138861049824

Names of 138861049824

• Cardinal: 138861049824 can be written as One hundred thirty-eight billion, eight hundred sixty-one million, forty-nine thousand, eight hundred twenty-four.

Scientific notation

• Scientific notation: 1.38861049824 × 10¹¹

Factors of 138861049824

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 209

Divisors of 138861049824

• Number of divisors d(n): 648
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 31 32 36 42 48 49 53 56 62 63 72 84 93 96 98 106 112 113 124 126 144 147 159 168 186 196 212 217 224 226 248 252 279 288 294 318 336 339 371 372 392 424 434 441 452 477 496 504 558 588 636 651 672 678 742 744 784 791 848 868 882 904 954 992 1008 1017 1113 1116 1176 1272 1302 1356 1484 1488 1519 1568 1582 1643 1696 1736 1764 1808 1908 1953 2016 2034 2226 2232 2352 2373 2544 2597 2604 2712 2809 2968 2976 3038 3164 3286 3339 3472 3503 3528 3616 3816 3906 4068 4452 4464 4557 4704 4746 4929 5088 5194 5208 5424 5537 5618 5936 5989 6076 6328 6572 6678 6944 7006 7056 7119 7632 7791 7812 8136 8427 8904 8928 9114 9492 9858 10388 10416 10509 10848 11074 11236 11501 11872 11978 12152 12656 13144 13356 13671 14012 14112 14238 14787 15264 15582 15624 16272 16611 16854 17808 17967 18228 18984 19663 19716 20776 20832 21018 22148 22472 23002 23373 23956 24304 24521 25281 25312 26288 26712 27342 28024 28476 29574 31164 31248 31527 32544 33222 33708 34503 35616 35934 36456 37968 39326 39432 41552 41923 42036 44296 44944 46004 46746 47912 48608 49042 49833 50562 52576 53424 53901 54684 56048 56952 58989 59148 62328 62496 63054 66444 67416 69006 71868 72912 73563 75936 78652 78864 80507 83104 83846 84072 87079 88592 89888 92008 93492 95824 98084 99666 101124 103509 106848 107802 109368 112096 113904 117978 118296 124656 125769 126108 132888 134832 137641 138012 143736 145824 147126 157304 157728 161014 167692 168144 171647 174158 176967 177184 184016 185659 186984 191648 196168 199332 202248 207018 215604 218736 220689 227808 235956 236592 241521 249312 251538 252216 261237 265776 269664 275282 276024 287472 293461 294252 314608 317417 322028 335384 336288 343294 348316 353934 368032 371318 373968 377307 392336 398664 404496 412923 414036 431208 437472 441378 471912 473184 483042 503076 504432 514941 522474 531552 550564 552048 556977 574944 586922 588504 609553 629216 634834 644056 670768 686588 696632 707868 724563 742636 747936 754614 783711 784672 797328 808992 825846 828072 862416 880383 882756 943824 952251 966084 1006152 1008864 1029882 1044948 1101128 1104096 1113954 1173844 1177008 1219106 1238769 1269668 1288112 1299613 1341536 1373176 1393264 1415736 1449126 1485272 1509228 1544823 1567422 1594656 1651692 1656144 1670931 1724832 1760766 1765512 1828659 1887648 1904502 1932168 2012304 2059764 2089896 2202256 2221919 2227908 2347688 2354016 2438212 2477538 2539336 2576224 2599226 2641149 2746352 2786528 2831472 2856753 2898252 2970544 3018456 3089646 3134844 3303384 3312288 3341862 3521532 3531024 3657318 3809004 3864336 3898839 4024608 4119528 4179792 4266871 4404512 4443838 4455816 4695376 4876424 4955076 5078672 5198452 5282298 5485977 5492704 5662944 5713506 5796504 5941088 6036912 6179292 6269688 6606768 6665757 6683724 7043064 7062048 7314636 7618008 7728672 7797678 8239056 8359584 8533742 8887676 8911632 9097291 9390752 9752848 9839927 9910152 10157344 10396904 10564596 10971954 11427012 11593008 11696517 12073824 12358584 12539376 12800613 13213536 13331514 13367448 14086128 14629272 15236016 15553433 15595356 16478112 17067484 17775352 17823264 18194582 19505696 19679854 19820304 19997271 20793808 21129192 21943908 22854024 23186016 23393034 24717168 25078752 25601226 26663028 26734896 27291873 28172256 29258544 29519781 30472032 31106866 31190712 34134968 35550704 36389164 38401839 39359708 39640608 39994542 41587616 42258384 43887816 45708048 46660299 46786068 49434336 51202452 53326056 53469792 54583746 58517088 59039562 62213732 62381424 68269936 68879489 71101408 72778328 76803678 78719416 79989084 81875619 84516768 87775632 88559343 91416096 93320598 93572136 102404904 106652112 109167492 118079124 124427464 124762848 136539872 137758978 139980897 145556656 153607356 157438832 159978168 163751238 175551264 177118686 186641196 187144272 204809808 206638467 213304224 218334984 236158248 248854928 275517956 279961794 291113312 307214712 314877664 319956336 327502476 354237372 373282392 374288544 409619616 413276934 436669968 472316496 482156423 497709856 551035912 559923588 614429424 619915401 639912672 655004952 708474744 746564784 826553868 873339936 944632992 964312846 1102071824 1119847176 1228858848 1239830802 1310009904 1416949488 1446469269 1493129568 1653107736 1928625692 2204143648 2239694352 2479661604 2620019808 2833898976 2892938538 3306215472 3857251384 4339407807 4479388704 4959323208 5785877076 6612430944 7714502768 8678815614 9918646416 11571754152 15429005536 17357631228 19837292832 23143508304 34715262456 46287016608 69430524912 138861049824
• Sum of all divisors σ(n): 487567708992
• Sum of proper divisors (its aliquot sum) s(n): 348706659168
• 138861049824 is an abundant number, because the sum of its proper divisors (348706659168) is greater than itself. Its abundance is 209845609344

Bases of 138861049824

• Binary: 10000001010100110000110111011111100000₂
• Hexadecimal: 0x2054C377E0
• Base-36: 1RSIA7S0

Squares and roots of 138861049824

• 138861049824 squared (138861049824²) is 19282391158223410430976
• 138861049824 cubed (138861049824³) is 2677573079347918063178959648948224
• The square root of 138861049824 is 372640.6443532427
• The cube root of 138861049824 is 5178.3748103463

Scales and comparisons

• 138,861,049,824 seconds is equal to 4,415 years, 18 weeks, 2 days, 1 hour, 50 minutes, 24 seconds.
• To count from 1 to 138,861,049,824 would take you about eight thousand, eight hundred thirty 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 138861049824 cubic inches would be around 431.5 feet tall.

Recreational maths with 138861049824

• 138861049824 backwards is 428940168831
• The number of decimal digits it has is: 12
• The sum of 138861049824's digits is 54
• More coming soon!