138028515075

Names of 138028515075

• Cardinal: 138028515075 can be written as One hundred thirty-eight billion, twenty-eight million, five hundred fifteen thousand and seventy-five.

Scientific notation

• Scientific notation: 1.38028515075 × 10¹¹

Factors of 138028515075

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 8679

Divisors of 138028515075

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 5 9 11 15 25 27 33 45 55 75 99 135 165 225 275 297 495 675 825 1485 2475 3931 4729 7425 11793 14187 19655 23645 35379 42561 43241 52019 58965 70935 98275 106137 118225 127683 129723 156057 176895 212805 216205 260095 294825 354675 389169 468171 530685 638415 648615 780285 884475 1064025 1081025 1167507 1300475 1404513 1945845 2340855 2653425 3192075 3243075 3901425 5837535 7022565 9729225 11704275 18589699 29187675 35112825 55769097 92948495 167307291 204486689 278845485 464742475 501921873 613460067 836536455 1022433445 1394227425 1840380201 2509609365 3067300335 4182682275 5112167225 5521140603 9201901005 12548046825 15336501675 27605703015 46009505025 138028515075
• Sum of all divisors σ(n): 276743596800
• Sum of proper divisors (its aliquot sum) s(n): 138715081725
• 138028515075 is an abundant number, because the sum of its proper divisors (138715081725) is greater than itself. Its abundance is 686566650

Bases of 138028515075

• Binary: 10000000100011001000111111111100000011₂
• Hexadecimal: 0x202323FF03
• Base-36: 1REQM3UR

Squares and roots of 138028515075

• 138028515075 squared (138028515075²) is 19051870973809502255625
• 138028515075 cubed (138028515075³) is 2629701459915419812268781816046875
• The square root of 138028515075 is 371521.8904385041
• The cube root of 138028515075 is 5168.0051599909

Scales and comparisons

• 138,028,515,075 seconds is equal to 4,388 years, 45 weeks, 5 days, 6 hours, 11 minutes, 15 seconds.
• To count from 1 to 138,028,515,075 would take you about eight thousand, seven hundred seventy-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 138028515075 cubic inches would be around 430.7 feet tall.

Recreational maths with 138028515075

• 138028515075 backwards is 570515820831
• 138028515075 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138028515075's digits is 45
• More coming soon!