13389743961

Names of 13389743961

• Cardinal: 13389743961 can be written as Thirteen billion, three hundred eighty-nine million, seven hundred forty-three thousand, nine hundred sixty-one.

Scientific notation

• Scientific notation: 1.3389743961 × 10¹⁰

Factors of 13389743961

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 467

Divisors of 13389743961

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 9 11 27 29 33 41 81 87 99 121 123 243 261 297 319 363 369 383 451 783 891 957 1089 1107 1149 1189 1353 2349 2673 2871 3267 3321 3447 3509 3567 4059 4213 4961 7047 8613 9801 9963 10341 10527 10701 11107 12177 12639 13079 14883 15703 25839 29403 31023 31581 32103 33321 36531 37917 39237 44649 46343 47109 77517 93069 94743 96309 99963 109593 113751 117711 122177 133947 139029 141327 143869 172733 284229 288927 299889 341253 353133 366531 401841 417087 423981 431607 455387 518199 852687 899667 1023759 1059399 1099593 1205523 1251261 1271943 1294821 1343947 1366161 1554597 1900063 2699001 3178197 3298779 3753783 3815829 3884463 4031841 4098483 4663791 5009257 5700189 9896337 11261349 11653389 12095523 12295449 13991373 15027771 17100567 29689011 34960167 36286569 36886347 41974119 45083313 51301701 55101827 108859707 110659041 135249939 153905103 165305481 326579121 405749817 461715309 495916443 1217249451 1487749329 4463247987 13389743961
• Sum of all divisors σ(n): 23423662080
• Sum of proper divisors (its aliquot sum) s(n): 10033918119
• 13389743961 is a deficient number, because the sum of its proper divisors (10033918119) is less than itself. Its deficiency is 3355825842

Bases of 13389743961

• Binary: 1100011110000101110100011101011001₂
• Hexadecimal: 0x31E174759
• Base-36: 65FWOK9

Squares and roots of 13389743961

• 13389743961 squared (13389743961²) is 179285243341135969521
• 13389743961 cubed (13389743961³) is 2400583504323390810773689812681
• The square root of 13389743961 is 115714.0612069251
• The cube root of 13389743961 is 2374.6016076947

Scales and comparisons

• 13,389,743,961 seconds is equal to 425 years, 39 weeks, 21 hours, 19 minutes, 21 seconds.
• To count from 1 to 13,389,743,961 would take you about eight hundred fifty-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 13389743961 cubic inches would be around 197.9 feet tall.

Recreational maths with 13389743961

• 13389743961 backwards is 16934798331
• The number of decimal digits it has is: 11
• The sum of 13389743961's digits is 54
• More coming soon!