138961271412

Names of 138961271412

• Cardinal: 138961271412 can be written as One hundred thirty-eight billion, nine hundred sixty-one million, two hundred seventy-one thousand, four hundred twelve.

Scientific notation

• Scientific notation: 1.38961271412 × 10¹¹

Factors of 138961271412

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 69

Divisors of 138961271412

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 9 12 17 18 27 34 36 47 51 54 68 81 94 102 108 141 153 162 188 204 243 282 306 324 423 459 486 564 612 729 799 846 918 972 1269 1377 1458 1598 1692 1836 2187 2209 2397 2538 2754 2916 3196 3807 4131 4374 4418 4794 5076 5508 6561 6627 7191 7614 8262 8748 8836 9588 11421 12393 13122 13254 14382 15228 16524 19683 19881 21573 22842 24786 26244 26508 28764 34263 37179 37553 39366 39762 43146 45684 49572 59643 64719 68526 74358 75106 78732 79524 86292 102789 103823 111537 112659 119286 129438 137052 148716 150212 178929 194157 205578 207646 223074 225318 238572 258876 308367 311469 334611 337977 357858 388314 411156 415292 446148 450636 536787 582471 616734 622938 669222 675954 715716 776628 925101 934407 1013931 1073574 1164942 1233468 1245876 1338444 1351908 1610361 1747413 1764991 1850202 1868814 2027862 2147148 2329884 2803221 3041793 3220722 3494826 3529982 3700404 3737628 4055724 4831083 5242239 5294973 5606442 6083586 6441444 6989652 7059964 8409663 9125379 9662166 10484478 10589946 11212884 12167172 14493249 15726717 15884919 16819326 18250758 19324332 20968956 21179892 25228989 27376137 28986498 31453434 31769838 33638652 36501516 43479747 47654757 50457978 54752274 57972996 62906868 63539676 75686967 82128411 86959494 95309514 100915956 109504548 142964271 151373934 164256822 173918988 190619028 227060901 246385233 285928542 302747868 328513644 428892813 454121802 492770466 571857084 681182703 739155699 857785626 908243604 985540932 1286678439 1362365406 1478311398 1715571252 2043548109 2573356878 2724730812 2956622796 3860035317 4087096218 5146713756 7720070634 8174192436 11580105951 15440141268 23160211902 34740317853 46320423804 69480635706 138961271412
• Sum of all divisors σ(n): 394620145920
• Sum of proper divisors (its aliquot sum) s(n): 255658874508
• 138961271412 is an abundant number, because the sum of its proper divisors (255658874508) is greater than itself. Its abundance is 116697603096

Bases of 138961271412

• Binary: 10000001011010101111001011101001110100₂
• Hexadecimal: 0x205ABCBA74
• Base-36: 1RU5YB90

Squares and roots of 138961271412

• 138961271412 squared (138961271412²) is 19310234952439528473744
• 138961271412 cubed (138961271412³) is 2683374800255438227757242099806528
• The square root of 138961271412 is 372775.0949460009
• The cube root of 138961271412 is 5179.6203243331

Scales and comparisons

• 138,961,271,412 seconds is equal to 4,418 years, 28 weeks, 1 hour, 10 minutes, 12 seconds.
• To count from 1 to 138,961,271,412 would take you about eight thousand, eight hundred thirty-seven 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 138961271412 cubic inches would be around 431.6 feet tall.

Recreational maths with 138961271412

• 138961271412 backwards is 214172169831
• The number of decimal digits it has is: 12
• The sum of 138961271412's digits is 45
• More coming soon!