30305181018

Names of 30305181018

• Cardinal: 30305181018 can be written as Thirty billion, three hundred five million, one hundred eighty-one thousand and eighteen.

Scientific notation

• Scientific notation: 3.0305181018 × 10¹⁰

Factors of 30305181018

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 137

Divisors of 30305181018

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 6 7 14 21 23 29 42 46 49 58 69 73 87 98 138 146 147 161 174 203 219 294 322 406 438 483 511 609 667 841 966 1022 1127 1218 1334 1421 1533 1679 1682 2001 2117 2254 2523 2842 3066 3358 3381 3577 4002 4234 4263 4669 5037 5046 5329 5887 6351 6762 7154 8526 9338 10074 10658 10731 11753 11774 12702 14007 14819 15987 17661 19343 21462 23506 28014 29638 31974 32683 35259 35322 37303 38686 41209 44457 48691 58029 61393 65366 70518 74606 82271 82418 88914 97382 98049 103733 111909 116058 122567 122786 123627 135401 146073 154541 164542 184179 196098 207466 223818 245134 246813 247254 261121 270802 292146 309082 311199 340837 367701 368358 406203 429751 463623 493626 522242 622398 681674 735402 783363 812406 857969 859502 927246 947807 1022511 1081787 1289253 1412039 1566726 1715938 1895614 2045022 2163574 2385859 2573907 2578506 2824078 2843421 3008257 3245361 3554443 4236117 4481689 4771718 5147814 5686842 6005783 6016514 6490722 7108886 7157577 7572509 8472234 8963378 9024771 9884273 10663329 12011566 13445067 14315154 15145018 18017349 18049542 19768546 21326658 22717527 24881101 26890134 29652819 31371823 36034698 45435054 49762202 59305638 62743646 69189911 74643303 94115469 103078847 138379822 149286606 174167707 188230938 206157694 207569733 219602761 309236541 348335414 415139466 439205522 522503121 618473082 658808283 721551929 1045006242 1317616566 1443103858 2164655787 4329311574 5050863503 10101727006 15152590509 30305181018
• Sum of all divisors σ(n): 77253909408
• Sum of proper divisors (its aliquot sum) s(n): 46948728390
• 30305181018 is an abundant number, because the sum of its proper divisors (46948728390) is greater than itself. Its abundance is 16643547372

Bases of 30305181018

• Binary: 11100001110010101000101110101011010₂
• Hexadecimal: 0x70E545D5A
• Base-36: DX6X7BU

Squares and roots of 30305181018

• 30305181018 squared (30305181018²) is 918403996533747516324
• 30305181018 cubed (30305181018³) is 27832399362609863028106729937832
• The square root of 30305181018 is 174083.8333045315
• The cube root of 30305181018 is 3117.7332942415

Scales and comparisons

• 30,305,181,018 seconds is equal to 963 years, 31 weeks, 5 days, 9 hours, 50 minutes, 18 seconds.
• To count from 1 to 30,305,181,018 would take you about one thousand, nine hundred twenty-seven 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 30305181018 cubic inches would be around 259.8 feet tall.

Recreational maths with 30305181018

• 30305181018 backwards is 81018150303
• The number of decimal digits it has is: 11
• The sum of 30305181018's digits is 30
• More coming soon!