30686636820

Names of 30686636820

• Cardinal: 30686636820 can be written as Thirty billion, six hundred eighty-six million, six hundred thirty-six thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 3.068663682 × 10¹⁰

Factors of 30686636820

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 6540

Divisors of 30686636820

• 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 61 70 84 105 122 140 183 191 210 244 305 366 382 420 427 573 610 732 764 854 915 955 1146 1220 1281 1337 1708 1830 1910 2135 2292 2562 2674 2865 3660 3820 4011 4270 5124 5348 5730 6271 6405 6685 8022 8540 11460 11651 12542 12810 13370 16044 18813 20055 23302 25084 25620 26740 31355 34953 37626 40110 43897 46604 58255 62710 69906 75252 80220 81557 87794 94065 116510 125420 131691 139812 163114 174765 175588 188130 219485 233020 244671 263382 326228 349530 376260 382531 407785 438970 489342 526764 658455 699060 765062 815570 877940 978684 1147593 1197761 1223355 1316910 1530124 1631140 1912655 2295186 2395522 2446710 2633820 2677717 3593283 3825310 4590372 4791044 4893420 5355434 5737965 5988805 7186566 7650620 8033151 8384327 10710868 11475930 11977610 13388585 14373132 16066302 16768654 17966415 22951860 23955220 25152981 26777170 32132604 33537308 35932830 40165755 41921635 50305962 53554340 71865660 73063421 80331510 83843270 100611924 125764905 146126842 160663020 167686540 219190263 251529810 292253684 365317105 438380526 503059620 511443947 730634210 876761052 1022887894 1095951315 1461268420 1534331841 2045775788 2191902630 2557219735 3068663682 4383805260 5114439470 6137327364 7671659205 10228878940 15343318410 30686636820
• Sum of all divisors σ(n): 100345577472
• Sum of proper divisors (its aliquot sum) s(n): 69658940652
• 30686636820 is an abundant number, because the sum of its proper divisors (69658940652) is greater than itself. Its abundance is 38972303832

Bases of 30686636820

• Binary: 11100100101000100001110101100010100₂
• Hexadecimal: 0x72510EB14
• Base-36: E3I14IC

Squares and roots of 30686636820

• 30686636820 squared (30686636820²) is 941669679322579712400
• 30686636820 cubed (30686636820³) is 28896675453777867259918850568000
• The square root of 30686636820 is 175176.0166803663
• The cube root of 30686636820 is 3130.7599137525

Scales and comparisons

• 30,686,636,820 seconds is equal to 975 years, 38 weeks, 3 days, 9 hours, 47 minutes.
• To count from 1 to 30,686,636,820 would take you about one thousand, nine 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 30686636820 cubic inches would be around 260.9 feet tall.

Recreational maths with 30686636820

• 30686636820 backwards is 02863668603
• The number of decimal digits it has is: 11
• The sum of 30686636820's digits is 48
• More coming soon!