990638043210

Names of 990638043210

• Cardinal: 990638043210 can be written as Nine hundred ninety billion, six hundred thirty-eight million, forty-three thousand, two hundred ten.

Scientific notation

• Scientific notation: 9.9063804321 × 10¹¹

Factors of 990638043210

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 21858

Divisors of 990638043210

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 23 30 31 45 46 62 69 90 93 115 138 155 186 207 230 279 310 345 414 465 558 690 713 733 930 1035 1395 1426 1466 2070 2139 2199 2790 3565 3665 4278 4398 6417 6597 7130 7330 10695 10995 12834 13194 16859 21061 21390 21990 22723 32085 32985 33718 42122 45446 50577 63183 64170 65970 68169 84295 101154 105305 113615 126366 136338 151731 168590 189549 204507 210610 227230 252885 303462 315915 340845 379098 409014 484403 505770 522629 631830 652891 681690 758655 947745 968806 1022535 1045258 1305782 1453209 1517310 1567887 1895490 1958673 2045070 2422015 2613145 2906418 3135774 3264455 3917346 4359627 4703661 4844030 5226290 5876019 6528910 7266045 7839435 8719254 9407322 9793365 11752038 14532090 15016493 15437713 15678870 19586730 21798135 23518305 29380095 30032986 30875426 43596270 45049479 46313139 47036610 58760190 75082465 77188565 90098958 92626278 135148437 138939417 150164930 154377130 225247395 231565695 270296874 277878834 355067399 450494790 463131390 478569103 675742185 694697085 710134798 957138206 1065202197 1351484370 1389394170 1435707309 1775336995 2130404394 2392845515 2871414618 3195606591 3550673990 4307121927 4785691030 5326010985 6391213182 7178536545 8614243854 10652021970 11007089369 14357073090 15978032955 21535609635 22014178738 31956065910 33021268107 43071219270 55035446845 66042536214 99063804321 110070893690 165106340535 198127608642 330212681070 495319021605 990638043210
• Sum of all divisors σ(n): 2778259101696
• Sum of proper divisors (its aliquot sum) s(n): 1787621058486
• 990638043210 is an abundant number, because the sum of its proper divisors (1787621058486) is greater than itself. Its abundance is 796983015276

Bases of 990638043210

• Binary: 1110011010100110101000001111000001001010₂
• Hexadecimal: 0xE6A6A0F04A
• Base-36: CN3CBA6I

Squares and roots of 990638043210

• 990638043210 squared (990638043210²) is 981363732654937827104100
• 990638043210 cubed (990638043210³) is 972176247794549187186614924968161000
• The square root of 990638043210 is 995308.0142398131
• The cube root of 990638043210 is 9968.6955829717

Scales and comparisons

• 990,638,043,210 seconds is equal to 31,499 years, 11 weeks, 5 days, 2 hours, 13 minutes, 30 seconds.
• To count from 1 to 990,638,043,210 would take you about sixty-two thousand, nine hundred ninety-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 990638043210 cubic inches would be around 830.7 feet tall.

Recreational maths with 990638043210

• 990638043210 backwards is 012340836099
• 990638043210 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 990638043210's digits is 45
• More coming soon!