18280988046

Names of 18280988046

• Cardinal: 18280988046 can be written as Eighteen billion, two hundred eighty million, nine hundred eighty-eight thousand and forty-six.

Scientific notation

• Scientific notation: 1.8280988046 × 10¹⁰

Factors of 18280988046

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 210

Divisors of 18280988046

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 6 9 17 18 34 37 51 74 102 111 151 153 222 289 302 306 333 453 578 629 666 867 906 1258 1359 1369 1734 1887 2567 2601 2718 2738 3774 4107 4913 5134 5202 5587 5661 7701 8214 9826 10693 11174 11322 12321 14739 15402 16761 21386 23103 23273 24642 29478 32079 33522 43639 44217 46206 46546 50283 64158 69819 87278 88434 94979 96237 100566 130917 139638 181781 189958 192474 206719 209457 261834 284937 363562 392751 395641 413438 418914 545343 569874 620157 741863 785502 791282 854811 1090686 1186923 1240314 1483726 1614643 1636029 1709622 1860471 2225589 2373846 3229286 3272058 3514223 3560769 3720942 4451178 4843929 6676767 6725897 7028446 7121538 9687858 10542669 13353534 13451794 14531787 20177691 21085338 27448931 29063574 31628007 40355382 54897862 59741791 60533073 63256014 82346793 119483582 121066146 164693586 179225373 247040379 358450746 494080758 537676119 1015610447 1075352238 2031220894 3046831341 6093662682 9140494023 18280988046
• Sum of all divisors σ(n): 43538433120
• Sum of proper divisors (its aliquot sum) s(n): 25257445074
• 18280988046 is an abundant number, because the sum of its proper divisors (25257445074) is greater than itself. Its abundance is 6976457028

Bases of 18280988046

• Binary: 10001000001101000011011110110001110₂
• Hexadecimal: 0x441A1BD8E
• Base-36: 8EC10NI

Squares and roots of 18280988046

• 18280988046 squared (18280988046²) is 334194523937994898116
• 18280988046 cubed (18280988046³) is 6109406097149145577667583921336
• The square root of 18280988046 is 135207.2041201949
• The cube root of 18280988046 is 2634.3080250261

Scales and comparisons

• 18,280,988,046 seconds is equal to 581 years, 14 weeks, 3 days, 12 hours, 14 minutes, 6 seconds.
• To count from 1 to 18,280,988,046 would take you about one thousand, one hundred sixty-two 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 18280988046 cubic inches would be around 219.5 feet tall.

Recreational maths with 18280988046

• 18280988046 backwards is 64088908281
• The number of decimal digits it has is: 11
• The sum of 18280988046's digits is 54
• More coming soon!