138972512133

Names of 138972512133

• Cardinal: 138972512133 can be written as One hundred thirty-eight billion, nine hundred seventy-two million, five hundred twelve thousand, one hundred thirty-three.

Scientific notation

• Scientific notation: 1.38972512133 × 10¹¹

Factors of 138972512133

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 9367

Divisors of 138972512133

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 7 9 13 21 27 39 49 63 67 91 117 147 169 189 201 273 351 441 469 507 603 637 819 871 1183 1323 1407 1521 1809 1911 2457 2613 3283 3549 4221 4563 5733 6097 7839 8281 9277 9849 10647 11323 12663 17199 18291 23517 24843 27831 29547 31941 33969 42679 54873 64939 74529 79261 83493 88641 101907 120601 128037 164619 194817 223587 237783 250479 305721 361803 384111 454573 554827 584451 621559 713349 844207 1085409 1152333 1363719 1567813 1664481 1753353 1864677 2140047 2532621 3256227 4091157 4350913 4703439 4993443 5594031 5909449 7597863 8080267 10974691 12273471 13052739 14110317 14980329 16782093 17728347 22793589 24240801 30456391 32924073 39158217 42330951 53185041 56561869 72722403 76822837 91369173 98772219 105043471 117474651 159555123 169685607 218167209 230468511 274107519 296316657 315130413 395933083 509056821 691405533 735304297 822322557 945391239 1187799249 1527170463 2074216599 2205912891 2836173717 3563397747 5147130079 6617738673 10690193241 15441390237 19853216019 46324170711 138972512133
• Sum of all divisors σ(n): 263238384960
• Sum of proper divisors (its aliquot sum) s(n): 124265872827
• 138972512133 is a deficient number, because the sum of its proper divisors (124265872827) is less than itself. Its deficiency is 14706639306

Bases of 138972512133

• Binary: 10000001011011011010000011111110000101₂
• Hexadecimal: 0x205B683F85
• Base-36: 1RUCN8N9

Squares and roots of 138972512133

• 138972512133 squared (138972512133²) is 19313359128556832209689
• 138972512133 cubed (138972512133³) is 2684026035822350671041049752656637
• The square root of 138972512133 is 372790.1717226461
• The cube root of 138972512133 is 5179.7599821829

Scales and comparisons

• 138,972,512,133 seconds is equal to 4,418 years, 46 weeks, 4 days, 3 hours, 35 minutes, 33 seconds.
• To count from 1 to 138,972,512,133 would take you about eight thousand, eight hundred thirty-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 138972512133 cubic inches would be around 431.6 feet tall.

Recreational maths with 138972512133

• 138972512133 backwards is 331215279831
• The number of decimal digits it has is: 12
• The sum of 138972512133's digits is 45
• More coming soon!