20429612385

Names of 20429612385

• Cardinal: 20429612385 can be written as Twenty billion, four hundred twenty-nine million, six hundred twelve thousand, three hundred eighty-five.

Scientific notation

• Scientific notation: 2.0429612385 × 10¹⁰

Factors of 20429612385

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 945

Divisors of 20429612385

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 5 7 13 15 17 21 35 39 49 51 65 85 91 105 119 147 173 195 221 245 255 273 357 455 519 595 637 663 727 735 833 865 1105 1211 1365 1547 1785 1911 2181 2249 2499 2595 2941 3185 3315 3633 3635 4165 4641 5089 6055 6747 7735 8477 8823 9451 9555 10829 10905 11245 12359 12495 14705 15267 15743 18165 20587 23205 25431 25445 28353 32487 33735 35623 37077 38233 42385 44115 47229 47255 54145 61761 61795 66157 76335 78715 86513 102935 106869 110201 114699 125771 127155 141765 144109 160667 162435 178115 185385 191165 198471 236145 259539 267631 308805 330603 330785 377313 432327 432565 463099 482001 534345 551005 573495 605591 628855 720545 802893 803335 880397 992355 1124669 1297695 1338155 1389297 1635023 1653015 1816773 1873417 1886565 2138107 2161635 2315495 2410005 2641191 3027955 3374007 4014465 4401985 4905069 5620251 5623345 6162779 6414321 6946485 7872683 8175115 9083865 9367085 10690535 11445161 13205955 14966749 16870035 18488337 23618049 24525345 27795391 28101255 30813895 32071605 34335483 39363415 44900247 57225805 74833745 80116127 83386173 92441685 104767243 118090245 138976955 171677415 194567737 224501235 240348381 314301729 400580635 416930865 523836215 583703211 972838685 1201741905 1361974159 1571508645 2918516055 4085922477 6809870795 20429612385
• Sum of all divisors σ(n): 43668398592
• Sum of proper divisors (its aliquot sum) s(n): 23238786207
• 20429612385 is an abundant number, because the sum of its proper divisors (23238786207) is greater than itself. Its abundance is 2809173822

Bases of 20429612385

• Binary: 10011000001101100110010010101100001₂
• Hexadecimal: 0x4C1B32561
• Base-36: 9DV9HSX

Squares and roots of 20429612385

• 20429612385 squared (20429612385²) is 417369062201345388225
• 20429612385 cubed (20429612385³) is 8526688162264441106944093166625
• The square root of 20429612385 is 142932.1950611547
• The cube root of 20429612385 is 2733.7158800869

Scales and comparisons

• 20,429,612,385 seconds is equal to 649 years, 31 weeks, 20 hours, 19 minutes, 45 seconds.
• To count from 1 to 20,429,612,385 would take you about one thousand, two hundred ninety-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 20429612385 cubic inches would be around 227.8 feet tall.

Recreational maths with 20429612385

• 20429612385 backwards is 58321692402
• The number of decimal digits it has is: 11
• The sum of 20429612385's digits is 42
• More coming soon!