18289551490

Names of 18289551490

• Cardinal: 18289551490 can be written as Eighteen billion, two hundred eighty-nine million, five hundred fifty-one thousand, four hundred ninety.

Scientific notation

• Scientific notation: 1.828955149 × 10¹⁰

Factors of 18289551490

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1124

Divisors of 18289551490

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 5 7 10 14 17 34 35 70 79 85 119 158 170 238 257 395 514 553 595 757 790 1106 1190 1285 1343 1514 1799 2570 2686 2765 3598 3785 4369 5299 5530 6715 7570 8738 8995 9401 10598 12869 13430 17990 18802 20303 21845 25738 26495 30583 40606 43690 47005 52990 59803 61166 64345 90083 94010 101515 119606 128690 142121 152915 180166 194549 203030 284242 299015 305830 345151 389098 418621 450415 598030 690302 710605 837242 900830 972745 1016651 1361843 1421210 1725755 1945490 2033302 2093105 2416057 2723686 3307333 3451510 4186210 4832114 5083255 6614666 6809215 7116557 10166510 12080285 13618430 14233114 15369371 16536665 23151331 24160570 30738742 33073330 35582785 46302662 71165570 76846855 107585597 115756655 153693710 215171194 231513310 261279307 522558614 537927985 1075855970 1306396535 1828955149 2612793070 3657910298 9144775745 18289551490
• Sum of all divisors σ(n): 40552151040
• Sum of proper divisors (its aliquot sum) s(n): 22262599550
• 18289551490 is an abundant number, because the sum of its proper divisors (22262599550) is greater than itself. Its abundance is 3973048060

Bases of 18289551490

• Binary: 10001000010001001000110100010000010₂
• Hexadecimal: 0x442246882
• Base-36: 8EH4K8Y

Squares and roots of 18289551490

• 18289551490 squared (18289551490²) is 334507693705361220100
• 18289551490 cubed (18289551490³) is 6117995687825352924068172949000
• The square root of 18289551490 is 135238.8682664861
• The cube root of 18289551490 is 2634.7192943309

Scales and comparisons

• 18,289,551,490 seconds is equal to 581 years, 28 weeks, 4 days, 14 hours, 58 minutes, 10 seconds.
• To count from 1 to 18,289,551,490 would take you about one thousand, one hundred sixty-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 18289551490 cubic inches would be around 219.6 feet tall.

Recreational maths with 18289551490

• 18289551490 backwards is 09415598281
• The number of decimal digits it has is: 11
• The sum of 18289551490's digits is 52
• More coming soon!