138724861077

Names of 138724861077

• Cardinal: 138724861077 can be written as One hundred thirty-eight billion, seven hundred twenty-four million, eight hundred sixty-one thousand and seventy-seven.

Scientific notation

• Scientific notation: 1.38724861077 × 10¹¹

Factors of 138724861077

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 131

Divisors of 138724861077

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 9 11 23 33 41 53 69 99 123 159 207 253 369 451 477 529 583 759 943 1219 1353 1587 1749 2173 2277 2809 2829 3657 4059 4761 5247 5819 6519 8427 8487 10373 10971 12167 13409 17457 19557 21689 23903 25281 28037 30899 31119 36501 40227 49979 52371 64607 65067 71709 84111 92697 93357 109503 115169 120681 133837 149937 193821 195201 215127 238579 252333 278091 308407 345507 401511 449811 498847 549769 581463 644851 710677 715737 925221 1036521 1149517 1204533 1266859 1485961 1496541 1649307 1934553 2132031 2147211 2648887 2775663 3448551 3800577 4457883 4489623 4947921 5487317 5803659 6396093 7093361 7946661 10345653 11401731 12644687 13373649 16345571 16461951 21280083 23839983 26438891 29137757 34177103 37934061 49036713 49385853 60924401 63840249 79316673 87413271 102531309 113802183 147110139 182773203 237950019 262239813 290827801 307593927 375948133 548319609 670168411 872483403 1127844399 1401261223 2010505233 2617450209 3383533197 4203783669 6031515699 12611351007 15413873453 46241620359 138724861077
• Sum of all divisors σ(n): 238606542720
• Sum of proper divisors (its aliquot sum) s(n): 99881681643
• 138724861077 is a deficient number, because the sum of its proper divisors (99881681643) is less than itself. Its deficiency is 38843179434

Bases of 138724861077

• Binary: 10000001001100101001010110010010010101₂
• Hexadecimal: 0x204CA56495
• Base-36: 1RQ977V9

Squares and roots of 138724861077

• 138724861077 squared (138724861077²) is 19244587080832949599929
• 138724861077 cubed (138724861077³) is 2669702669272779902694293254063533
• The square root of 138724861077 is 372457.8648343997
• The cube root of 138724861077 is 5176.6813499689

Scales and comparisons

• 138,724,861,077 seconds is equal to 4,411 years, 1 week, 19 hours, 37 minutes, 57 seconds.
• To count from 1 to 138,724,861,077 would take you about eight thousand, eight hundred twenty-two 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 138724861077 cubic inches would be around 431.4 feet tall.

Recreational maths with 138724861077

• 138724861077 backwards is 770168427831
• The number of decimal digits it has is: 12
• The sum of 138724861077's digits is 54
• More coming soon!