138478350465

Names of 138478350465

• Cardinal: 138478350465 can be written as One hundred thirty-eight billion, four hundred seventy-eight million, three hundred fifty thousand, four hundred sixty-five.

Scientific notation

• Scientific notation: 1.38478350465 × 10¹¹

Factors of 138478350465

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 163

Divisors of 138478350465

• Number of divisors d(n): 672
• Complete list of divisors:
  1 3 5 7 9 13 15 19 21 27 35 39 43 45 49 57 63 65 73 81 91 95 105 117 129 133 135 147 171 189 195 215 219 243 245 247 273 285 301 315 351 365 387 399 405 441 455 511 513 559 567 585 637 645 657 665 729 735 741 817 819 855 903 931 945 949 1053 1095 1161 1197 1215 1235 1323 1365 1387 1505 1533 1539 1677 1701 1729 1755 1911 1935 1971 1995 2107 2205 2223 2451 2457 2555 2565 2709 2793 2795 2835 2847 3139 3159 3185 3285 3483 3577 3591 3645 3705 3913 3969 4085 4095 4161 4515 4599 4617 4655 4745 5031 5103 5187 5265 5719 5733 5805 5913 5985 6321 6615 6643 6669 6935 7353 7371 7665 7695 8127 8379 8385 8505 8541 8645 9417 9477 9555 9709 9855 10449 10535 10621 10731 10773 11115 11739 11907 12103 12255 12285 12483 13545 13797 13851 13965 14235 15093 15561 15695 15795 17157 17199 17415 17739 17885 17955 18031 18963 19565 19845 19929 20007 20805 21973 22059 22113 22995 23085 24381 25137 25155 25515 25623 25935 27391 28251 28595 28665 29127 29565 31347 31605 31863 32193 32319 33215 33345 35217 35721 36309 36765 36855 37449 40033 40635 40807 41391 41895 42705 45279 46501 46683 47085 47385 48545 51471 51597 52245 53105 53217 53655 53865 54093 56889 58695 59535 59641 59787 60021 60515 62415 65919 66177 66339 67963 68985 69255 73143 74347 75411 75465 76869 77805 82173 84753 85785 85995 87381 88695 90155 94815 95589 96579 96957 99645 100035 105651 108927 109865 110295 110565 112347 120099 121905 122421 124173 125685 126217 128115 135837 136955 139503 140049 141255 145635 153811 154413 154791 156735 159315 160965 161595 162279 170667 176085 178605 178923 179361 180063 181545 187245 197757 198531 200165 203889 204035 206955 219429 223041 226233 226395 230607 232505 233415 246519 254259 257355 257985 262143 266085 270465 284445 285649 286767 289737 298205 298935 300105 316953 326781 329595 330885 331695 337041 339815 360297 365715 367263 371735 372519 377055 378651 384345 407511 410865 417487 418509 420147 423765 436905 461433 463239 464373 477945 482895 484785 486837 512001 520429 528255 536769 538083 544635 561735 593271 595593 600495 611667 612105 620865 631085 669123 678699 679185 691821 697515 700245 739557 762777 769055 772065 773955 775333 786429 811395 853335 856947 860301 869211 883519 894615 896805 900315 950859 980343 988785 992655 1011123 1019445 1080891 1097145 1101789 1115205 1131165 1135953 1153035 1232595 1252461 1255527 1260441 1271295 1310715 1384299 1389717 1428245 1433835 1448685 1460511 1536003 1561287 1584765 1610307 1614249 1633905 1685205 1779813 1801485 1835001 1836315 1862595 1893255 1999543 2007369 2037555 2087435 2092545 2100735 2218671 2288331 2307165 2316195 2321865 2325999 2359287 2434185 2560005 2570841 2580903 2602145 2607633 2650557 2683845 2690415 2852577 2922409 2941029 2966355 2977965 3058335 3242673 3305367 3345615 3393495 3407859 3459105 3697785 3757383 3766581 3813885 3876665 3932145 4152897 4169151 4284735 4301505 4346055 4381533 4417595 4683861 4754295 4830921 4842747 4901715 5055615 5339439 5404455 5427331 5505003 5508945 5679765 5998629 6022107 6262305 6277635 6302205 6656013 6921495 6948585 6977997 7077861 7302555 7680015 7712523 7742709 7806435 7951671 8051535 8071245 8767227 8823087 8899065 9175005 9728019 9916101 9997715 10036845 10223577 11093355 11272149 11299743 11441655 11629995 11796435 12458691 12854205 12904515 13038165 13144599 13252785 14051583 14262885 14492763 14612045 14705145 16018317 16213365 16281993 16515009 16526835 17039295 17995887 18066321 18786915 18832905 19968039 20764485 20845755 20933991 21907665 23137569 23419305 23855013 24154605 24213735 26301681 26697195 27136655 27525015 29184057 29748303 29993145 30110535 30670731 33280065 33816447 33899229 34889985 35389305 37376073 37991317 38562615 38713545 39758355 42154749 43478289 43836135 44115435 48640095 48845979 49545027 49580505 51117885 53987661 54198963 56360745 56498715 62293455 62801973 65722995 69412707 70257915 71565039 72463815 78905043 80091585 81409965 82575045 89979435 90331605 92012193 99840195 101449341 104669955 112128219 113973951 115687845 119275065 126464247 131508405 145920285 146537937 148741515 153353655 161962983 169082235 169496145 186880365 188405919 189956585 208238121 210773745 214695117 217391445 236715129 244229895 247725135 269938305 270994815 304348023 314009865 341921853 347063535 357825195 379392741 394525215 439613811 460060965 485888949 507246705 560641095 565217757 569869755 632321235 644085351 710145387 732689685 809814915 942029595 1025765559 1041190605 1073475585 1183575645 1318841433 1457666847 1521740115 1709609265 1896963705 2130436161 2198069055 2429444745 2826088785 3077296677 3220426755 3550726935 3956524299 5128827795 6594207165 7288334235 9231890031 10652180805 15386483385 19782621495 27695670093 46159450155 138478350465
• Sum of all divisors σ(n): 340791454080
• Sum of proper divisors (its aliquot sum) s(n): 202313103615
• 138478350465 is an abundant number, because the sum of its proper divisors (202313103615) is greater than itself. Its abundance is 63834753150

Bases of 138478350465

• Binary: 10000000111101111100111111000010000001₂
• Hexadecimal: 0x203DF3F081
• Base-36: 1RM6FN29

Squares and roots of 138478350465

• 138478350465 squared (138478350465²) is 19176253547507365716225
• 138478350465 cubed (138478350465³) is 2655495959357424516820331286794625
• The square root of 138478350465 is 372126.7935327957
• The cube root of 138478350465 is 5173.6132541355

Scales and comparisons

• 138,478,350,465 seconds is equal to 4,403 years, 9 weeks, 3 days, 16 hours, 27 minutes, 45 seconds.
• To count from 1 to 138,478,350,465 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 138478350465 cubic inches would be around 431.1 feet tall.

Recreational maths with 138478350465

• 138478350465 backwards is 564053874831
• The number of decimal digits it has is: 12
• The sum of 138478350465's digits is 54
• More coming soon!