13818897729

Names of 13818897729

• Cardinal: 13818897729 can be written as Thirteen billion, eight hundred eighteen million, eight hundred ninety-seven thousand, seven hundred twenty-nine.

Scientific notation

• Scientific notation: 1.3818897729 × 10¹⁰

Factors of 13818897729

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 504

Divisors of 13818897729

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 7 9 13 17 21 27 39 49 51 63 91 117 119 147 151 153 189 221 273 313 351 357 441 453 459 637 663 819 833 939 1057 1071 1323 1359 1547 1911 1963 1989 2191 2457 2499 2567 2817 3171 3213 4069 4077 4641 5321 5733 5889 5967 6573 7399 7497 7701 8451 9513 10829 12207 13741 13923 15337 15963 17199 17667 17969 19719 22197 22491 23103 28483 28539 32487 33371 36621 37247 41223 41769 46011 47263 47889 53001 53907 59157 66591 69173 69309 85449 96187 97461 100113 109863 111741 123669 125783 138033 141789 143667 161721 199381 199773 207519 233597 256347 260729 288561 292383 300339 330841 335223 371007 377349 414099 425367 484211 485163 598143 614419 622557 700791 769041 782187 803471 865683 901017 992523 1005669 1132047 1276101 1452633 1635179 1794429 1843257 1867671 2102373 2315887 2346561 2410413 2597049 2977569 3389477 3396141 4300933 4357899 4905537 5383287 5529771 5624297 6307119 6947661 7039683 7231239 8932707 10168431 10445123 12902799 13073697 14716611 16589313 16872891 20842983 21693717 30106531 30505293 31335369 38708397 39370079 44149833 50618673 62528949 73115861 90319593 91515879 94006107 116125191 118110237 151856019 219347583 270958779 282018321 354330711 511811027 658042749 812876337 1062992133 1535433081 1974128247 4606299243 13818897729
• Sum of all divisors σ(n): 27422599680
• Sum of proper divisors (its aliquot sum) s(n): 13603701951
• 13818897729 is a deficient number, because the sum of its proper divisors (13603701951) is less than itself. Its deficiency is 215195778

Bases of 13818897729

• Binary: 1100110111101010111010010101000001₂
• Hexadecimal: 0x337ABA541
• Base-36: 6CJEXQ9

Squares and roots of 13818897729

• 13818897729 squared (13818897729²) is 190961934444561357441
• 13818897729 cubed (13818897729³) is 2638883442221395818742592151489
• The square root of 13818897729 is 117553.8078030653
• The cube root of 13818897729 is 2399.7046933531

Scales and comparisons

• 13,818,897,729 seconds is equal to 439 years, 20 weeks, 4 days, 22 hours, 42 minutes, 9 seconds.
• To count from 1 to 13,818,897,729 would take you about eight hundred seventy-eight 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 13818897729 cubic inches would be around 200 feet tall.

Recreational maths with 13818897729

• 13818897729 backwards is 92779881831
• 13818897729 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13818897729's digits is 63
• More coming soon!