18221104720

Names of 18221104720

• Cardinal: 18221104720 can be written as Eighteen billion, two hundred twenty-one million, one hundred four thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.822110472 × 10¹⁰

Factors of 18221104720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1425

Divisors of 18221104720

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 26 28 35 40 49 52 56 65 70 80 91 98 104 112 130 140 182 196 208 245 260 280 337 364 392 455 490 520 560 637 674 728 784 910 980 1040 1061 1274 1348 1456 1685 1820 1960 2122 2359 2548 2696 3185 3370 3640 3920 4244 4381 4718 5096 5305 5392 6370 6740 7280 7427 8488 8762 9436 10192 10610 11795 12740 13480 13793 14854 16513 16976 17524 18872 21220 21905 23590 25480 26960 27586 29708 30667 33026 35048 37135 37744 42440 43810 47180 50960 51989 55172 59416 61334 66052 68965 70096 74270 82565 84880 87620 94360 96551 103978 110344 118832 122668 132104 137930 148540 153335 165130 175240 188720 193102 207956 214669 220688 245336 259945 264208 275860 297080 306670 330260 350480 357557 386204 415912 429338 482755 490672 519890 551720 594160 613340 660520 675857 715114 772408 831824 858676 965510 1039780 1073345 1103440 1226680 1321040 1351714 1430228 1544816 1717352 1787785 1931020 2079560 2146690 2453360 2502899 2703428 2860456 3379285 3434704 3575570 3862040 4159120 4293380 4648241 5005798 5406856 5720912 6758570 7151140 7724080 8586760 9296482 10011596 10813712 12514495 13517140 14302280 17173520 17520293 18592964 20023192 23241205 25028990 27034280 28604560 32537687 35040586 37185928 40046384 46482410 50057980 54068560 65075374 70081172 74371856 87601465 92964820 100115960 130150748 140162344 162688435 175202930 185929640 200231920 227763809 260301496 280324688 325376870 350405860 371859280 455527618 520602992 650753740 700811720 911055236 1138819045 1301507480 1401623440 1822110472 2277638090 2603014960 3644220944 4555276180 9110552360 18221104720
• Sum of all divisors σ(n): 53279121168
• Sum of proper divisors (its aliquot sum) s(n): 35058016448
• 18221104720 is an abundant number, because the sum of its proper divisors (35058016448) is greater than itself. Its abundance is 16836911728

Bases of 18221104720

• Binary: 10000111110000011111111111001010000₂
• Hexadecimal: 0x43E0FFE50
• Base-36: 8DCDIDS

Squares and roots of 18221104720

• 18221104720 squared (18221104720²) is 332008657217206278400
• 18221104720 cubed (18221104720³) is 6049564511101299384567874048000
• The square root of 18221104720 is 134985.5722660759
• The cube root of 18221104720 is 2631.4284634965

Scales and comparisons

• 18,221,104,720 seconds is equal to 579 years, 19 weeks, 3 days, 9 hours, 58 minutes, 40 seconds.
• To count from 1 to 18,221,104,720 would take you about one thousand, one hundred fifty-eight 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 18221104720 cubic inches would be around 219.3 feet tall.

Recreational maths with 18221104720

• 18221104720 backwards is 02740112281
• 18221104720 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18221104720's digits is 28
• More coming soon!