671
• The square root of 13208986791 is 114930.3562641307
• The cube root of 13208986791 is 2363.8677117475

Scales and comparisons

• 13,208,986,791 seconds is equal to 420 years, 1 day, 18 hours, 59 minutes, 51 seconds.
• To count from 1 to 13,208,986,791 would take you about eight hundred forty 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 13208986791 cubic inches would be around 197 feet tall.

Recreational maths with 13208986791

• 13208986791 backwards is 19768980231
• The number of decimal digits it has is: 11
• The sum of 13208986791's digits is 54
• More coming soon!