137989757979

Names of 137989757979

• Cardinal: 137989757979 can be written as One hundred thirty-seven billion, nine hundred eighty-nine million, seven hundred fifty-seven thousand, nine hundred seventy-nine.

Scientific notation

• Scientific notation: 1.37989757979 × 10¹¹

Factors of 137989757979

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 596

Divisors of 137989757979

• Number of divisors d(n): 90
• Complete list of divisors:
  1 3 9 17 19 27 51 57 81 153 171 289 323 459 513 557 867 969 1377 1539 1671 2601 2907 5013 5491 7803 8721 9469 10583 15039 16473 23409 26163 28407 31749 45117 49419 85221 95247 148257 160973 179911 255663 285741 310249 444771 482919 539733 766989 857223 930747 1448757 1619199 2792241 3058487 4346271 4857597 5274233 5894731 8376723 9175461 13038813 14572791 15822699 17684193 25130169 27526383 47468097 53052579 82579149 89661961 100210427 142404291 159157737 247737447 268985883 300631281 427212873 477473211 806957649 901893843 1703577259 2420872947 2705681529 5110731777 7262618841 8117044587 15332195331 45996585993 137989757979
• Sum of all divisors σ(n): 230910952580
• Sum of proper divisors (its aliquot sum) s(n): 92921194601
• 137989757979 is a deficient number, because the sum of its proper divisors (92921194601) is less than itself. Its deficiency is 45068563378

Bases of 137989757979

• Binary: 10000000100000110101001001110000011011₂
• Hexadecimal: 0x2020D49C1B
• Base-36: 1RE3JEOR

Squares and roots of 137989757979

• 137989757979 squared (137989757979²) is 19041173307102994164441
• 137989757979 cubed (137989757979³) is 2627486896283337206377462917824739
• The square root of 137989757979 is 371469.7268674797
• The cube root of 137989757979 is 5167.5214057897

Scales and comparisons

• 137,989,757,979 seconds is equal to 4,387 years, 33 weeks, 4 days, 16 hours, 19 minutes, 39 seconds.
• To count from 1 to 137,989,757,979 would take you about eight thousand, seven hundred seventy-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 137989757979 cubic inches would be around 430.6 feet tall.

Recreational maths with 137989757979

• 137989757979 backwards is 979757989731
• 137989757979 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 137989757979's digits is 81
• More coming soon!