20990829749820

Names of 20990829749820

• Cardinal: 20990829749820 can be written as Twenty trillion, nine hundred ninety billion, eight hundred twenty-nine million, seven hundred forty-nine thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 2.099082974982 × 10¹³

Factors of 20990829749820

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 74962

Divisors of 20990829749820

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 353 420 706 1059 1412 1765 1949 2118 2471 3530 3898 4236 4942 5295 5847 7060 7413 7796 9745 9884 10590 11694 12355 13643 14826 19490 21180 23388 24710 27286 29235 29652 37065 38980 40929 49420 54572 58470 68215 72643 74130 81858 116940 136430 145286 148260 163716 204645 217929 272860 290572 363215 409290 435858 508501 687997 726430 818580 871716 1017002 1089645 1375994 1452860 1525503 2034004 2063991 2179290 2542505 2751988 3051006 3439985 4127982 4358580 4815979 5085010 6102012 6879970 7627515 8255964 9631958 10170020 10319955 13759940 14447937 15255030 19263916 20639910 24079895 25642979 28895874 30510060 41279820 48159790 51285958 57791748 72239685 76928937 96319580 102571916 128214895 141581207 144479370 153857874 179500853 256429790 283162414 288958740 307715748 359001706 384644685 424743621 512859580 538502559 566324828 707906035 718003412 769289370 849487242 897504265 991068449 1077005118 1415812070 1538578740 1698974484 1795008530 1982136898 2123718105 2154010236 2692512795 2831624140 2973205347 3590017060 3964273796 4247436210 4955342245 5385025590 5946410694 8494872420 9910684490 10770051180 11892821388 14866026735 19821368980 29732053470 49978166071 59464106940 99956332142 149934498213 199912664284 249890830355 299868996426 349847162497 499781660710 599737992852 699694324994 749672491065 999563321420 1049541487491 1399388649988 1499344982130 1749235812485 2099082974982 2998689964260 3498471624970 4198165949964 5247707437455 6996943249940 10495414874910 20990829749820
• Sum of all divisors σ(n): 67396429900800
• Sum of proper divisors (its aliquot sum) s(n): 46405600150980
• 20990829749820 is an abundant number, because the sum of its proper divisors (46405600150980) is greater than itself. Its abundance is 25414770401160

Bases of 20990829749820

• Binary: 100110001011101001110111100110110011000111100₂
• Hexadecimal: 0x13174EF3663C
• Base-36: 7FV1Y2DDO

Squares and roots of 20990829749820

• 20990829749820 squared (20990829749820²) is 440614933585928363790032400
• 20990829749820 cubed (20990829749820³) is 9248873056130468591967167749901694168000
• The square root of 20990829749820 is 4581575.0293779977
• The cube root of 20990829749820 is 27585.2253021479

Scales and comparisons

• 20,990,829,749,820 seconds is equal to 667,443 years, 23 weeks, 5 days, 9 hours, 37 minutes.
• To count from 1 to 20,990,829,749,820 would take you about one million, six hundred sixty-eight thousand, six hundred eight 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 20990829749820 cubic inches would be around 2298.8 feet tall.

Recreational maths with 20990829749820

• 20990829749820 backwards is 02894792809902
• The number of decimal digits it has is: 14
• The sum of 20990829749820's digits is 69
• More coming soon!