31987442340

Names of 31987442340

• Cardinal: 31987442340 can be written as Thirty-one billion, nine hundred eighty-seven million, four hundred forty-two thousand, three hundred forty.

Scientific notation

• Scientific notation: 3.198744234 × 10¹⁰

Factors of 31987442340

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 11197

Divisors of 31987442340

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 60 63 70 84 90 105 126 140 180 210 252 315 420 630 1260 3169 6338 8011 9507 12676 15845 16022 19014 22183 24033 28521 31690 32044 38028 40055 44366 47535 48066 56077 57042 63380 66549 72099 80110 88732 95070 96132 110915 112154 114084 120165 133098 142605 144198 160220 168231 190140 199647 221830 224308 240330 266196 280385 285210 288396 332745 336462 360495 399294 443660 480660 504693 560770 570420 665490 672924 720990 798588 841155 998235 1009386 1121540 1330980 1441980 1682310 1996470 2018772 2523465 3364620 3992940 5046930 10093860 25386859 50773718 76160577 101547436 126934295 152321154 177708013 228481731 253868590 304642308 355416026 380802885 456963462 507737180 533124039 710832052 761605770 888540065 913926924 1066248078 1142408655 1523211540 1599372117 1777080130 2132496156 2284817310 2665620195 3198744234 3554160260 4569634620 5331240390 6397488468 7996860585 10662480780 15993721170 31987442340
• Sum of all divisors σ(n): 110938638720
• Sum of proper divisors (its aliquot sum) s(n): 78951196380
• 31987442340 is an abundant number, because the sum of its proper divisors (78951196380) is greater than itself. Its abundance is 46963754040

Bases of 31987442340

• Binary: 11101110010100110011010001010100100₂
• Hexadecimal: 0x77299A2A4
• Base-36: EP0HWH0

Squares and roots of 31987442340

• 31987442340 squared (31987442340²) is 1023196467454824675600
• 31987442340 cubed (31987442340³) is 32729438005202890865564204904000
• The square root of 31987442340 is 178850.3350290405
• The cube root of 31987442340 is 3174.3867570445

Scales and comparisons

• 31,987,442,340 seconds is equal to 1,017 years, 5 weeks, 2 days, 39 minutes.
• To count from 1 to 31,987,442,340 would take you about two thousand and thirty-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 31987442340 cubic inches would be around 264.5 feet tall.

Recreational maths with 31987442340

• 31987442340 backwards is 04324478913
• 31987442340 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31987442340's digits is 45
• More coming soon!