12389147220

Names of 12389147220

• Cardinal: 12389147220 can be written as Twelve billion, three hundred eighty-nine million, one hundred forty-seven thousand, two hundred twenty.

Scientific notation

• Scientific notation: 1.238914722 × 10¹⁰

Factors of 12389147220

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 35063

Divisors of 12389147220

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 19 20 30 38 57 60 76 95 114 190 228 285 313 380 570 626 939 1140 1252 1565 1878 3130 3756 4695 5947 6260 9390 11894 17841 18780 23788 29735 34721 35682 59470 69442 71364 89205 104163 118940 138884 173605 178410 208326 347210 356820 416652 520815 659699 694420 1041630 1319398 1979097 2083260 2638796 3298495 3958194 6596990 7916388 9895485 10867673 13193980 19790970 21735346 32603019 39581940 43470692 54338365 65206038 108676730 130412076 163015095 206485787 217353460 326030190 412971574 619457361 652060380 825943148 1032428935 1238914722 2064857870 2477829444 3097286805 4129715740 6194573610 12389147220
• Sum of all divisors σ(n): 36633098880
• Sum of proper divisors (its aliquot sum) s(n): 24243951660
• 12389147220 is an abundant number, because the sum of its proper divisors (24243951660) is greater than itself. Its abundance is 11854804440

Bases of 12389147220

• Binary: 1011100010011100110110001001010100₂
• Hexadecimal: 0x2E2736254
• Base-36: 5OW6F6C

Squares and roots of 12389147220

• 12389147220 squared (12389147220²) is 153490968838833728400
• 12389147220 cubed (12389147220³) is 1901622209884743514249095048000
• The square root of 12389147220 is 111306.5461686777
• The cube root of 12389147220 is 2313.9135959823

Scales and comparisons

• 12,389,147,220 seconds is equal to 393 years, 48 weeks, 4 days, 21 hours, 47 minutes.
• To count from 1 to 12,389,147,220 would take you about seven hundred eighty-seven 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 12389147220 cubic inches would be around 192.8 feet tall.

Recreational maths with 12389147220

• 12389147220 backwards is 02274198321
• The number of decimal digits it has is: 11
• The sum of 12389147220's digits is 39
• More coming soon!