20131889470

Names of 20131889470

• Cardinal: 20131889470 can be written as Twenty billion, one hundred thirty-one million, eight hundred eighty-nine thousand, four hundred seventy.

Scientific notation

• Scientific notation: 2.013188947 × 10¹⁰

Factors of 20131889470

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2918

Divisors of 20131889470

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 5 7 10 11 14 19 22 35 38 55 70 77 95 110 133 154 190 209 266 385 418 607 665 770 1045 1214 1330 1463 2090 2267 2926 3035 4249 4534 6070 6677 7315 8498 11335 11533 13354 14630 15869 21245 22670 23066 24937 31738 33385 42490 43073 46739 49874 57665 66770 79345 80731 86146 93478 115330 124685 126863 158690 161462 174559 215365 233695 249370 253726 301511 349118 403655 430730 467390 473803 603022 634315 807310 872795 888041 947606 1268630 1376069 1507555 1745590 1776082 2369015 2752138 3015110 3316621 4440205 4738030 6633242 6880345 8880410 9632483 13760690 15136759 16583105 19264966 26145311 30273518 33166210 48162415 52290622 75683795 96324830 105957313 130726555 151367590 183017177 211914626 261453110 287598421 366034354 529786565 575196842 915085885 1059573130 1437992105 1830171770 2013188947 2875984210 4026377894 10065944735 20131889470
• Sum of all divisors σ(n): 47656304640
• Sum of proper divisors (its aliquot sum) s(n): 27524415170
• 20131889470 is an abundant number, because the sum of its proper divisors (27524415170) is greater than itself. Its abundance is 7392525700

Bases of 20131889470

• Binary: 10010101111111101000100000100111110₂
• Hexadecimal: 0x4AFF4413E
• Base-36: 98Y09BY

Squares and roots of 20131889470

• 20131889470 squared (20131889470²) is 405292973632296880900
• 20131889470 cubed (20131889470³) is 8159313348133025228504554123000
• The square root of 20131889470 is 141886.8897044403
• The cube root of 20131889470 is 2720.3712669939

Scales and comparisons

• 20,131,889,470 seconds is equal to 640 years, 6 weeks, 5 days, 23 hours, 31 minutes, 10 seconds.
• To count from 1 to 20,131,889,470 would take you about one thousand, two hundred eighty 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 20131889470 cubic inches would be around 226.7 feet tall.

Recreational maths with 20131889470

• 20131889470 backwards is 07498813102
• The number of decimal digits it has is: 11
• The sum of 20131889470's digits is 43
• More coming soon!