138524993878815

Names of 138524993878815

• Cardinal: 138524993878815 can be written as One hundred thirty-eight trillion, five hundred twenty-four billion, nine hundred ninety-three million, eight hundred seventy-eight thousand, eight hundred fifteen.

Scientific notation

• Scientific notation: 1.38524993878815 × 10¹⁴

Factors of 138524993878815

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 21
• Sum of prime factors: 156

Divisors of 138524993878815

• Number of divisors d(n): 272
• Complete list of divisors:
  1 3 5 9 15 17 27 45 51 81 85 131 135 153 243 255 289 393 405 459 655 729 765 867 1179 1215 1377 1445 1965 2187 2227 2295 2601 3537 3645 4131 4335 4913 5895 6561 6681 6885 7803 10611 10935 11135 12393 13005 14739 17685 19683 20043 20655 23409 24565 31833 32805 33405 37179 37859 39015 44217 53055 59049 60129 61965 70227 73695 95499 98415 100215 111537 113577 117045 132651 159165 177147 180387 185895 189295 210681 221085 286497 295245 300645 334611 340731 351135 397953 477495 531441 541161 557685 567885 632043 643603 663255 859491 885735 901935 1003833 1022193 1053405 1193859 1432485 1594323 1623483 1673055 1703655 1896129 1930809 1989765 2578473 2657205 2705805 3011499 3066579 3160215 3218015 3581577 4297455 4782969 4870449 5019165 5110965 5688387 5792427 5969295 7735419 7971615 8117415 9034497 9199737 9480645 9654045 10744731 12892365 14348907 14611347 15057495 15332895 17065161 17377281 17907885 23206257 23914845 24352245 27103491 27599211 28441935 28962135 32234193 38677095 43046721 43834041 45172485 45998685 51195483 52131843 53723655 69618771 71744535 73056735 81310473 82797633 85325805 86886405 96702579 116031285 131502123 135517455 137996055 153586449 156395529 161170965 208856313 215233605 219170205 243931419 248392899 255977415 260659215 290107737 348093855 394506369 406552365 413988165 460759347 469186587 483512895 626568939 657510615 731794257 745178697 767932245 781977645 870323211 1044281565 1183519107 1219657095 1241964495 1382278041 1407559761 1450538685 1879706817 1972531845 2235536091 2303796735 2345932935 2610969633 3132844695 3550557321 3658971285 3725893485 4146834123 4222679283 4351616055 5639120451 5917595535 6706608273 6911390205 7037798805 7832908899 9398534085 10651671963 11177680455 12440502369 12668037849 13054848165 17752786605 20119824819 20734170615 21113396415 23498726697 28195602255 31955015889 33533041365 38004113547 39164544495 53258359815 60359474457 62202511845 63340189245 70496180091 95865047667 100599124095 114012340641 117493633485 159775079445 181078423371 190020567735 211488540273 301797372285 342037021923 352480900455 479325238335 543235270113 570061703205 905392116855 1026111065769 1057442701365 1629705810339 1710185109615 2716176350565 3078333197307 5130555328845 8148529051695 9234999591921 15391665986535 27704998775763 46174997959605 138524993878815
• Sum of all divisors σ(n): 266948211673440
• Sum of proper divisors (its aliquot sum) s(n): 128423217794625
• 138524993878815 is a deficient number, because the sum of its proper divisors (128423217794625) is less than itself. Its deficiency is 10101776084190

Bases of 138524993878815

• Binary: 11111011111110011011101000011010111101100011111₂
• Hexadecimal: 0x7DFCDD0D7B1F
• Base-36: 1D3PI4QUXR

Squares and roots of 138524993878815

• 138524993878815 squared (138524993878815²) is 19189173929125733218905804225
• 138524993878815 cubed (138524993878815³) is 2658180201071658576793425236700199764993375
• The square root of 138524993878815 is 11769664.1361941591
• The cube root of 138524993878815 is 51741.9406187979

Scales and comparisons

• 138,524,993,878,815 seconds is equal to 4,404,666 years, 16 weeks, 4 days, 6 hours, 20 minutes, 15 seconds.
• To count from 1 to 138,524,993,878,815 would take you about eleven million, eleven thousand, six hundred sixty-five 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 138524993878815 cubic inches would be around 4311.8 feet tall.

Recreational maths with 138524993878815

• 138524993878815 backwards is 518878399425831
• 138524993878815 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 138524993878815's digits is 81
• More coming soon!