15438642061425

Names of 15438642061425

• Cardinal: 15438642061425 can be written as Fifteen trillion, four hundred thirty-eight billion, six hundred forty-two million, sixty-one thousand, four hundred twenty-five.

Scientific notation

• Scientific notation: 1.5438642061425 × 10¹³

Factors of 15438642061425

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 435197865

Divisors of 15438642061425

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 5 11 15 25 33 43 55 75 129 165 215 275 473 645 825 1075 1419 2365 3225 7095 11825 35475 435197803 1305593409 2175989015 4787175833 6527967045 10879945075 14361527499 18713505529 23935879165 32639835225 56140516587 71807637495 93567527645 119679395825 205848560819 280702582935 359038187475 467837638225 617545682457 1029242804095 1403512914675 3087728412285 5146214020475 15438642061425
• Sum of all divisors σ(n): 28493270623488
• Sum of proper divisors (its aliquot sum) s(n): 13054628562063
• 15438642061425 is a deficient number, because the sum of its proper divisors (13054628562063) is less than itself. Its deficiency is 2384013499362

Bases of 15438642061425

• Binary: 11100000101010010110110001101010000001110001₂
• Hexadecimal: 0xE0A96C6A071
• Base-36: 5H0EWVASX

Squares and roots of 15438642061425

• 15438642061425 squared (15438642061425²) is 238351668700801173473030625
• 15438642061425 cubed (15438642061425³) is 3679826097815025680376728554992156140625
• The square root of 15438642061425 is 3929203.7439441851
• The cube root of 15438642061425 is 24900.2113181449

Scales and comparisons

• 15,438,642,061,425 seconds is equal to 490,901 years, 3 weeks, 1 day, 19 hours, 43 minutes, 45 seconds.
• To count from 1 to 15,438,642,061,425 would take you about one million, two hundred twenty-seven thousand, two hundred fifty-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 15438642061425 cubic inches would be around 2075 feet tall.

Recreational maths with 15438642061425

• 15438642061425 backwards is 52416024683451
• The number of decimal digits it has is: 14
• The sum of 15438642061425's digits is 51
• More coming soon!