13386971990

Names of 13386971990

• Cardinal: 13386971990 can be written as Thirteen billion, three hundred eighty-six million, nine hundred seventy-one thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 1.338697199 × 10¹⁰

Factors of 13386971990

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2235

Divisors of 13386971990

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 5 7 10 14 35 43 49 70 86 98 215 245 301 347 430 490 602 694 1505 1735 1831 2107 2429 3010 3470 3662 4214 4858 9155 10535 12145 12817 14921 17003 18310 21070 24290 25634 29842 34006 64085 74605 78733 85015 89719 104447 128170 149210 157466 170030 179438 208894 393665 448595 522235 551131 635357 731129 787330 897190 1044470 1102262 1270714 1462258 2755655 3176785 3655645 3857917 4447499 5511310 6353570 7311290 7715834 8894998 19289585 22237495 27320351 31132493 38579170 44474990 54640702 62264986 136601755 155662465 191242457 273203510 311324930 382484914 956212285 1338697199 1912424570 2677394398 6693485995 13386971990
• Sum of all divisors σ(n): 28780925184
• Sum of proper divisors (its aliquot sum) s(n): 15393953194
• 13386971990 is an abundant number, because the sum of its proper divisors (15393953194) is greater than itself. Its abundance is 2006981204

Bases of 13386971990

• Binary: 1100011101111011001111101101010110₂
• Hexadecimal: 0x31DECFB56
• Base-36: 65E99P2

Squares and roots of 13386971990

• 13386971990 squared (13386971990²) is 179211019061044560100
• 13386971990 cubed (13386971990³) is 2399092892469559626200571599000
• The square root of 13386971990 is 115702.0829112423
• The cube root of 13386971990 is 2374.4377314947

Scales and comparisons

• 13,386,971,990 seconds is equal to 425 years, 34 weeks, 3 days, 19 hours, 19 minutes, 50 seconds.
• To count from 1 to 13,386,971,990 would take you about eight hundred fifty-one 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 13386971990 cubic inches would be around 197.9 feet tall.

Recreational maths with 13386971990

• 13386971990 backwards is 09917968331
• The number of decimal digits it has is: 11
• The sum of 13386971990's digits is 56
• More coming soon!