138128957801455

Names of 138128957801455

• Cardinal: 138128957801455 can be written as One hundred thirty-eight trillion, one hundred twenty-eight billion, nine hundred fifty-seven million, eight hundred one thousand, four hundred fifty-five.

Scientific notation

• Scientific notation: 1.38128957801455 × 10¹⁴

Factors of 138128957801455

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 13573

Divisors of 138128957801455

• Number of divisors d(n): 192
• Complete list of divisors:
  1 5 19 29 31 37 95 113 145 155 185 551 565 589 703 841 899 1073 1147 2147 2755 2945 3277 3503 3515 4181 4205 4495 5365 5735 10735 13339 15979 16385 17081 17515 20387 20905 21793 26071 31117 33263 62263 66557 66695 79439 79895 85405 95033 101587 101935 108965 121249 129611 130355 155585 166315 253441 311315 332785 386831 397195 413509 475165 493543 495349 507935 591223 606245 631997 648055 964627 1267205 1507307 1805627 1930153 1934155 2067545 2303731 2462609 2467715 2476745 2946023 2956115 3159985 3516221 3758719 4823135 7349789 7536535 7856671 9028135 9377317 9650765 11218099 11518655 11991761 12313045 14312747 14730115 15299833 17581105 18327913 18793595 28638833 36748945 39283355 43711903 46726517 46886585 55770359 55974437 56090495 59958805 66808199 71415661 71563735 76499165 91639565 109002851 143194165 213143881 218559515 227843459 233632585 271942193 278851795 279872185 290696827 334040995 347761069 357078305 415069663 443695157 545014255 830526157 887803823 1059636821 1065719405 1139217295 1267645187 1355068993 1359710965 1453484135 1617340411 1728881129 1738805345 2071054169 2075348315 2218475785 4152630785 4439019115 5298184105 6338225935 6607460311 6775344965 7886323597 8086702055 8430207983 8644405645 10355270845 12867159553 24085258553 25746310867 30729467809 32848741451 33037301555 39297000797 39431617985 42151039915 46902871919 50137552741 64335797765 120426292765 128731554335 153647339045 164243707255 196485003985 234514359595 244476031507 250687763705 746643015143 891154566461 952613502079 1222380157535 1453989029489 3733215075715 4455772832305 4763067510395 7269945147445 27625791560291 138128957801455
• Sum of all divisors σ(n): 193282999603200
• Sum of proper divisors (its aliquot sum) s(n): 55154041801745
• 138128957801455 is a deficient number, because the sum of its proper divisors (55154041801745) is less than itself. Its deficiency is 82974915999710

Bases of 138128957801455

• Binary: 11111011010000010100111011101101000001111101111₂
• Hexadecimal: 0x7DA0A77683EF
• Base-36: 1CYNKF39WV

Squares and roots of 138128957801455

• 138128957801455 squared (138128957801455²) is 19079608983316136107200117025
• 138128957801455 cubed (138128957801455³) is 2635446504124736299481226218737262715271375
• The square root of 138128957801455 is 11752827.6513124701
• The cube root of 138128957801455 is 51692.5843403709

Scales and comparisons

• 138,128,957,801,455 seconds is equal to 4,392,073 years, 31 weeks, 8 hours, 50 minutes, 55 seconds.
• To count from 1 to 138,128,957,801,455 would take you about ten million, nine hundred eighty thousand, one hundred eighty-three 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 138128957801455 cubic inches would be around 4307.7 feet tall.

Recreational maths with 138128957801455

• 138128957801455 backwards is 554108759821831
• The number of decimal digits it has is: 15
• The sum of 138128957801455's digits is 67
• More coming soon!