18017564992

Names of 18017564992

• Cardinal: 18017564992 can be written as Eighteen billion, seventeen million, five hundred sixty-four thousand, nine hundred ninety-two.

Scientific notation

• Scientific notation: 1.8017564992 × 10¹⁰

Factors of 18017564992

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 3215

Divisors of 18017564992

• Number of divisors d(n): 140
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 37 49 56 64 74 98 112 148 196 224 259 296 343 392 448 518 592 686 784 1036 1184 1372 1568 1813 2072 2368 2401 2744 3136 3169 3626 4144 4802 5488 6338 7252 8288 9604 10976 12676 12691 14504 16576 19208 21952 22183 25352 25382 29008 38416 44366 50704 50764 58016 76832 88732 88837 101408 101528 116032 117253 153664 155281 177464 177674 202816 203056 234506 310562 354928 355348 406112 469012 621124 709856 710696 812224 820771 938024 1086967 1242248 1419712 1421392 1641542 1876048 2173934 2484496 2842784 3283084 3752096 4347868 4968992 5685568 5745397 6566168 7504192 7608769 8695736 9937984 11490794 13132336 15217538 17391472 22981588 26264672 30435076 34782944 40217779 45963176 52529344 60870152 69565888 80435558 91926352 121740304 160871116 183852704 243480608 281524453 321742232 367705408 486961216 563048906 643484464 1126097812 1286968928 2252195624 2573937856 4504391248 9008782496 18017564992
• Sum of all divisors σ(n): 42850874420
• Sum of proper divisors (its aliquot sum) s(n): 24833309428
• 18017564992 is an abundant number, because the sum of its proper divisors (24833309428) is greater than itself. Its abundance is 6815744436

Bases of 18017564992

• Binary: 10000110001111011100011100101000000₂
• Hexadecimal: 0x431EE3940
• Base-36: 89Z6Y4G

Squares and roots of 18017564992

• 18017564992 squared (18017564992²) is 324632648240943960064
• 18017564992 cubed (18017564992³) is 5849089838206282275882972479488
• The square root of 18017564992 is 134229.5235482863
• The cube root of 18017564992 is 2621.5935856187

Scales and comparisons

• 18,017,564,992 seconds is equal to 572 years, 46 weeks, 6 days, 15 hours, 9 minutes, 52 seconds.
• To count from 1 to 18,017,564,992 would take you about one thousand, one hundred forty-five 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 18017564992 cubic inches would be around 218.5 feet tall.

Recreational maths with 18017564992

• 18017564992 backwards is 29946571081
• The number of decimal digits it has is: 11
• The sum of 18017564992's digits is 52
• More coming soon!