19731943231

Names of 19731943231

• Cardinal: 19731943231 can be written as Nineteen billion, seven hundred thirty-one million, nine hundred forty-three thousand, two hundred thirty-one.

Scientific notation

• Scientific notation: 1.9731943231 × 10¹⁰

Factors of 19731943231

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 85

Divisors of 19731943231

• Number of divisors d(n): 144
• Complete list of divisors:
  1 7 11 13 17 37 49 77 91 119 121 143 187 221 259 407 481 539 629 637 833 847 1001 1309 1331 1369 1547 1573 1813 2057 2431 2849 3367 4403 4477 5291 5929 6919 7007 8177 9163 9317 9583 10829 11011 14399 15059 17017 17303 17797 19943 22627 23273 23569 26741 30821 31339 37037 48433 49247 57239 58201 65219 67081 76109 77077 89947 100793 105413 119119 121121 124579 158389 162911 165649 187187 195767 219373 256003 259259 294151 302549 339031 344729 400673 407407 532763 629629 640211 737891 837199 847847 872053 989417 1108723 1140377 1159543 1310309 1370369 1792021 1822139 2059057 2117843 2153437 2413103 2816033 2851849 3328039 3729341 4407403 4481477 5860393 6925919 8116801 9592583 10883587 12544147 12754973 14413399 14824901 15074059 19712231 23296273 23687807 30976363 31370339 36608429 41022751 48481433 76185109 89284811 105518413 137985617 163073911 165814649 216834541 256259003 402692719 533295763 1160702543 1517841787 1793813021 2818849033 19731943231
• Sum of all divisors σ(n): 29587656672
• Sum of proper divisors (its aliquot sum) s(n): 9855713441
• 19731943231 is a deficient number, because the sum of its proper divisors (9855713441) is less than itself. Its deficiency is 9876229790

Bases of 19731943231

• Binary: 10010011000000111011000111100111111₂
• Hexadecimal: 0x4981D8F3F
• Base-36: 92BW0U7

Squares and roots of 19731943231

• 19731943231 squared (19731943231²) is 389349583671406719361
• 19731943231 cubed (19731943231³) is 7682623882017681944343200595391
• The square root of 19731943231 is 140470.4354339375
• The cube root of 19731943231 is 2702.2360640129

Scales and comparisons

• 19,731,943,231 seconds is equal to 627 years, 21 weeks, 3 days, 23 hours, 20 minutes, 31 seconds.
• To count from 1 to 19,731,943,231 would take you about one thousand, two hundred fifty-four 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 19731943231 cubic inches would be around 225.2 feet tall.

Recreational maths with 19731943231

• 19731943231 backwards is 13234913791
• The number of decimal digits it has is: 11
• The sum of 19731943231's digits is 43
• More coming soon!