27979728140

Names of 27979728140

• Cardinal: 27979728140 can be written as Twenty-seven billion, nine hundred seventy-nine million, seven hundred twenty-eight thousand, one hundred forty.

Scientific notation

• Scientific notation: 2.797972814 × 10¹⁰

Factors of 27979728140

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 17447

Divisors of 27979728140

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 7 10 13 14 20 26 28 35 49 52 65 70 91 98 127 130 140 182 196 245 254 260 364 455 490 508 635 637 889 910 980 1270 1274 1651 1778 1820 2540 2548 3185 3302 3556 4445 6223 6370 6604 8255 8890 11557 12446 12740 16510 17293 17780 23114 24892 31115 33020 34586 46228 57785 62230 69172 80899 86465 115570 121051 124460 161798 172930 224809 231140 242102 323596 345860 404495 449618 484204 605255 808990 847357 899236 1124045 1210510 1573663 1617980 1694714 2196211 2248090 2421020 3147326 3389428 4236785 4392422 4496180 6294652 7868315 8473570 8784844 10981055 11015641 15373477 15736630 16947140 21962110 22031282 28550743 30746954 31473260 43924220 44062564 55078205 57101486 61493908 76867385 107614339 110156410 114202972 142753715 153734770 199855201 215228678 220312820 285507430 307469540 399710402 430457356 538071695 571014860 799420804 999276005 1076143390 1398986407 1998552010 2152286780 2797972814 3997104020 5595945628 6994932035 13989864070 27979728140
• Sum of all divisors σ(n): 74192090112
• Sum of proper divisors (its aliquot sum) s(n): 46212361972
• 27979728140 is an abundant number, because the sum of its proper divisors (46212361972) is greater than itself. Its abundance is 18232633832

Bases of 27979728140

• Binary: 11010000011101110001100010100001100₂
• Hexadecimal: 0x683B8C50C
• Base-36: CUQEOEK

Squares and roots of 27979728140

• 27979728140 squared (27979728140²) is 782865186788307859600
• 27979728140 cubed (27979728140³) is 21904355096607173642233289144000
• The square root of 27979728140 is 167271.4205714771
• The cube root of 27979728140 is 3035.8559698731

Scales and comparisons

• 27,979,728,140 seconds is equal to 889 years, 34 weeks, 5 days, 10 hours, 42 minutes, 20 seconds.
• To count from 1 to 27,979,728,140 would take you about one thousand, seven hundred seventy-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 27979728140 cubic inches would be around 253 feet tall.

Recreational maths with 27979728140

• 27979728140 backwards is 04182797972
• The number of decimal digits it has is: 11
• The sum of 27979728140's digits is 56
• More coming soon!