19139147937

Names of 19139147937

• Cardinal: 19139147937 can be written as Nineteen billion, one hundred thirty-nine million, one hundred forty-seven thousand, nine hundred thirty-seven.

Scientific notation

• Scientific notation: 1.9139147937 × 10¹⁰

Factors of 19139147937

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 8531

Divisors of 19139147937

• Number of divisors d(n): 80
• Complete list of divisors:
  1 3 7 9 13 21 27 39 63 81 91 117 189 273 317 351 567 819 951 1053 2219 2457 2853 4121 6657 7371 8191 8559 12363 19971 24573 25677 28847 37089 57337 59913 73719 86541 106483 111267 172011 179739 221157 259623 319449 333801 516033 663471 745381 778869 958347 1548099 2236143 2336607 2596547 2875041 4644297 6708429 7789641 8625123 18175829 20125287 23368923 33755111 54527487 60375861 70106769 101265333 163582461 210320307 236285777 303795999 490747383 708857331 911387997 1472242149 2126571993 2734163991 6379715979 19139147937
• Sum of all divisors σ(n): 35303718912
• Sum of proper divisors (its aliquot sum) s(n): 16164570975
• 19139147937 is a deficient number, because the sum of its proper divisors (16164570975) is less than itself. Its deficiency is 2974576962

Bases of 19139147937

• Binary: 10001110100110010000011100010100001₂
• Hexadecimal: 0x474C838A1
• Base-36: 8SIYD29

Squares and roots of 19139147937

• 19139147937 squared (19139147937²) is 366306983754371355969
• 19139147937 cubed (19139147937³) is 7010803552431169052325978985953
• The square root of 19139147937 is 138344.3093770033
• The cube root of 19139147937 is 2674.8998914177

Scales and comparisons

• 19,139,147,937 seconds is equal to 608 years, 29 weeks, 2 days, 21 hours, 58 minutes, 57 seconds.
• To count from 1 to 19,139,147,937 would take you about one thousand, two hundred seventeen 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 19139147937 cubic inches would be around 222.9 feet tall.

Recreational maths with 19139147937

• 19139147937 backwards is 73974193191
• The number of decimal digits it has is: 11
• The sum of 19139147937's digits is 54
• More coming soon!