18401359668

Names of 18401359668

• Cardinal: 18401359668 can be written as Eighteen billion, four hundred one million, three hundred fifty-nine thousand, six hundred sixty-eight.

Scientific notation

• Scientific notation: 1.8401359668 × 10¹⁰

Factors of 18401359668

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 373

Divisors of 18401359668

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 12 23 46 59 69 92 107 118 138 177 179 214 236 276 321 354 358 428 537 642 708 716 1074 1284 1357 2148 2461 2714 3481 4071 4117 4922 5428 6313 6962 7383 8142 8234 9844 10443 10561 12351 12626 13924 14766 16284 16468 18939 19153 20886 21122 24702 25252 29532 31683 37878 38306 41772 42244 49404 57459 63366 75756 76612 80063 114918 126732 145199 160126 229836 240189 242903 290398 320252 372467 435597 440519 480378 485806 580796 623099 728709 744934 871194 881038 960756 971612 1117401 1130027 1246198 1321557 1457418 1489868 1742388 1762076 1869297 2234802 2260054 2492396 2643114 2914836 3390081 3738594 4469604 4520108 5286228 6780162 7477188 8566741 13560324 14331277 17133482 25700223 25990621 28662554 34266964 42993831 51400446 51981242 57325108 66671593 77971863 85987662 102800892 103962484 133343186 155943726 171975324 200014779 266686372 311887452 400029558 800059116 1533446639 3066893278 4600339917 6133786556 9200679834 18401359668
• Sum of all divisors σ(n): 46258490880
• Sum of proper divisors (its aliquot sum) s(n): 27857131212
• 18401359668 is an abundant number, because the sum of its proper divisors (27857131212) is greater than itself. Its abundance is 9455771544

Bases of 18401359668

• Binary: 10001001000110011100111011100110100₂
• Hexadecimal: 0x448CE7734
• Base-36: 8GBOZZO

Squares and roots of 18401359668

• 18401359668 squared (18401359668²) is 338610037631097070224
• 18401359668 cubed (18401359668³) is 6230885089644831890612877325632
• The square root of 18401359668 is 135651.6113726631
• The cube root of 18401359668 is 2640.0772698917

Scales and comparisons

• 18,401,359,668 seconds is equal to 585 years, 5 weeks, 3 days, 16 hours, 47 minutes, 48 seconds.
• To count from 1 to 18,401,359,668 would take you about one thousand, one hundred seventy 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 18401359668 cubic inches would be around 220 feet tall.

Recreational maths with 18401359668

• 18401359668 backwards is 86695310481
• The number of decimal digits it has is: 11
• The sum of 18401359668's digits is 51
• More coming soon!