21418089083478

Names of 21418089083478

• Cardinal: 21418089083478 can be written as Twenty-one trillion, four hundred eighteen billion, eighty-nine million, eighty-three thousand, four hundred seventy-eight.

Scientific notation

• Scientific notation: 2.1418089083478 × 10¹³

Factors of 21418089083478

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 176

Divisors of 21418089083478

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 6 9 18 29 58 59 83 87 118 166 174 177 249 261 354 498 522 531 747 841 1062 1494 1682 1711 2407 2523 3422 3481 4814 4897 5046 5133 6889 6962 7221 7569 9794 10266 10443 13778 14442 14691 15138 15399 20667 20886 21663 29382 30798 31329 41334 43326 44073 49619 62001 62658 69803 88146 99238 100949 124002 139606 142013 148857 199781 201898 205379 209409 284026 288923 297714 302847 399562 406451 410758 418818 426039 446571 577846 599343 605694 616137 628227 812902 852078 866769 893142 908541 1198686 1219353 1232274 1256454 1278117 1733538 1798029 1817082 1848411 2438706 2556234 2600307 2927521 3596058 3658059 3696822 4118377 5200614 5793649 5855042 5955991 7316118 8236754 8378767 8782563 11587298 11787079 11911982 12355131 16757534 17046457 17380947 17565126 17867973 23574158 23980609 24710262 25136301 26347689 34092914 34761894 35361237 35735946 37065393 47961218 50272602 51139371 52142841 52695378 53603919 70722474 71941827 74130786 75408903 102278742 104285682 106083711 107207838 143883654 150817806 153418113 172723739 212167422 215825481 242984243 306836226 341825291 345447478 431650962 485968486 494347253 518171217 683650582 695437661 728952729 988694506 1025475873 1036342434 1390875322 1414855931 1457905458 1483041759 1554513651 2050951746 2086312983 2186858187 2829711862 2966083518 3076427619 3109027302 4172625966 4244567793 4373716374 4449125277 6152855238 6258938949 8489135586 8898250554 12517877898 12733703379 14336070337 20167692169 25467406758 28672140674 40335384338 41030821999 43008211011 60503076507 82061643998 86016422022 121006153014 123092465997 129024633033 181509229521 246184931994 258049266066 363018459042 369277397991 738554795982 1189893837971 2379787675942 3569681513913 7139363027826 10709044541739 21418089083478
• Sum of all divisors σ(n): 49486010666040
• Sum of proper divisors (its aliquot sum) s(n): 28067921582562
• 21418089083478 is an abundant number, because the sum of its proper divisors (28067921582562) is greater than itself. Its abundance is 6649832499084

Bases of 21418089083478

• Binary: 100110111101011001001100101110111001001010110₂
• Hexadecimal: 0x137AC9977256
• Base-36: 7LBC18P5I

Squares and roots of 21418089083478

• 21418089083478 squared (21418089083478²) is 458734539987799474052576484
• 21418089083478 cubed (21418089083478³) is 9825217243126989978512798308580055731352
• The square root of 21418089083478 is 4627968.1376904489
• The cube root of 21418089083478 is 27771.1314124377

Scales and comparisons

• 21,418,089,083,478 seconds is equal to 681,028 years, 51 weeks, 13 hours, 51 minutes, 18 seconds.
• To count from 1 to 21,418,089,083,478 would take you about one million, seven hundred two thousand, five hundred seventy-two 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 21418089083478 cubic inches would be around 2314.3 feet tall.

Recreational maths with 21418089083478

• 21418089083478 backwards is 87438098081412
• The number of decimal digits it has is: 14
• The sum of 21418089083478's digits is 63
• More coming soon!