18820145520

Names of 18820145520

• Cardinal: 18820145520 can be written as Eighteen billion, eight hundred twenty million, one hundred forty-five thousand, five hundred twenty.

Scientific notation

• Scientific notation: 1.882014552 × 10¹⁰

Factors of 18820145520

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 5103

Divisors of 18820145520

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 30 33 36 40 44 45 48 55 60 66 72 80 88 90 99 110 120 132 144 165 176 180 198 220 240 264 330 360 396 440 495 521 528 660 720 792 880 990 1042 1320 1563 1584 1980 2084 2605 2640 3126 3960 4168 4561 4689 5210 5731 6252 7815 7920 8336 9122 9378 10420 11462 12504 13683 15630 17193 18244 18756 20840 22805 22924 23445 25008 27366 28655 31260 34386 36488 37512 41049 41680 45610 45848 46890 50171 51579 54732 57310 62520 68415 68772 72976 75024 82098 85965 91220 91696 93780 100342 103158 109464 114620 125040 136830 137544 150513 164196 171930 182440 187560 200684 205245 206316 218928 229240 250855 257895 273660 275088 301026 328392 343860 364880 375120 401368 410490 412632 451539 458480 501710 515790 547320 602052 656784 687720 752565 802736 820980 825264 903078 1003420 1031580 1094640 1204104 1375440 1505130 1641960 1806156 2006840 2063160 2257695 2376281 2408208 3010260 3283920 3612312 4013680 4126320 4515390 4752562 6020520 7128843 7224624 9030780 9505124 11881405 12041040 14257686 18061560 19010248 21386529 23762810 26139091 28515372 35644215 36123120 38020496 42773058 47525620 52278182 57030744 71288430 78417273 85546116 95051240 104556364 106932645 114061488 130695455 142576860 156834546 171092232 190102480 209112728 213865290 235251819 261390910 285153720 313669092 342184464 392086365 418225456 427730580 470503638 522781820 570307440 627338184 784172730 855461160 941007276 1045563640 1176259095 1254676368 1568345460 1710922320 1882014552 2091127280 2352518190 3136690920 3764029104 4705036380 6273381840 9410072760 18820145520
• Sum of all divisors σ(n): 69097657824
• Sum of proper divisors (its aliquot sum) s(n): 50277512304
• 18820145520 is an abundant number, because the sum of its proper divisors (50277512304) is greater than itself. Its abundance is 31457366784

Bases of 18820145520

• Binary: 10001100001110001001010000101110000₂
• Hexadecimal: 0x461C4A170
• Base-36: 8N91180

Squares and roots of 18820145520

• 18820145520 squared (18820145520²) is 354197877393976070400
• 18820145520 cubed (18820145520³) is 6666055595429748016325764608000
• The square root of 18820145520 is 137186.5354909147
• The cube root of 18820145520 is 2659.9552218893

Scales and comparisons

• 18,820,145,520 seconds is equal to 598 years, 21 weeks, 6 days, 18 hours, 12 minutes.
• To count from 1 to 18,820,145,520 would take you about one thousand, one hundred ninety-six 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 18820145520 cubic inches would be around 221.7 feet tall.

Recreational maths with 18820145520

• 18820145520 backwards is 02554102881
• 18820145520 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18820145520's digits is 36
• More coming soon!