20428268040

Names of 20428268040

• Cardinal: 20428268040 can be written as Twenty billion, four hundred twenty-eight million, two hundred sixty-eight thousand and forty.

Scientific notation

• Scientific notation: 2.042826804 × 10¹⁰

Factors of 20428268040

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2633

Divisors of 20428268040

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 41 45 54 60 61 72 81 82 90 108 120 122 123 135 162 164 180 183 205 216 244 246 270 305 324 328 360 366 369 405 410 488 492 540 549 610 615 648 732 738 810 820 915 984 1080 1098 1107 1220 1230 1464 1476 1620 1640 1647 1830 1845 2196 2214 2440 2460 2501 2521 2745 2952 3240 3294 3321 3660 3690 4392 4428 4920 4941 5002 5042 5490 5535 6588 6642 7320 7380 7503 7563 8235 8856 9882 10004 10084 10980 11070 12505 12605 13176 13284 14760 15006 15126 16470 16605 19764 20008 20168 21960 22140 22509 22689 24705 25010 25210 26568 30012 30252 32940 33210 37515 37815 39528 44280 45018 45378 49410 50020 50420 60024 60504 65880 66420 67527 68067 75030 75630 90036 90756 98820 100040 100840 103361 112545 113445 132840 135054 136134 150060 151260 153781 180072 181512 197640 202581 204201 206722 225090 226890 270108 272268 300120 302520 307562 310083 337635 340335 405162 408402 413444 450180 453780 461343 516805 540216 544536 615124 620166 675270 680670 768905 810324 816804 826888 900360 907560 922686 930249 1012905 1021005 1033610 1230248 1240332 1350540 1361340 1384029 1537810 1550415 1620648 1633608 1845372 1860498 2025810 2042010 2067220 2306715 2480664 2701080 2722680 2768058 2790747 3075620 3100830 3690744 3720996 4051620 4084020 4134440 4152087 4613430 4651245 5536116 5581494 6151240 6201660 6305021 6920145 7441992 8103240 8168040 8304174 8372241 9226860 9302490 11072232 11162988 12403320 12456261 12610042 13840290 13953735 16608348 16744482 18453720 18604980 18915063 20760435 22325976 24912522 25220084 27680580 27907470 31525105 33216696 33488964 37209960 37830126 41520870 41861205 49825044 50440168 55361160 55814940 56745189 62281305 63050210 66977928 75660252 83041740 83722410 94575315 99650088 111629880 113490378 124562610 126100420 151320504 166083480 167444820 170235567 189150630 226980756 249125220 252200840 283725945 334889640 340471134 378301260 453961512 498250440 510706701 567451890 680942268 756602520 851177835 1021413402 1134903780 1361884536 1702355670 2042826804 2269807560 2553533505 3404711340 4085653608 5107067010 6809422680 10214134020 20428268040
• Sum of all divisors σ(n): 71517766320
• Sum of proper divisors (its aliquot sum) s(n): 51089498280
• 20428268040 is an abundant number, because the sum of its proper divisors (51089498280) is greater than itself. Its abundance is 30661230240

Bases of 20428268040

• Binary: 10011000001100111101010001000001000₂
• Hexadecimal: 0x4C19EA208
• Base-36: 9DUGOI0

Squares and roots of 20428268040

• 20428268040 squared (20428268040²) is 417314135114085441600
• 20428268040 cubed (20428268040³) is 8525005008991313380466566464000
• The square root of 20428268040 is 142927.4922469431
• The cube root of 20428268040 is 2733.6559158575

Scales and comparisons

• 20,428,268,040 seconds is equal to 649 years, 28 weeks, 6 days, 6 hours, 54 minutes.
• To count from 1 to 20,428,268,040 would take you about one thousand, two hundred ninety-nine 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 20428268040 cubic inches would be around 227.8 feet tall.

Recreational maths with 20428268040

• 20428268040 backwards is 04086282402
• 20428268040 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20428268040's digits is 36
• More coming soon!