909990129321

Names of 909990129321

• Cardinal: 909990129321 can be written as Nine hundred nine billion, nine hundred ninety million, one hundred twenty-nine thousand, three hundred twenty-one.

Scientific notation

• Scientific notation: 9.09990129321 × 10¹¹

Factors of 909990129321

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 19597

Divisors of 909990129321

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 7 9 13 21 27 39 43 49 63 81 91 117 129 147 189 243 273 301 343 351 387 441 559 567 637 819 903 1029 1053 1161 1323 1677 1701 1911 2107 2457 2709 3087 3159 3483 3913 3969 4459 5031 5733 6321 7371 8127 9261 10449 11739 11907 13377 14749 15093 17199 18963 19531 22113 24381 27391 27783 35217 40131 44247 45279 51597 56889 58593 73143 82173 83349 105651 120393 132741 135837 136717 154791 170667 175779 191737 246519 253903 316953 361179 398223 410151 512001 527337 575211 739557 761709 839833 950859 957019 1083537 1194669 1230453 1582011 1725633 1777321 2218671 2285127 2519499 2871057 3584007 3691359 4746033 5176899 5331963 5878831 6656013 6699133 6855381 7558497 8613171 10917829 11074077 12441247 15530697 15995889 17636493 20097399 20566143 22675491 25839513 32753487 33222231 37323741 41151817 46592091 47987667 52909479 60292197 61698429 68026473 76424803 77518539 87088729 98260461 111971223 123455451 143963001 158728437 180876591 204079419 229274409 232555617 261266187 288062719 294781383 335913669 370366353 431889003 476185311 534973621 542629773 687823227 783798561 864188157 884344149 1007741007 1111099059 1428555933 1604920863 1627889319 2063469681 2351395683 2592564471 2653032447 3023223021 3333297177 3744815347 4814762589 6190409043 7054187049 7777693413 9999891531 11234446041 14444287767 18571227129 21162561147 23333080239 33703338123 43332863301 69999240717 101110014369 129998589903 303330043107 909990129321
• Sum of all divisors σ(n): 1751817267200
• Sum of proper divisors (its aliquot sum) s(n): 841827137879
• 909990129321 is a deficient number, because the sum of its proper divisors (841827137879) is less than itself. Its deficiency is 68162991442

Bases of 909990129321

• Binary: 1101001111011111101000110110111010101001₂
• Hexadecimal: 0xD3DFA36EA9
• Base-36: BM1KMLK9

Squares and roots of 909990129321

• 909990129321 squared (909990129321²) is 828082035461650303921041
• 909990129321 cubed (909990129321³) is 753546478538144068001187052962943161
• The square root of 909990129321 is 953934.0277613541
• The cube root of 909990129321 is 9690.4860459357

Scales and comparisons

• 909,990,129,321 seconds is equal to 28,934 years, 45 weeks, 2 days, 3 hours, 55 minutes, 21 seconds.
• To count from 1 to 909,990,129,321 would take you about fifty-seven thousand, eight hundred sixty-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 909990129321 cubic inches would be around 807.5 feet tall.

Recreational maths with 909990129321

• 909990129321 backwards is 123921099909
• The number of decimal digits it has is: 12
• The sum of 909990129321's digits is 54
• More coming soon!