29890361385

Names of 29890361385

• Cardinal: 29890361385 can be written as Twenty-nine billion, eight hundred ninety million, three hundred sixty-one thousand, three hundred eighty-five.

Scientific notation

• Scientific notation: 2.9890361385 × 10¹⁰

Factors of 29890361385

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 287

Divisors of 29890361385

• Number of divisors d(n): 108
• Complete list of divisors:
  1 3 5 9 15 19 37 45 57 95 111 171 185 223 285 333 361 555 669 703 855 1083 1115 1665 1805 2007 2109 3249 3345 3515 4237 5415 6327 8251 10035 10545 12711 13357 16245 21185 24753 31635 38133 40071 41255 49729 63555 66785 74259 80503 120213 123765 149187 156769 190665 200355 241509 248645 371295 402515 447561 470307 601065 724527 745935 783845 944851 1207545 1410921 1839973 2237805 2351535 2834553 2978611 3622635 4724255 5519919 7054605 8503659 8935833 9199865 14172765 14893055 16559757 17952169 26807499 27599595 34959487 42518295 44679165 53856507 82798785 89760845 104878461 134037495 161569521 174797435 269282535 314635383 524392305 664230253 807847605 1573176915 1992690759 3321151265 5978072277 9963453795 29890361385
• Sum of all divisors σ(n): 56411123652
• Sum of proper divisors (its aliquot sum) s(n): 26520762267
• 29890361385 is a deficient number, because the sum of its proper divisors (26520762267) is less than itself. Its deficiency is 3369599118

Bases of 29890361385

• Binary: 11011110101100110101011100000101001₂
• Hexadecimal: 0x6F59AB829
• Base-36: DQBY6G9

Squares and roots of 29890361385

• 29890361385 squared (29890361385²) is 893433703725899118225
• 29890361385 cubed (29890361385³) is 26705056277906145627798089741625
• The square root of 29890361385 is 172888.2916365363
• The cube root of 29890361385 is 3103.4426334775

Scales and comparisons

• 29,890,361,385 seconds is equal to 950 years, 21 weeks, 6 days, 6 hours, 9 minutes, 45 seconds.
• To count from 1 to 29,890,361,385 would take you about one thousand, nine hundred 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 29890361385 cubic inches would be around 258.6 feet tall.

Recreational maths with 29890361385

• 29890361385 backwards is 58316309892
• The number of decimal digits it has is: 11
• The sum of 29890361385's digits is 54
• More coming soon!