138215428342784

Names of 138215428342784

• Cardinal: 138215428342784 can be written as One hundred thirty-eight trillion, two hundred fifteen billion, four hundred twenty-eight million, three hundred forty-two thousand, seven hundred eighty-four.

Scientific notation

• Scientific notation: 1.38215428342784 × 10¹⁴

Factors of 138215428342784

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 376

Divisors of 138215428342784

• Number of divisors d(n): 396
• Complete list of divisors:
  1 2 4 8 13 16 26 32 52 61 64 104 122 127 128 173 208 244 254 256 346 416 488 508 512 692 793 832 976 1016 1024 1384 1586 1651 1664 1952 2032 2249 2768 3172 3302 3328 3721 3904 4064 4498 5536 6344 6604 6656 7442 7747 7808 8128 8996 10553 11072 12688 13208 13312 14884 15494 15616 16129 16256 17992 21106 21971 22144 25376 26416 29768 30988 31232 32258 32512 35984 42212 43942 44288 48373 50752 52832 59536 61976 62464 64516 65024 71968 84424 87884 88576 96746 100711 101504 105664 119072 123952 129032 130048 137189 143936 168848 175768 177152 193492 201422 203008 209677 211328 238144 247904 258064 274378 285623 287872 337696 351536 386984 402844 406016 419354 422656 472567 476288 495808 516128 548756 571246 575744 643733 675392 703072 773968 805688 812032 838708 845312 945134 952576 983869 991616 1032256 1097512 1142492 1151488 1287466 1340231 1350784 1406144 1547936 1611376 1677416 1690624 1890268 1905152 1967738 1983232 2064512 2195024 2284984 2302976 2574932 2680462 2701568 2790317 2812288 3095872 3222752 3354832 3780536 3810304 3935476 3966464 4129024 4390048 4569968 5149864 5360924 5403136 5580634 5624576 6143371 6191744 6445504 6709664 7561072 7870952 7932928 8258048 8368529 8780096 9139936 10299728 10721848 10806272 11161268 11249152 12286742 12383488 12790297 12891008 13419328 15122144 15741904 16516096 16737058 17423003 17560192 18279872 20599456 21443696 22322536 22498304 24573484 24766976 25580594 25782016 26838656 30244288 31483808 33474116 34846006 35120384 36274121 36559744 41198912 42887392 44645072 49146968 49533952 51161188 51564032 53677312 60016009 60488576 62967616 66948232 69692012 70240768 72548242 73119488 81754091 82397824 85774784 89290144 98293936 102322376 103128064 107354624 120032018 120977152 125935232 133896464 139384024 140481536 145096484 146238976 163508182 164795648 170209337 171549568 178580288 196587872 204644752 214709248 240064036 241954304 251870464 267792928 278768048 290192968 292477952 327016364 329591296 340418674 343099136 357160576 393175744 409289504 480128072 483908608 503740928 535585856 557536096 580385936 654032728 659182592 680837348 686198272 714321152 780208117 786351488 818579008 960256144 1007481856 1062803183 1071171712 1115072192 1160771872 1308065456 1361674696 1372396544 1428642304 1560416234 1572702976 1637158016 1920512288 2125606366 2142343424 2212721381 2230144384 2321543744 2616130912 2723349392 2857284608 3120832468 3145405952 3274316032 3841024576 4251212732 4284686848 4425442762 4460288768 4643087488 5232261824 5446698784 6241664936 6290811904 6548632064 7682049152 8502425464 8569373696 8850885524 8920577536 9286174976 10382769557 10464523648 10893397568 12483329872 13097264128 15364098304 17004850928 17701771048 17841155072 18572349952 20765539114 20929047296 21786795136 24966659744 30728196608 34009701856 35403542096 37144699904 41531078228 41858094592 43573590272 49933319488 61456393216 68019403712 70807084192 83062156456 83716189184 87147180544 99866638976 134976004241 136038807424 141614168384 166124312912 174294361088 199733277952 269952008482 272077614848 283228336768 332248625824 399466555904 539904016964 544155229696 566456673536 664497251648 798933111808 1079808033928 1088310459392 1132913347072 1328994503296 2159616067856 2265826694144 2657989006592 4319232135712 5315978013184 8638464271424 10631956026368 17276928542848 34553857085696 69107714171392 138215428342784
• Sum of all divisors σ(n): 306670409879652
• Sum of proper divisors (its aliquot sum) s(n): 168454981536868
• 138215428342784 is an abundant number, because the sum of its proper divisors (168454981536868) is greater than itself. Its abundance is 30239553194084

Bases of 138215428342784

• Binary: 11111011011010011001001100000100100010000000000₂
• Hexadecimal: 0x7DB4C9824400
• Base-36: 1CZRAHF2M8

Squares and roots of 138215428342784

• 138215428342784 squared (138215428342784²) is 19103504631979258660604870656
• 138215428342784 cubed (138215428342784³) is 2640399075557371454666587137320460750946304
• The square root of 138215428342784 is 11756505.7879790115
• The cube root of 138215428342784 is 51703.3688357929

Scales and comparisons

• 138,215,428,342,784 seconds is equal to 4,394,823 years, 4 weeks, 5 days, 19 hours, 39 minutes, 44 seconds.
• To count from 1 to 138,215,428,342,784 would take you about ten million, nine hundred eighty-seven thousand and fifty-seven 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 138215428342784 cubic inches would be around 4308.6 feet tall.

Recreational maths with 138215428342784

• 138215428342784 backwards is 487243824512831
• The number of decimal digits it has is: 15
• The sum of 138215428342784's digits is 62
• More coming soon!