139425210981

Names of 139425210981

• Cardinal: 139425210981 can be written as One hundred thirty-nine billion, four hundred twenty-five million, two hundred ten thousand, nine hundred eighty-one.

Scientific notation

• Scientific notation: 1.39425210981 × 10¹¹

Factors of 139425210981

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 176

Divisors of 139425210981

• Number of divisors d(n): 360
• Complete list of divisors:
  1 3 7 9 19 21 27 31 43 49 57 63 73 81 93 129 133 147 171 189 217 219 279 301 361 387 399 441 511 513 567 589 651 657 817 837 903 931 1083 1161 1197 1323 1333 1387 1519 1533 1539 1767 1953 1971 2107 2263 2451 2511 2527 2709 2793 3139 3249 3483 3577 3591 3969 3999 4123 4161 4557 4599 5301 5719 5859 5913 6321 6789 7353 7581 8127 8379 9331 9417 9709 9747 10731 10773 11191 11997 12369 12483 13671 13797 15523 15841 15903 17157 17577 17689 18963 20367 21973 22059 22743 24381 25137 25327 26353 27993 28251 28861 29127 29241 32193 33573 35991 37107 37449 40033 41013 41391 42997 46569 47523 47709 51471 53067 56889 59641 61101 65317 65919 66177 67963 68229 75411 75981 78337 79059 83979 84753 86583 87381 96579 97309 100719 107973 108661 110887 111321 112347 120099 123039 128991 139707 142569 153811 154413 159201 170667 177289 178923 183303 184471 195951 197757 203889 204687 227943 235011 237177 251937 254259 259749 262143 289737 291927 300979 302157 325983 332661 333963 360297 386973 417487 419121 427707 461433 463239 477603 481213 531867 536769 548359 553413 587853 593271 611667 681163 683829 705033 711531 755811 760627 779247 786429 816943 875781 902937 906471 977949 997983 1080891 1133179 1160919 1241023 1252461 1257363 1283121 1291297 1384299 1432809 1443639 1595601 1610307 1645077 1660239 1763559 1779813 1835001 1848871 2043489 2051487 2106853 2115099 2134593 2281881 2337741 2450829 2627343 2708811 2922409 2933847 2993949 3242673 3368491 3399537 3482757 3723069 3757383 3873891 4152897 4330917 4768141 4786803 4830921 4935231 4980717 5290677 5505003 5546613 5718601 6130467 6320559 6345297 6845643 7352487 7882029 7932253 8126433 8767227 8801541 8981847 10105473 10198611 11169207 11272149 11621673 12458691 12942097 12992751 14304423 14360409 14805693 14942151 16639839 17155803 18391401 18961677 20536929 22057461 23579437 23796759 24379299 26301681 30316419 30595833 33507621 33816447 34865019 35128549 38826291 38978253 40030207 42913269 44417079 49919517 51467409 55174203 55525771 56885031 61610787 66172383 70738311 71390277 78905043 90594679 90949257 91787499 100522863 104595057 105385647 116478873 120090621 128739807 149758551 154402227 166577313 170655093 212214933 214170831 236715129 245899843 271784037 272847771 316156941 349436619 360271863 386219421 463206681 499731939 636644799 642512493 737699529 815352111 948470823 1048309857 1080815589 1499195817 1721298901 1909934397 2213098587 2446056333 2845412469 3242446767 4497587451 5163896703 6639295761 7338168999 15491690109 19917887283 46475070327 139425210981
• Sum of all divisors σ(n): 273791257344
• Sum of proper divisors (its aliquot sum) s(n): 134366046363
• 139425210981 is a deficient number, because the sum of its proper divisors (134366046363) is less than itself. Its deficiency is 5059164618

Bases of 139425210981

• Binary: 10000001110110011000111110001001100101₂
• Hexadecimal: 0x207663E265
• Base-36: 1S1U65B9

Squares and roots of 139425210981

• 139425210981 squared (139425210981²) is 19439389457096362982361
• 139425210981 cubed (139425210981³) is 2710340976397487456463440806506141
• The square root of 139425210981 is 373396.8545408489
• The cube root of 139425210981 is 5185.3781911899

Scales and comparisons

• 139,425,210,981 seconds is equal to 4,433 years, 15 weeks, 17 hours, 16 minutes, 21 seconds.
• To count from 1 to 139,425,210,981 would take you about eight thousand, eight hundred sixty-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 139425210981 cubic inches would be around 432.1 feet tall.

Recreational maths with 139425210981

• 139425210981 backwards is 189012524931
• The number of decimal digits it has is: 12
• The sum of 139425210981's digits is 45
• More coming soon!