20017644738

Names of 20017644738

• Cardinal: 20017644738 can be written as Twenty billion, seventeen million, six hundred forty-four thousand, seven hundred thirty-eight.

Scientific notation

• Scientific notation: 2.0017644738 × 10¹⁰

Factors of 20017644738

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1865

Divisors of 20017644738

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 6 7 13 14 17 21 26 34 39 42 49 51 78 91 98 102 119 147 169 182 221 238 273 294 338 357 442 507 546 637 663 714 833 1014 1183 1274 1326 1547 1666 1823 1911 2197 2366 2499 2873 3094 3549 3646 3822 4394 4641 4998 5469 5746 6591 7098 8281 8619 9282 10829 10938 12761 13182 15379 16562 17238 20111 21658 23699 24843 25522 30758 30991 32487 37349 38283 40222 46137 47398 49686 60333 61982 64974 71097 74698 76566 89327 92274 92973 107653 112047 120666 140777 142194 165893 178654 185946 215306 216937 224094 261443 267981 281554 308087 322959 331786 402883 422331 433874 497679 522886 535962 616174 645918 650811 784329 805766 844662 924261 995358 1161251 1208649 1301622 1518559 1568658 1830101 1848522 2156609 2322502 2417298 2820181 3037118 3483753 3660202 4005131 4313218 4555677 5237479 5490303 5640362 6469827 6967506 8010262 8460543 9111354 10474958 10980606 12015393 12939654 15096263 15712437 16921086 19741267 24030786 28035917 30192526 31424874 36662353 39482534 45288789 56071834 59223801 68087227 73324706 84107751 90577578 109987059 118447602 136174454 168215502 196251419 204261681 219974118 256636471 392502838 408523362 476610589 513272942 588754257 769909413 953221178 1177508514 1429831767 1539818826 2859663534 3336274123 6672548246 10008822369 20017644738
• Sum of all divisors σ(n): 53447869440
• Sum of proper divisors (its aliquot sum) s(n): 33430224702
• 20017644738 is an abundant number, because the sum of its proper divisors (33430224702) is greater than itself. Its abundance is 13412579964

Bases of 20017644738

• Binary: 10010101001001001010000010011000010₂
• Hexadecimal: 0x4A92504C2
• Base-36: 971ZLJ6

Squares and roots of 20017644738

• 20017644738 squared (20017644738²) is 400706100856779088644
• 20017644738 cubed (20017644738³) is 8021192371300201215423002155272
• The square root of 20017644738 is 141483.7260535641
• The cube root of 20017644738 is 2715.2156350883

Scales and comparisons

• 20,017,644,738 seconds is equal to 636 years, 25 weeks, 6 days, 16 hours, 52 minutes, 18 seconds.
• To count from 1 to 20,017,644,738 would take you about one thousand, two hundred seventy-two 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 20017644738 cubic inches would be around 226.3 feet tall.

Recreational maths with 20017644738

• 20017644738 backwards is 83744671002
• 20017644738 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20017644738's digits is 42
• More coming soon!