31395490308

Names of 31395490308

• Cardinal: 31395490308 can be written as Thirty-one billion, three hundred ninety-five million, four hundred ninety thousand, three hundred eight.

Scientific notation

• Scientific notation: 3.1395490308 × 10¹⁰

Factors of 31395490308

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 8126

Divisors of 31395490308

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 7 9 12 13 14 18 21 26 28 36 39 42 49 52 63 78 84 91 98 117 126 147 156 169 182 196 234 252 273 294 338 364 441 468 507 546 588 637 676 819 882 1014 1092 1183 1274 1521 1638 1764 1911 2028 2197 2366 2548 3042 3276 3549 3822 4394 4732 5733 6084 6591 7098 7644 8101 8281 8788 10647 11466 13182 14196 15379 16202 16562 19773 21294 22932 24303 24843 26364 30758 32404 33124 39546 42588 46137 48606 49686 56707 61516 72909 74529 79092 92274 97212 99372 105313 107653 113414 138411 145818 149058 170121 184548 210626 215306 226828 276822 291636 298116 315939 322959 340242 396949 421252 430612 510363 553644 631878 645918 680484 737191 793898 947817 968877 1020726 1190847 1263756 1291836 1369069 1474382 1587796 1895634 1937754 2041452 2211573 2381694 2738138 2948764 3572541 3791268 3875508 4107207 4423146 4763388 5160337 5476276 6634719 7145082 8214414 8846292 9583483 10320674 12321621 13269438 14290164 15481011 16428828 17797897 19166966 20641348 24643242 26538876 28750449 30962022 35595794 38333932 46443033 49286484 53393691 57500898 61924044 67084381 71191588 86251347 92886066 106787382 115001796 124585279 134168762 160181073 172502694 185772132 201253143 213574764 249170558 268337524 320362146 345005388 373755837 402506286 498341116 603759429 640724292 747511674 805012572 872096953 1121267511 1207518858 1495023348 1744193906 2242535022 2415037716 2616290859 3488387812 4485070044 5232581718 7848872577 10465163436 15697745154 31395490308
• Sum of all divisors σ(n): 100019676120
• Sum of proper divisors (its aliquot sum) s(n): 68624185812
• 31395490308 is an abundant number, because the sum of its proper divisors (68624185812) is greater than itself. Its abundance is 37228695504

Bases of 31395490308

• Binary: 11101001111010100010010101000000100₂
• Hexadecimal: 0x74F512A04
• Base-36: EF82BD0

Squares and roots of 31395490308

• 31395490308 squared (31395490308²) is 985676811679721934864
• 31395490308 cubed (31395490308³) is 30945806787911051206157719298112
• The square root of 31395490308 is 177187.7261776335
• The cube root of 31395490308 is 3154.6832264087

Scales and comparisons

• 31,395,490,308 seconds is equal to 998 years, 14 weeks, 3 days, 17 hours, 31 minutes, 48 seconds.
• To count from 1 to 31,395,490,308 would take you about one thousand, nine hundred ninety-six 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 31395490308 cubic inches would be around 262.9 feet tall.

Recreational maths with 31395490308

• 31395490308 backwards is 80309459313
• The number of decimal digits it has is: 11
• The sum of 31395490308's digits is 45
• More coming soon!