138309166485

Names of 138309166485

• Cardinal: 138309166485 can be written as One hundred thirty-eight billion, three hundred nine million, one hundred sixty-six thousand, four hundred eighty-five.

Scientific notation

• Scientific notation: 1.38309166485 × 10¹¹

Factors of 138309166485

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 379

Divisors of 138309166485

• Number of divisors d(n): 288
• Complete list of divisors:
  1 3 5 7 9 15 19 21 35 45 57 61 63 95 105 127 133 157 171 183 285 305 315 361 381 399 427 471 549 635 665 785 855 889 915 1083 1099 1143 1159 1197 1281 1413 1805 1905 1995 2135 2355 2413 2527 2667 2745 2983 3249 3297 3477 3843 4445 5415 5495 5715 5795 5985 6405 7065 7239 7581 7747 8001 8113 8949 9577 9891 10431 12065 12635 13335 14915 16245 16485 16891 17385 19215 19939 20881 21717 22021 22743 23241 24339 26847 28731 36195 37905 38735 40005 40565 44745 45847 47885 49455 50673 52155 54229 56677 59817 62643 66063 67039 69723 73017 84455 86193 99695 104405 108585 110105 113715 116205 121695 134235 137541 139573 143655 147193 152019 154147 162687 170031 179451 181963 187929 198189 201117 229235 253365 271145 283385 299085 313215 320929 330315 335195 348615 365085 378841 396739 412623 418719 430965 441579 462441 488061 510093 545889 603351 687705 697865 735965 760095 770735 813435 850155 897255 909815 939645 962787 990945 1005585 1030351 1136523 1190217 1216279 1256157 1273741 1324737 1387323 1604645 1637667 1894205 1983695 2063115 2093595 2207895 2312205 2440305 2550465 2651887 2729445 2796667 2888361 3016755 3091053 3409569 3457297 3570651 3648837 3821223 4813935 5151755 5682615 5951085 6081395 6280785 6368705 6623685 6936615 7197979 7955661 8188335 8390001 8513953 9273159 10371891 10946511 11463669 13259435 13983335 14441805 15455265 17047845 17286485 17853255 18244185 19106115 19576669 21593937 23109301 23866983 24201079 25170003 25541859 31115673 35989895 39778305 41950005 42569765 46365795 50385853 51859455 54732555 57318345 58730007 64781811 69327903 72603237 76625577 97883345 107969685 115546505 119334915 121005395 125850015 127709295 151157559 155578365 161765107 176190021 207983709 217809711 251929265 293650035 323909055 346639515 363016185 383127885 439076719 453472677 485295321 755787795 808825535 880950105 1039918545 1089048555 1317230157 1455885963 2195383595 2267363385 2426476605 3073537033 3951690471 6586150785 7279429815 9220611099 15367685165 19758452355 27661833297 46103055495 138309166485
• Sum of all divisors σ(n): 298104348672
• Sum of proper divisors (its aliquot sum) s(n): 159795182187
• 138309166485 is an abundant number, because the sum of its proper divisors (159795182187) is greater than itself. Its abundance is 21486015702

Bases of 138309166485

• Binary: 10000000110011110111100110010110010101₂
• Hexadecimal: 0x2033DE6595
• Base-36: 1RJDPFV9

Squares and roots of 138309166485

• 138309166485 squared (138309166485²) is 19129425533775447255225
• 138309166485 cubed (138309166485³) is 2645774900913358325028250811134125
• The square root of 138309166485 is 371899.4037169191
• The cube root of 138309166485 is 5171.5054657357

Scales and comparisons

• 138,309,166,485 seconds is equal to 4,397 years, 41 weeks, 5 days, 12 hours, 54 minutes, 45 seconds.
• To count from 1 to 138,309,166,485 would take you about eight thousand, seven hundred ninety-five 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 138309166485 cubic inches would be around 431 feet tall.

Recreational maths with 138309166485

• 138309166485 backwards is 584661903831
• The number of decimal digits it has is: 12
• The sum of 138309166485's digits is 54
• More coming soon!