138480872985

Names of 138480872985

• Cardinal: 138480872985 can be written as One hundred thirty-eight billion, four hundred eighty million, eight hundred seventy-two thousand, nine hundred eighty-five.

Scientific notation

• Scientific notation: 1.38480872985 × 10¹¹

Factors of 138480872985

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 268

Divisors of 138480872985

• Number of divisors d(n): 576
• Complete list of divisors:
  1 3 5 7 9 13 15 17 21 31 35 39 45 49 51 63 65 85 89 91 93 103 105 117 119 147 153 155 195 217 221 245 255 267 273 279 309 315 357 403 441 445 455 465 515 527 585 595 623 637 651 663 721 735 765 801 819 833 927 1071 1085 1105 1157 1209 1335 1339 1365 1395 1513 1519 1545 1547 1581 1751 1785 1869 1911 1953 1989 2015 2163 2205 2499 2635 2759 2821 3115 3185 3193 3255 3315 3471 3605 3627 3689 4005 4017 4095 4165 4361 4539 4557 4635 4641 4743 5047 5253 5355 5607 5733 5785 6045 6489 6695 6851 7497 7565 7595 7735 7905 8099 8277 8463 8755 9167 9345 9373 9555 9579 9765 9945 10413 10591 10815 10829 11067 12051 12257 12495 13083 13617 13671 13795 13923 14105 15141 15759 15965 17355 18135 18445 19313 19669 19747 20085 20553 21805 22351 22695 22763 22785 23205 23715 24297 24831 25235 25389 25823 26265 27501 28035 28119 28665 28737 31773 32445 32487 33201 34255 35867 36771 37485 39249 40495 41385 41509 42315 45423 45835 46865 46903 47895 47957 52065 52955 54145 54281 55335 56693 57939 59007 59241 60255 61285 61659 64169 65415 65611 67053 68085 68289 68355 69615 72891 74137 75705 77469 78795 82503 84357 85799 95319 96565 97461 98345 98735 102765 107601 110313 111755 113815 119171 121485 124155 124527 126945 129115 135191 137505 137683 140595 140709 143685 143871 155839 156457 158865 159341 162435 162843 166005 170079 173817 177021 177723 179335 183855 192507 196245 196833 201159 204867 207545 222411 227115 232407 234515 239785 251069 257397 271405 283465 284177 289695 290563 295035 296205 308295 320845 322803 328055 328321 335265 335699 341445 357513 364455 370685 373581 379967 387345 405573 412515 413049 421785 422127 428995 431613 449183 467517 469371 476595 478023 487305 488529 510237 538005 551565 577521 590499 595855 609739 622635 667233 675955 688415 703545 705653 719355 753207 772191 779195 782285 796705 814215 834197 850395 852531 869085 871689 885105 888615 962535 963781 984165 984963 1005795 1007097 1024335 1072539 1090873 1112055 1115387 1139901 1162035 1216719 1239147 1255345 1286985 1347549 1402551 1408113 1420885 1434069 1452815 1614015 1641605 1678495 1757483 1787565 1829217 1867905 1899835 1989239 2025907 2027865 2033941 2065245 2110635 2116959 2158065 2245915 2259621 2298247 2337585 2346855 2390115 2442645 2502591 2551185 2557593 2615067 2659769 2887605 2891343 2952495 2954889 3021291 3048695 3272619 3336165 3346161 3419703 3528265 3694301 3766035 3860955 4042647 4170985 4262655 4268173 4358445 4818905 4831009 4924815 4939571 5035485 5272449 5362695 5454365 5487651 5576935 5699505 5839379 5967717 6077721 6083595 6101823 6195735 6350877 6737745 6894741 7012755 7040565 7170345 7507773 7636111 7979307 8674029 8787415 9146085 9817857 9946195 10038483 10129535 10169705 10584795 11082903 11298105 11491235 12512955 12787965 12804519 13075335 13298845 13924673 14181349 14456715 14493027 14774445 14818713 15106455 15817347 16363095 16730805 17098515 17518137 17903151 18233163 18305469 18471505 20213235 20684223 21340865 22908333 23937921 24155045 24697855 25860107 26362245 27438255 29196895 29838585 29877211 30388605 30509115 31754385 33248709 33817063 34473705 34576997 37538865 38180555 38413557 39896535 41774019 42544047 43370145 43479081 44456139 49089285 50192415 52554411 55414515 62803117 64022595 68724999 69623365 70906745 72465135 74093565 77580321 79086735 87590685 89515755 89631633 91165815 91527345 99269443 101451189 103421115 103730991 114541665 119689605 125322057 127632141 129300535 149386055 166243545 169085315 172884985 181020749 188409351 192067785 208870095 212720235 217395405 222280695 232740963 236719441 262772055 268894899 297808329 304353567 311192973 314015585 343624995 387901605 439621819 448158165 496347215 507255945 518654955 543062247 565228053 626610285 638160705 710158323 893424987 905103745 942046755 1163704815 1183597205 1318865457 1344474495 1489041645 1521767835 1555964865 1629186741 2130474969 2198109095 2715311235 2826140265 3077352733 3550791615 3956596371 4467124935 6594327285 8145933705 9232058199 10652374845 15386763665 19782981855 27696174597 46160290995 138480872985
• Sum of all divisors σ(n): 335579811840
• Sum of proper divisors (its aliquot sum) s(n): 197098938855
• 138480872985 is an abundant number, because the sum of its proper divisors (197098938855) is greater than itself. Its abundance is 58618065870

Bases of 138480872985

• Binary: 10000000111110000110100110111000011001₂
• Hexadecimal: 0x203E1A6E19
• Base-36: 1RM7XPG9

Squares and roots of 138480872985

• 138480872985 squared (138480872985²) is 19176952182687702810225
• 138480872985 cubed (138480872985³) is 2655641079450194288784195784271625
• The square root of 138480872985 is 372130.1828460035
• The cube root of 138480872985 is 5173.6446681041

Scales and comparisons

• 138,480,872,985 seconds is equal to 4,403 years, 13 weeks, 4 days, 21 hours, 9 minutes, 45 seconds.
• To count from 1 to 138,480,872,985 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 138480872985 cubic inches would be around 431.1 feet tall.

Recreational maths with 138480872985

• 138480872985 backwards is 589278084831
• 138480872985 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138480872985's digits is 63
• More coming soon!