31380684140

Names of 31380684140

• Cardinal: 31380684140 can be written as Thirty-one billion, three hundred eighty million, six hundred eighty-four thousand, one hundred forty.

Scientific notation

• Scientific notation: 3.138068414 × 10¹⁰

Factors of 31380684140

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1010

Divisors of 31380684140

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 10 13 20 26 41 52 53 65 67 82 106 130 134 164 205 212 260 265 268 335 410 530 533 670 689 820 829 871 1060 1066 1340 1378 1658 1742 2132 2173 2665 2747 2756 3316 3445 3484 3551 4145 4346 4355 5330 5494 6890 7102 8290 8692 8710 10660 10777 10865 10988 13735 13780 14204 16580 17420 17755 21554 21730 27470 28249 33989 35510 35711 43108 43460 43937 46163 53885 54940 55543 56498 67978 71020 71422 87874 92326 107770 111086 112996 135956 141245 142844 145591 169945 175748 178555 184652 215540 219685 222172 230815 277715 282490 291182 339890 357110 439370 441857 461630 555430 564980 571181 582364 679780 714220 722059 727955 878740 883714 923260 1110860 1142362 1444118 1455910 1767428 1801417 1892683 2209285 2277263 2284724 2855905 2888236 2911820 2943779 3602834 3610295 3785366 4418570 4554526 5711810 5887558 7205668 7220590 7570732 8837140 9007085 9109052 9463415 11386315 11423620 11775116 14441180 14718895 18014170 18926830 22772630 23418421 29437790 29604419 36028340 37853660 38269127 45545260 46836842 58875580 59208838 76538254 93673684 117092105 118417676 120694939 148022095 153076508 191345635 234184210 241389878 296044190 382691270 468368420 482779756 592088380 603474695 765382540 1206949390 1569034207 2413898780 3138068414 6276136828 7845171035 15690342070 31380684140
• Sum of all divisors σ(n): 75267480960
• Sum of proper divisors (its aliquot sum) s(n): 43886796820
• 31380684140 is an abundant number, because the sum of its proper divisors (43886796820) is greater than itself. Its abundance is 12506112680

Bases of 31380684140

• Binary: 11101001110011011110011110101101100₂
• Hexadecimal: 0x74E6F3D6C
• Base-36: EEZ8YUK

Squares and roots of 31380684140

• 31380684140 squared (31380684140²) is 984747337094447539600
• 31380684140 cubed (31380684140³) is 30902045143066963587987741944000
• The square root of 31380684140 is 177145.9402300825
• The cube root of 31380684140 is 3154.1872303921

Scales and comparisons

• 31,380,684,140 seconds is equal to 997 years, 42 weeks, 8 hours, 42 minutes, 20 seconds.
• To count from 1 to 31,380,684,140 would take you about one thousand, nine hundred ninety-five 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 31380684140 cubic inches would be around 262.8 feet tall.

Recreational maths with 31380684140

• 31380684140 backwards is 04148608313
• The number of decimal digits it has is: 11
• The sum of 31380684140's digits is 38
• More coming soon!