138081006261

Names of 138081006261

• Cardinal: 138081006261 can be written as One hundred thirty-eight billion, eighty-one million, six thousand, two hundred sixty-one.

Scientific notation

• Scientific notation: 1.38081006261 × 10¹¹

Factors of 138081006261

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 101

Divisors of 138081006261

• Number of divisors d(n): 270
• Complete list of divisors:
  1 3 9 11 17 27 29 33 41 51 81 87 99 121 123 153 187 261 289 297 319 363 369 451 459 493 561 697 783 867 891 957 1089 1107 1189 1353 1377 1479 1681 1683 2057 2091 2349 2601 2871 3179 3267 3321 3509 3567 4059 4437 4961 5043 5049 5423 6171 6273 7667 7803 8381 8613 9537 9801 10527 10701 11849 12177 13079 13311 14883 15129 15147 16269 18491 18513 18819 20213 23001 23409 25143 25839 28577 28611 31581 32103 34969 35547 36531 39237 39933 44649 45387 48749 48807 55473 55539 56457 59653 60639 69003 75429 84337 85731 85833 92191 94743 96309 104907 106641 117711 130339 133947 136161 143869 146247 146421 166419 166617 178959 181917 203401 207009 222343 226287 253011 257193 257499 276573 284229 314347 314721 319923 343621 353133 391017 401841 431607 438741 439263 485809 499257 536239 536877 545751 610203 621027 667029 678861 759033 771579 828733 829719 943041 944163 959769 1014101 1030863 1059399 1173051 1294821 1316223 1433729 1457427 1497771 1608717 1610631 1637253 1830609 2001087 2277099 2314737 2445773 2486199 2489157 2829123 2832489 3042303 3092589 3457817 3519153 3779831 3884463 3948669 4301187 4372281 4826151 4831893 5343899 5491827 5898629 6003261 6831297 7337319 7458597 7467471 8487369 9116063 9126909 9277767 10373451 10557459 11339493 11653389 12903561 13116843 14088461 14478453 16031697 16475481 17695887 18009783 22011957 22375791 25462107 27348189 27380727 27833301 31120353 34018479 38710683 39350529 41578141 42265383 43435359 48095091 53087661 58782889 66035871 67127373 82044567 82142181 93361059 100276693 102055437 116132049 124734423 126796149 144285273 154973071 159262983 176348667 198107613 246133701 280083177 300830079 306166311 374203269 380388447 432855819 464919213 477788949 529046001 738401103 902490237 1122609807 1141165341 1394757639 1587138003 1704703781 2707470711 3367829421 4184272917 4761414009 5114111343 8122412133 12552818751 15342334029 46027002087 138081006261
• Sum of all divisors σ(n): 255377081190
• Sum of proper divisors (its aliquot sum) s(n): 117296074929
• 138081006261 is a deficient number, because the sum of its proper divisors (117296074929) is less than itself. Its deficiency is 20784931332

Bases of 138081006261

• Binary: 10000000100110010001001111001010110101₂
• Hexadecimal: 0x202644F2B5
• Base-36: 1RFLV6B9

Squares and roots of 138081006261

• 138081006261 squared (138081006261²) is 19066364290050321200121
• 138081006261 cubed (138081006261³) is 2632702766908945221638968834957581
• The square root of 138081006261 is 371592.5271867021
• The cube root of 138081006261 is 5168.6601945427

Scales and comparisons

• 138,081,006,261 seconds is equal to 4,390 years, 28 weeks, 3 days, 19 hours, 4 minutes, 21 seconds.
• To count from 1 to 138,081,006,261 would take you about eight thousand, seven hundred eighty-one 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 138081006261 cubic inches would be around 430.7 feet tall.

Recreational maths with 138081006261

• 138081006261 backwards is 162600180831
• The number of decimal digits it has is: 12
• The sum of 138081006261's digits is 36
• More coming soon!