138236865975

Names of 138236865975

• Cardinal: 138236865975 can be written as One hundred thirty-eight billion, two hundred thirty-six million, eight hundred sixty-five thousand, nine hundred seventy-five.

Scientific notation

• Scientific notation: 1.38236865975 × 10¹¹

Factors of 138236865975

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1678

Divisors of 138236865975

• Number of divisors d(n): 240
• Complete list of divisors:
  1 3 5 9 13 15 19 25 27 39 45 57 65 75 81 95 117 135 171 191 195 225 247 285 325 351 405 475 513 573 585 675 741 855 955 975 1053 1235 1425 1447 1539 1719 1755 2025 2223 2483 2565 2865 2925 3629 3705 4275 4341 4775 5157 5265 6175 6669 7235 7449 7695 8595 8775 10887 11115 12415 12825 13023 14325 15471 18145 18525 18811 20007 21705 22347 25785 26325 27493 32661 33345 36175 37245 38475 39069 42975 47177 54435 55575 56433 62075 65115 67041 77355 82479 90725 94055 97983 100035 108525 111735 117207 128925 137465 141531 163305 166725 169299 186225 195345 201123 235885 247437 272175 276377 282165 293949 325575 335205 357409 386775 412395 424593 470275 489915 500175 507897 558675 586035 687325 707655 742311 816525 829131 846495 976725 1005615 1072227 1179425 1237185 1273779 1381885 1410825 1469745 1523691 1676025 1787045 2061975 2122965 2226933 2449575 2487393 2539485 2930175 3216681 3538275 3592901 3711555 3821337 4145655 4232475 5028075 5251163 5361135 6185925 6368895 6909425 7348725 7462179 7618455 8935225 9650043 10614825 10778703 11134665 12436965 12697425 15753489 16083405 17964505 18557775 19106685 20728275 22386537 26255815 26805675 28950129 31844475 32336109 37310895 38092275 47260467 48250215 53893515 55673325 62184825 68265119 78767445 80417025 89822525 95533425 97008327 111932685 131279075 141781401 144750645 161680545 186554475 204795357 236302335 241251075 269467575 291024981 341325595 393837225 425344203 485041635 559663425 614386071 708907005 723753225 808402725 1023976785 1181511675 1455124905 1706627975 1843158213 2126721015 2425208175 3071930355 3544535025 5119883925 5529474639 7275624525 9215791065 10633605075 15359651775 27647373195 46078955325 138236865975
• Sum of all divisors σ(n): 291994644480
• Sum of proper divisors (its aliquot sum) s(n): 153757778505
• 138236865975 is an abundant number, because the sum of its proper divisors (153757778505) is greater than itself. Its abundance is 15520912530

Bases of 138236865975

• Binary: 10000000101111100011110010110110110111₂
• Hexadecimal: 0x202F8F2DB7
• Base-36: 1RI6NSFR

Squares and roots of 138236865975

• 138236865975 squared (138236865975²) is 19109431114590112700625
• 138236865975 cubed (138236865975³) is 2641627867846088276456443423734375
• The square root of 138236865975 is 371802.1866194441
• The cube root of 138236865975 is 5170.6041814051

Scales and comparisons

• 138,236,865,975 seconds is equal to 4,395 years, 26 weeks, 1 day, 17 hours, 26 minutes, 15 seconds.
• To count from 1 to 138,236,865,975 would take you about eight thousand, seven hundred ninety-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 138236865975 cubic inches would be around 430.9 feet tall.

Recreational maths with 138236865975

• 138236865975 backwards is 579568632831
• The number of decimal digits it has is: 12
• The sum of 138236865975's digits is 63
• More coming soon!