138729923247318442459

Names of 138729923247318442459

• Cardinal: 138729923247318442459 can be written as One hundred thirty-eight quintillion, seven hundred twenty-nine quadrillion, nine hundred twenty-three trillion, two hundred forty-seven billion, three hundred eighteen million, four hundred forty-two thousand, four hundred fifty-nine.

Scientific notation

• Scientific notation: 1.38729923247318442459 × 10²⁰

Factors of 138729923247318442459

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 85

Divisors of 138729923247318442459

• Number of divisors d(n): 144
• Complete list of divisors:
  1 7 37 41 49 259 287 343 1369 1517 1681 1813 2009 9583 10619 11767 12691 14063 50653 56129 62197 67081 68921 74333 82369 354571 392903 435379 469567 482447 520331 576583 2076773 2301289 2481997 2550077 2750321 2825761 3047653 3377129 14537411 16109023 17373979 17850539 19252247 19780327 21333571 23639903 85147693 94352849 101761877 104553157 112763161 115856201 124953773 138462289 596033851 660469943 712333139 731872099 789342127 810993407 874676411 969236023 3491055413 3868466809 4172236957 4286679437 4623289601 4750104241 5123104693 5676953849 24437387891 27079267663 29205658699 30006756059 32363027207 33250729687 35861732851 39738676943 143133271933 158607139169 171061715237 175753856917 189554873641 194754273881 210047292413 232755107809 1001932903531 1110249974183 1197432006659 1230276998419 1326884115487 1363279917167 1470331046891 1629285754663 5868464149253 6502892705929 7013530324717 7205908133597 7771749819281 7984925229121 8611938988933 9542959420169 41079249044771 45520248941503 49094712273019 50441356935179 54402248734967 55894476603847 60283572922531 66800715941183 240607030119373 266618600943089 287554743313397 295442233477477 318641742590521 353089498546253 391261336226929 1684249210835611 1866330206601623 2012883203193779 2068095634342339 2230492198133647 2471626489823771 2738829353588503 9864888234894293 10931362638666649 11789744475849277 13064311446211361 14476669440396373 69054217644260051 76519538470666543 82528211330944939 91450180123479527 101336686082774611 404460417630666013 483379523509820357 535636769294665801 2831222923414662091 3383656664568742499 3749457385062660607 19818560463902634637 138729923247318442459
• Sum of all divisors σ(n): 170435035045495576000
• Sum of proper divisors (its aliquot sum) s(n): 31705111798177133541
• 138729923247318442459 is a deficient number, because the sum of its proper divisors (31705111798177133541) is less than itself. Its deficiency is 107024811449141308918

Bases of 138729923247318442459

• Binary: 1111000010101000011101100100010101110111001100111110010000111011011₂
• Hexadecimal: 0x78543B22BB99F21DB
• Base-36: TA06DHEC579P7

Squares and roots of 138729923247318442459

• 138729923247318442459 squared (138729923247318442459²) is 19245991604206866018800413294345693966681
• 138729923247318442459 cubed (138729923247318442459³) is 2669994938070153665990930784496166886922273838916018361708579
• The square root of 138729923247318442459 is 11778366747.8695212541
• The cube root of 138729923247318442459 is 5176744.3161494961

Scales and comparisons

• 138,729,923,247,318,442,459 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 138,729,923,247,318,442,459 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 138729923247318442459 cubic inches would be around 431395.4 feet tall.

Recreational maths with 138729923247318442459

• 138729923247318442459 backwards is 954244813742329927831
• The number of decimal digits it has is: 21
• The sum of 138729923247318442459's digits is 97
• More coming soon!