138345475149

Names of 138345475149

• Cardinal: 138345475149 can be written as One hundred thirty-eight billion, three hundred forty-five million, four hundred seventy-five thousand, one hundred forty-nine.

Scientific notation

• Scientific notation: 1.38345475149 × 10¹¹

Factors of 138345475149

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 442

Divisors of 138345475149

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 7 9 21 27 61 63 71 81 89 183 189 211 213 243 267 427 497 549 567 623 633 639 801 1281 1477 1491 1647 1701 1869 1899 1917 2403 3843 4331 4431 4473 4941 5429 5607 5697 5751 6319 7209 11529 12871 12993 13293 13419 14823 14981 16287 16821 17091 17253 18779 18957 21627 30317 34587 38003 38613 38979 39879 40257 44233 44943 48861 50463 51273 56337 56871 90097 90951 103761 104867 114009 115839 116937 119637 120771 131453 132699 134829 146583 151389 169011 170613 270291 272853 314601 342027 347517 350811 358911 385459 394359 398097 404487 439749 507033 511839 810873 818559 913841 943803 1026081 1042551 1052433 1145519 1156377 1183077 1194291 1213461 1319247 1333309 1521099 1535517 2432619 2455677 2698213 2741523 2831409 3078243 3127653 3436557 3469131 3549231 3582873 3640383 3999927 4563297 6396887 7297857 7367031 8018633 8094639 8224569 8494227 9234729 9333163 10309671 10407393 10647693 10748619 11999781 19190661 21893571 24055899 24283917 24673707 25482681 27999489 30929013 31222179 31943079 35999343 57571983 72167697 72851751 74021121 81331849 83998467 92787039 93666537 107998029 172715949 216503091 218555253 222063363 243995547 251995401 278361117 323994087 518147847 569322943 649509273 655665759 731986641 755986203 1554443541 1707968829 1948527819 2195959923 2267958609 5123906487 6587879769 15371719461 19763639307 46115158383 138345475149
• Sum of all divisors σ(n): 248024125440
• Sum of proper divisors (its aliquot sum) s(n): 109678650291
• 138345475149 is a deficient number, because the sum of its proper divisors (109678650291) is less than itself. Its deficiency is 28666824858

Bases of 138345475149

• Binary: 10000000110110000010000110110001001101₂
• Hexadecimal: 0x2036086C4D
• Base-36: 1RJZBNT9

Squares and roots of 138345475149

• 138345475149 squared (138345475149²) is 19139470494202576572201
• 138345475149 cubed (138345475149³) is 2647859139620721305741203049732949
• The square root of 138345475149 is 371948.2156819683
• The cube root of 138345475149 is 5171.9579641263

Scales and comparisons

• 138,345,475,149 seconds is equal to 4,398 years, 49 weeks, 5 days, 18 hours, 39 minutes, 9 seconds.
• To count from 1 to 138,345,475,149 would take you about eight thousand, seven hundred ninety-seven 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 138345475149 cubic inches would be around 431 feet tall.

Recreational maths with 138345475149

• 138345475149 backwards is 941574543831
• The number of decimal digits it has is: 12
• The sum of 138345475149's digits is 54
• More coming soon!