642042800828

Names of 642042800828

• Cardinal: 642042800828 can be written as Six hundred forty-two billion, forty-two million, eight hundred thousand, eight hundred twenty-eight.

Scientific notation

• Scientific notation: 6.42042800828 × 10¹¹

Factors of 642042800828

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 14321

Divisors of 642042800828

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 11 13 22 26 41 44 47 52 82 94 143 164 188 286 451 517 533 572 611 902 1034 1066 1222 1681 1804 1927 2068 2132 2444 3362 3854 5863 6721 6724 7708 11726 13442 14207 18491 21197 21853 23452 25051 26884 28414 36982 42394 43706 50102 56828 73964 79007 84788 87412 100204 156277 158014 184691 240383 275561 312554 316028 369382 480766 551122 582487 625108 667729 738764 869077 961532 1027091 1102244 1164974 1335458 1738154 2031601 2054182 2329948 2670916 3476308 4063202 4108364 6407357 7345019 7572331 8126404 8680477 11298001 12814714 14690038 15144662 17360954 22596002 23881967 25629428 27376889 29380076 30289324 34721908 45192004 47763934 54753778 83295641 95485247 95527868 109507556 166591282 190970494 262701637 301145779 310465571 333182564 355899557 381940988 525403274 602291558 620931142 711799114 1050806548 1122452449 1204583116 1241862284 1423598228 2244904898 3415121281 3914895127 4489809796 6830242562 7829790254 12346976939 13660485124 14591881837 15659580508 24693953878 29183763674 49387907756 58367527348 160510700207 321021400414 642042800828
• Sum of all divisors σ(n): 1381868716032
• Sum of proper divisors (its aliquot sum) s(n): 739825915204
• 642042800828 is an abundant number, because the sum of its proper divisors (739825915204) is greater than itself. Its abundance is 97783114376

Bases of 642042800828

• Binary: 1001010101111100101110111010101010111100₂
• Hexadecimal: 0x957CBBAABC
• Base-36: 86Y7PFP8

Squares and roots of 642042800828

• 642042800828 squared (642042800828²) is 412218958095062877485584
• 642042800828 cubed (642042800828³) is 264662214409754133339613373553263552
• The square root of 642042800828 is 801275.7333327897
• The cube root of 642042800828 is 8626.8979407229

Scales and comparisons

• 642,042,800,828 seconds is equal to 20,414 years, 50 weeks, 4 days, 22 hours, 27 minutes, 8 seconds.
• To count from 1 to 642,042,800,828 would take you about forty thousand, eight hundred twenty-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 642042800828 cubic inches would be around 718.9 feet tall.

Recreational maths with 642042800828

• 642042800828 backwards is 828008240246
• 642042800828 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 642042800828's digits is 44
• More coming soon!