18509540920

Names of 18509540920

• Cardinal: 18509540920 can be written as Eighteen billion, five hundred nine million, five hundred forty thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.850954092 × 10¹⁰

Factors of 18509540920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3541

Divisors of 18509540920

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 5 8 10 13 20 26 40 43 52 65 86 104 130 172 215 257 260 344 430 514 520 559 860 1028 1118 1285 1720 2056 2236 2570 2795 3221 3341 4472 5140 5590 6442 6682 10280 11051 11180 12884 13364 16105 16705 22102 22360 25768 26728 32210 33410 41873 44204 55255 64420 66820 83746 88408 110510 128840 133640 138503 143663 167492 209365 221020 277006 287326 334984 418730 442040 554012 574652 692515 718315 827797 837460 1108024 1149304 1385030 1436630 1655594 1674920 1800539 2770060 2873260 3311188 3601078 4138985 5540120 5746520 6622376 7202156 8277970 9002695 10761361 14404312 16555940 18005390 21522722 33111880 35595271 36010780 43045444 53806805 71190542 72021560 86090888 107613610 142381084 177976355 215227220 284762168 355952710 430454440 462738523 711905420 925477046 1423810840 1850954092 2313692615 3701908184 4627385230 9254770460 18509540920
• Sum of all divisors σ(n): 46085941440
• Sum of proper divisors (its aliquot sum) s(n): 27576400520
• 18509540920 is an abundant number, because the sum of its proper divisors (27576400520) is greater than itself. Its abundance is 9066859600

Bases of 18509540920

• Binary: 10001001111010000010010111000111000₂
• Hexadecimal: 0x44F412E38
• Base-36: 8I43P6G

Squares and roots of 18509540920

• 18509540920 squared (18509540920²) is 342603105069154446400
• 18509540920 cubed (18509540920³) is 6341426192596573655440746688000
• The square root of 18509540920 is 136049.7736859565
• The cube root of 18509540920 is 2645.2408193607

Scales and comparisons

• 18,509,540,920 seconds is equal to 588 years, 28 weeks, 2 days, 19 hours, 8 minutes, 40 seconds.
• To count from 1 to 18,509,540,920 would take you about one thousand, one hundred seventy-seven 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 18509540920 cubic inches would be around 220.4 feet tall.

Recreational maths with 18509540920

• 18509540920 backwards is 02904590581
• 18509540920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18509540920's digits is 43
• More coming soon!