138540409506

Names of 138540409506

• Cardinal: 138540409506 can be written as One hundred thirty-eight billion, five hundred forty million, four hundred nine thousand, five hundred six.

Scientific notation

• Scientific notation: 1.38540409506 × 10¹¹

Factors of 138540409506

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 401

Divisors of 138540409506

• Number of divisors d(n): 132
• Complete list of divisors:
  1 2 3 6 9 18 27 54 59 81 118 162 177 243 337 354 486 531 674 729 1011 1062 1458 1593 2022 2187 3033 3186 3481 4374 4779 6066 6561 6962 9099 9558 10443 13122 14337 18198 19683 19883 20886 27297 28674 31329 39366 39766 43011 54594 59049 59649 62658 81891 86022 93987 118098 119298 129033 163782 178947 187974 245673 258066 281961 357894 387099 491346 536841 563922 737019 774198 845883 1073682 1161297 1173097 1474038 1610523 1691766 2211057 2322594 2346194 2537649 3221046 3483891 3519291 4422114 4831569 5075298 6633171 6967782 7038582 7612947 9663138 10557873 13266342 14494707 15225894 19899513 21115746 22838841 28989414 31673619 39799026 43484121 45677682 63347238 68516523 86968242 95020857 130452363 137033046 190041714 205549569 260904726 285062571 391357089 411099138 570125142 782714178 855187713 1174071267 1710375426 2348142534 2565563139 5131126278 7696689417 15393378834 23090068251 46180136502 69270204753 138540409506
• Sum of all divisors σ(n): 318027910902
• Sum of proper divisors (its aliquot sum) s(n): 179487501396
• 138540409506 is an abundant number, because the sum of its proper divisors (179487501396) is greater than itself. Its abundance is 40947091890

Bases of 138540409506

• Binary: 10000001000001101001101110001010100010₂
• Hexadecimal: 0x2041A6E2A2
• Base-36: 1RN7DS4I

Squares and roots of 138540409506

• 138540409506 squared (138540409506²) is 19193445066090175164036
• 138540409506 cubed (138540409506³) is 2659067739287048101548818163726216
• The square root of 138540409506 is 372210.1684613143
• The cube root of 138540409506 is 5174.3859899109

Scales and comparisons

• 138,540,409,506 seconds is equal to 4,405 years, 8 weeks, 23 hours, 5 minutes, 6 seconds.
• To count from 1 to 138,540,409,506 would take you about eight thousand, eight hundred ten 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 138540409506 cubic inches would be around 431.2 feet tall.

Recreational maths with 138540409506

• 138540409506 backwards is 605904045831
• The number of decimal digits it has is: 12
• The sum of 138540409506's digits is 45
• More coming soon!