31811520130

Names of 31811520130

• Cardinal: 31811520130 can be written as Thirty-one billion, eight hundred eleven million, five hundred twenty thousand, one hundred thirty.

Scientific notation

• Scientific notation: 3.181152013 × 10¹⁰

Factors of 31811520130

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 309

Divisors of 31811520130

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 5 10 13 17 26 29 34 58 61 65 79 85 103 122 130 145 158 170 206 221 290 305 377 395 442 493 515 610 754 790 793 986 1027 1030 1037 1105 1339 1343 1586 1751 1769 1885 2054 2074 2210 2291 2465 2678 2686 2987 3502 3538 3770 3965 4582 4819 4930 5135 5185 5974 6283 6409 6695 6715 7930 8137 8755 8845 9638 10270 10370 11455 12566 12818 13390 13430 13481 14935 16274 17459 17510 17690 22763 22910 22997 24095 26962 29783 29870 30073 31415 32045 34918 38831 38947 40685 45526 45994 48190 50779 59566 60146 62647 62830 64090 67405 77662 77894 81370 81679 81923 87295 101558 105781 106811 113815 114985 125294 134810 138329 139751 148915 150365 163358 163846 174590 182207 194155 194735 211562 213622 227630 229970 235973 253895 276658 279502 297830 300730 313235 364414 388310 389470 390949 408395 409615 471946 496357 506311 507790 528905 534055 626470 660127 691645 698755 781898 816790 819230 911035 992714 1012622 1057810 1064999 1068110 1179865 1320254 1383290 1388543 1397510 1798277 1816763 1822070 1954745 2129998 2359730 2368691 2375767 2481785 2531555 2777086 3067649 3097519 3300635 3596554 3633526 3909490 4011541 4737382 4751534 4963570 5063110 5324995 6135298 6195038 6452641 6601270 6942715 8023082 8438069 8991385 9083815 10649990 11843455 11878835 12905282 13885430 14394353 15338245 15487595 16876138 17982770 18167630 20057705 23686910 23757670 28788706 30676490 30884971 30975190 32263205 40115410 40267747 42190345 52150033 61769942 64526410 71971765 80535494 84380690 104300066 109694897 143943530 154424855 187126589 201338735 219389794 244704001 260750165 308849710 374253178 402677470 489408002 521500330 548474485 935632945 1096948970 1223520005 1871265890 2447040010 3181152013 6362304026 15905760065 31811520130
• Sum of all divisors σ(n): 70195507200
• Sum of proper divisors (its aliquot sum) s(n): 38383987070
• 31811520130 is an abundant number, because the sum of its proper divisors (38383987070) is greater than itself. Its abundance is 6572466940

Bases of 31811520130

• Binary: 11101101000000111010100011010000010₂
• Hexadecimal: 0x7681D4682
• Base-36: EM3RA0Y

Squares and roots of 31811520130

• 31811520130 squared (31811520130²) is 1011972812981395216900
• 31811520130 cubed (31811520130³) is 32192393511170379257900066197000
• The square root of 31811520130 is 178357.8429169853
• The cube root of 31811520130 is 3168.5566354133

Scales and comparisons

• 31,811,520,130 seconds is equal to 1,011 years, 26 weeks, 2 days, 21 hours, 22 minutes, 10 seconds.
• To count from 1 to 31,811,520,130 would take you about two thousand and twenty-three 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 31811520130 cubic inches would be around 264 feet tall.

Recreational maths with 31811520130

• 31811520130 backwards is 03102511813
• The number of decimal digits it has is: 11
• The sum of 31811520130's digits is 25
• More coming soon!