990986433129

Names of 990986433129

• Cardinal: 990986433129 can be written as Nine hundred ninety billion, nine hundred eighty-six million, four hundred thirty-three thousand, one hundred twenty-nine.

Scientific notation

• Scientific notation: 9.90986433129 × 10¹¹

Factors of 990986433129

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1133

Divisors of 990986433129

• Number of divisors d(n): 180
• Complete list of divisors:
  1 3 7 9 11 19 21 27 33 49 57 63 77 81 99 133 147 171 189 209 231 297 399 441 513 539 567 627 693 891 931 1093 1197 1323 1463 1539 1617 1881 2079 2793 3279 3591 3969 4389 4851 5643 6237 7651 8379 9837 10241 10773 12023 13167 14553 16929 20767 22953 25137 29511 30723 36069 39501 43659 53557 62301 68859 75411 84161 88533 92169 108207 118503 145369 160671 186903 206577 228437 252483 276507 324621 436107 482013 560709 589127 619731 685311 757449 829521 973863 1017583 1194649 1308321 1446039 1599059 1682127 1767381 2055933 2272347 3052749 3583947 3924963 4338117 4797177 5302143 6167799 6817041 8362543 9158247 10751841 11193413 11774889 13141139 14391531 15906429 18503397 22698331 25087629 27474741 32255523 33580239 39423417 43174593 47719287 58537801 68094993 75262887 82424223 91987973 96766569 100740717 118270251 129523779 158888317 175613403 204284979 225788661 249681641 275963919 302222151 354810753 476664951 526840209 612854937 643915811 677365983 749044923 827891757 906666453 1064432259 1112218219 1429994853 1580520627 1747771487 1838564811 1931747433 2247134769 2483675271 3336654657 4289984559 4741561881 5243314461 5795242299 6741404307 7451025813 10009963971 12234400409 12869953677 15729943383 17385726897 20224212921 30029891913 36703201227 47189830149 52157180691 90089675739 110109603681 141569490447 330328811043 990986433129
• Sum of all divisors σ(n): 1979289473040
• Sum of proper divisors (its aliquot sum) s(n): 988303039911
• 990986433129 is a deficient number, because the sum of its proper divisors (988303039911) is less than itself. Its deficiency is 2683393218

Bases of 990986433129

• Binary: 1110011010111011011001001111001001101001₂
• Hexadecimal: 0xE6BB64F269
• Base-36: CN93QHK9

Squares and roots of 990986433129

• 990986433129 squared (990986433129²) is 982054110645737988730641
• 990986433129 cubed (990986433129³) is 973202300248492196378072322939805689
• The square root of 990986433129 is 995483.0149876993
• The cube root of 990986433129 is 9969.8640507823

Scales and comparisons

• 990,986,433,129 seconds is equal to 31,510 years, 15 weeks, 5 days, 9 hours, 12 minutes, 9 seconds.
• To count from 1 to 990,986,433,129 would take you about sixty-three thousand and twenty 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 990986433129 cubic inches would be around 830.8 feet tall.

Recreational maths with 990986433129

• 990986433129 backwards is 921334689099
• 990986433129 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 990986433129's digits is 63
• More coming soon!