138478215204

Names of 138478215204

• Cardinal: 138478215204 can be written as One hundred thirty-eight billion, four hundred seventy-eight million, two hundred fifteen thousand, two hundred four.

Scientific notation

• Scientific notation: 1.38478215204 × 10¹¹

Factors of 138478215204

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 480

Divisors of 138478215204

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 19 21 28 36 38 41 42 57 63 76 82 84 114 123 126 133 137 164 171 228 246 252 266 271 274 287 342 361 369 399 411 492 532 542 548 574 684 722 738 779 798 813 822 861 959 1083 1084 1148 1197 1233 1444 1476 1558 1596 1626 1644 1722 1897 1918 2166 2337 2394 2439 2466 2527 2583 2603 2877 3116 3249 3252 3444 3794 3836 4332 4674 4788 4878 4932 5054 5149 5166 5206 5453 5617 5691 5754 6498 7011 7581 7588 7809 8631 9348 9756 10108 10298 10332 10412 10906 11111 11234 11382 11508 12996 14022 14801 15162 15447 15618 16359 16851 17073 17262 18221 20596 21812 22222 22468 22743 22764 23427 28044 29602 30324 30894 31236 32718 33333 33702 34146 34524 36043 36442 37127 39319 44403 44444 45486 46341 46854 49077 49457 50553 54663 59204 61788 65436 66666 67404 68292 72086 72884 74254 77777 78638 88806 90972 92682 93708 97831 98154 98914 99999 101106 103607 106723 108129 109326 111381 117957 133209 133332 144172 148371 148508 155554 157276 163989 177612 185364 195662 196308 197828 199998 202212 207214 211109 213446 216258 218652 222762 233331 235914 259889 266418 293493 296742 310821 311108 320169 324387 327978 334143 346199 353871 391324 399996 414428 422218 426892 432516 445113 445524 466662 471828 519778 532836 586986 593484 621642 633327 640338 648774 655956 668286 684817 692398 699993 705413 707742 747061 779667 844436 880479 890226 932463 933324 960507 1038597 1039556 1173972 1243284 1266654 1280676 1297548 1336572 1369634 1384796 1399986 1410826 1415484 1477763 1494122 1522207 1559334 1760958 1780452 1864926 1899981 1921014 2027737 2054451 2077194 2116239 2241183 2339001 2533308 2739268 2799972 2821652 2955526 2988244 3044414 3115791 3118668 3521916 3729852 3799962 3842028 4011071 4055474 4108902 4154388 4232478 4433289 4482366 4566621 4678002 4937891 5911052 6083211 6088828 6163353 6231582 6348717 6723549 7599924 8022142 8110948 8217804 8464956 8866578 8964732 9133242 9356004 9875782 10655449 12033213 12166422 12326706 12463164 12697434 13299867 13402847 13447098 13699863 14194159 14813673 16044284 17733156 18249633 18266484 19751564 21310898 24066426 24332844 24653412 25394868 26599734 26805694 26894196 27399726 28077497 28388318 28921933 29627346 31966347 36099639 36499266 40208541 42582477 42621796 44441019 48132852 53199468 53611388 54799452 56154994 56776636 57843866 59254692 63932694 72199278 72998532 80417082 84232491 85164954 86765799 88882038 93819929 95899041 112309988 115687732 120625623 127747431 127865388 144398556 160834164 168464982 170329908 173531598 177764076 187639858 191798082 202453531 241251246 252697473 255494862 260297397 281459787 336929964 347063196 375279716 383596164 404907062 482502492 505394946 510989724 520594794 549516727 562919574 607360593 809814124 844379361 1010789892 1041189588 1099033454 1125839148 1214721186 1648550181 1688758722 1822081779 2198066908 2429442372 3297100362 3377517444 3644163558 3846617089 4945650543 6594200724 7288327116 7693234178 9891301086 11539851267 15386468356 19782602172 23079702534 34619553801 46159405068 69239107602 138478215204
• Sum of all divisors σ(n): 437273980416
• Sum of proper divisors (its aliquot sum) s(n): 298795765212
• 138478215204 is an abundant number, because the sum of its proper divisors (298795765212) is greater than itself. Its abundance is 160317550008

Bases of 138478215204

• Binary: 10000000111101111100011110000000100100₂
• Hexadecimal: 0x203DF1E024
• Base-36: 1RM6CQP0

Squares and roots of 138478215204

• 138478215204 squared (138478215204²) is 19176216086085336761616
• 138478215204 cubed (138478215204³) is 2655488177967331853983872894809664
• The square root of 138478215204 is 372126.6117922769
• The cube root of 138478215204 is 5173.6115696645

Scales and comparisons

• 138,478,215,204 seconds is equal to 4,403 years, 9 weeks, 2 days, 2 hours, 53 minutes, 24 seconds.
• To count from 1 to 138,478,215,204 would take you about eight thousand, eight hundred six 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 138478215204 cubic inches would be around 431.1 feet tall.

Recreational maths with 138478215204

• 138478215204 backwards is 402512874831
• The number of decimal digits it has is: 12
• The sum of 138478215204's digits is 45
• More coming soon!