13358868138

Names of 13358868138

• Cardinal: 13358868138 can be written as Thirteen billion, three hundred fifty-eight million, eight hundred sixty-eight thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 1.3358868138 × 10¹⁰

Factors of 13358868138

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 303

Divisors of 13358868138

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 6 7 9 11 14 18 21 22 27 33 42 49 54 63 66 77 81 89 98 99 126 147 154 162 178 189 191 198 231 243 267 294 297 378 382 441 462 486 534 539 567 573 594 623 693 729 801 882 891 979 1078 1134 1146 1246 1323 1337 1386 1458 1602 1617 1701 1719 1782 1869 1958 2079 2101 2403 2646 2673 2674 2937 3234 3402 3438 3738 3969 4011 4158 4202 4361 4806 4851 5103 5157 5346 5607 5874 6237 6303 6853 7209 7938 8019 8022 8722 8811 9359 9702 10206 10314 11214 11907 12033 12474 12606 13083 13706 14418 14553 14707 15471 16038 16821 16999 17622 18711 18718 18909 20559 21627 23814 24066 26166 26433 28077 29106 29414 30942 33642 33998 35721 36099 37422 37818 39249 41118 43254 43659 44121 46413 47971 50463 50997 52866 56133 56154 56727 61677 64881 71442 72198 78498 79299 84231 87318 88242 92826 95942 100926 101994 102949 108297 112266 113454 117747 118993 123354 129762 130977 132363 139239 143913 151389 152991 158598 168462 170181 185031 186989 205898 216594 235494 237897 237986 252693 261954 264726 278478 287826 302778 305982 308847 324891 340362 353241 356979 370062 373978 392931 397089 431739 454167 458973 475794 505386 510543 555093 560967 617694 649782 706482 713691 713958 758079 785862 794178 832951 863478 908334 917946 926541 974673 1021086 1059723 1070937 1110186 1121934 1191267 1295217 1308923 1376919 1427382 1516158 1531629 1665279 1665902 1682901 1853082 1949346 2119446 2141874 2274237 2382534 2498853 2590434 2617846 2753838 2779623 3063258 3179169 3212811 3330558 3365802 3573801 3885651 3926769 4130757 4548474 4995837 4997706 5048703 5559246 6358338 6425622 6822711 7147602 7496559 7771302 7853538 8261514 8338869 9162461 9638433 9991674 10097406 10721403 11656953 11780307 12392271 13645422 14993118 15146109 16677738 18324922 19276866 21442806 22489677 23313906 23560614 24784542 25016607 27487383 28915299 30292218 34970859 35340921 44979354 45438327 50033214 54974766 57830598 67469031 69941718 70681842 75049821 82462149 86745897 90876654 106022763 134938062 136314981 150099642 164924298 173491794 202407093 212045526 247386447 272629962 318068289 404814186 494772894 607221279 636136578 742159341 954204867 1214442558 1484318682 1908409734 2226478023 4452956046 6679434069 13358868138
• Sum of all divisors σ(n): 38756206080
• Sum of proper divisors (its aliquot sum) s(n): 25397337942
• 13358868138 is an abundant number, because the sum of its proper divisors (25397337942) is greater than itself. Its abundance is 12038469804

Bases of 13358868138

• Binary: 1100011100010000000010011010101010₂
• Hexadecimal: 0x31C4026AA
• Base-36: 64XIWMI

Squares and roots of 13358868138

• 13358868138 squared (13358868138²) is 178459357928471587044
• 13358868138 cubed (13358868138³) is 2384015030558596767200385204072
• The square root of 13358868138 is 115580.5698982315
• The cube root of 13358868138 is 2372.7749806211

Scales and comparisons

• 13,358,868,138 seconds is equal to 424 years, 40 weeks, 12 hours, 42 minutes, 18 seconds.
• To count from 1 to 13,358,868,138 would take you about eight hundred forty-nine 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 13358868138 cubic inches would be around 197.7 feet tall.

Recreational maths with 13358868138

• 13358868138 backwards is 83186885331
• 13358868138 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13358868138's digits is 54
• More coming soon!