138990606846975

Names of 138990606846975

• Cardinal: 138990606846975 can be written as One hundred thirty-eight trillion, nine hundred ninety billion, six hundred six million, eight hundred forty-six thousand, nine hundred seventy-five.

Scientific notation

• Scientific notation: 1.38990606846975 × 10¹⁴

Factors of 138990606846975

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 778986249

Divisors of 138990606846975

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 5 9 13 15 25 39 45 61 65 75 117 183 195 225 305 325 549 585 793 915 975 1525 2379 2745 2925 3965 4575 7137 11895 13725 19825 35685 59475 178425 778986167 2336958501 3894930835 7010875503 10126820171 11684792505 19474654175 30380460513 35054377515 47518156187 50634100855 58423962525 91141381539 142554468561 151902302565 175271887575 237590780935 253170504275 427663405683 455706907695 617736030431 712772342805 759511512825 1187953904675 1853208091293 2138317028415 2278534538475 3088680152155 3563861714025 5559624273879 9266040456465 10691585142075 15443400760775 27798121369395 46330202282325 138990606846975
• Sum of all divisors σ(n): 272492477511072
• Sum of proper divisors (its aliquot sum) s(n): 133501870664097
• 138990606846975 is a deficient number, because the sum of its proper divisors (133501870664097) is less than itself. Its deficiency is 5488736182878

Bases of 138990606846975

• Binary: 11111100110100101000101101111111000101111111111₂
• Hexadecimal: 0x7E6945BF8BFF
• Base-36: 1D9NEIOOHR

Squares and roots of 138990606846975

• 138990606846975 squared (138990606846975²) is 19318388791690373751066650625
• 138990606846975 cubed (138990606846975³) is 2685074581462845158869201224568705163109375
• The square root of 138990606846975 is 11789427.7574009081
• The cube root of 138990606846975 is 51799.8478013365

Scales and comparisons

• 138,990,606,846,975 seconds is equal to 4,419,471 years, 19 weeks, 2 days, 5 hours, 56 minutes, 15 seconds.
• To count from 1 to 138,990,606,846,975 would take you about eleven million, forty-eight thousand, six hundred seventy-eight 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 138990606846975 cubic inches would be around 4316.7 feet tall.

Recreational maths with 138990606846975

• 138990606846975 backwards is 579648606099831
• The number of decimal digits it has is: 15
• The sum of 138990606846975's digits is 81
• More coming soon!