18249889842

Names of 18249889842

• Cardinal: 18249889842 can be written as Eighteen billion, two hundred forty-nine million, eight hundred eighty-nine thousand, eight hundred forty-two.

Scientific notation

• Scientific notation: 1.8249889842 × 10¹⁰

Factors of 18249889842

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 193

Divisors of 18249889842

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 6 9 18 19 27 37 38 54 57 61 71 74 81 111 114 122 142 162 171 183 213 222 333 342 366 426 513 549 639 666 703 999 1026 1098 1159 1278 1349 1369 1406 1539 1647 1917 1998 2109 2257 2318 2627 2698 2738 2997 3078 3294 3477 3834 4047 4107 4218 4331 4514 4941 5254 5751 5994 6327 6771 6954 7881 8094 8214 8662 9882 10431 11502 12141 12321 12654 12993 13542 15762 18981 20313 20862 23643 24282 24642 25986 26011 31293 36423 36963 37962 38979 40626 42883 47286 49913 52022 56943 60939 62586 70929 72846 73926 77958 78033 82289 83509 85766 93879 97199 99826 109269 110889 113886 116937 121878 128649 141858 149739 156066 160247 164578 167018 182817 187758 194398 212787 218538 221778 233874 234099 246867 250527 257298 291597 299478 320494 350811 365634 385947 425574 449217 468198 480741 493734 501054 583194 701622 702297 740601 751581 771894 874791 898434 961482 1157841 1347651 1404594 1442223 1481202 1503162 1586671 1749582 1846781 2106891 2221803 2254743 2315682 2624373 2695302 2884446 3044693 3173342 3473523 3693562 4042953 4213782 4326669 4443606 4509486 4760013 5248746 5540343 5929139 6089386 6665409 6764229 6947046 7873119 8085906 8653338 9134079 9520026 11080686 11858278 12980007 13330818 13528458 14280039 15746238 16621029 17787417 18268158 25960014 27402237 28560078 33242058 35574834 42840117 49863087 53362251 54804474 82206711 85680234 99726174 106724502 112653641 128520351 149589261 160086753 164413422 225307282 246620133 257040702 299178522 320173506 337960923 480260259 493240266 675921846 960520518 1013882769 2027765538 3041648307 6083296614 9124944921 18249889842
• Sum of all divisors σ(n): 45598956480
• Sum of proper divisors (its aliquot sum) s(n): 27349066638
• 18249889842 is an abundant number, because the sum of its proper divisors (27349066638) is greater than itself. Its abundance is 9099176796

Bases of 18249889842

• Binary: 10000111111110001110011100000110010₂
• Hexadecimal: 0x43FC73832
• Base-36: 8DTIH4I

Squares and roots of 18249889842

• 18249889842 squared (18249889842²) is 333058479245134784964
• 18249889842 cubed (18249889842³) is 6078280557167753140035357935688
• The square root of 18249889842 is 135092.1531473979
• The cube root of 18249889842 is 2632.8134167957

Scales and comparisons

• 18,249,889,842 seconds is equal to 580 years, 15 weeks, 13 hours, 50 minutes, 42 seconds.
• To count from 1 to 18,249,889,842 would take you about one thousand, one hundred sixty 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 18249889842 cubic inches would be around 219.4 feet tall.

Recreational maths with 18249889842

• 18249889842 backwards is 24898894281
• The number of decimal digits it has is: 11
• The sum of 18249889842's digits is 63
• More coming soon!