640229339904

Names of 640229339904

• Cardinal: 640229339904 can be written as Six hundred forty billion, two hundred twenty-nine million, three hundred thirty-nine thousand, nine hundred four.

Scientific notation

• Scientific notation: 6.40229339904 × 10¹¹

Factors of 640229339904

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1546650

Divisors of 640229339904

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 32 33 42 44 48 49 56 64 66 77 84 88 96 98 112 128 132 147 154 168 176 192 196 224 231 256 264 294 308 336 352 384 392 448 462 528 539 588 616 672 704 768 784 896 924 1056 1078 1176 1232 1344 1408 1568 1617 1792 1848 2112 2156 2352 2464 2688 2816 3136 3234 3696 4224 4312 4704 4928 5376 6272 6468 7392 8448 8624 9408 9856 12544 12936 14784 17248 18816 19712 25872 29568 34496 37632 51744 59136 68992 103488 137984 206976 413952 1546627 3093254 4639881 6186508 9279762 10826389 12373016 17012897 18559524 21652778 24746032 32479167 34025794 37119048 43305556 49492064 51038691 64958334 68051588 74238096 75784723 86611112 98984128 102077382 119090279 129916668 136103176 148476192 151569446 173222224 197968256 204154764 227354169 238180558 259833336 272206352 296952384 303138892 346444448 357270837 395936512 408309528 454708338 476361116 519666672 544412704 593904768 606277784 692888896 714541674 816619056 833631953 909416676 952722232 1039333344 1088825408 1187809536 1212555568 1385777792 1429083348 1633238112 1667263906 1818833352 1905444464 2078666688 2177650816 2425111136 2500895859 2771555584 2858166696 3266476224 3334527812 3637666704 3810888928 4157333376 4355301632 4850222272 5001791718 5716333392 6532952448 6669055624 7275333408 7621777856 8314666752 9700444544 10003583436 11432666784 13065904896 13338111248 14550666816 15243555712 19400889088 20007166872 22865333568 26676222496 29101333632 30487111424 40014333744 45730667136 53352444992 58202667264 80028667488 91461334272 106704889984 160057334976 213409779968 320114669952 640229339904
• Sum of all divisors σ(n): 2162334420288
• Sum of proper divisors (its aliquot sum) s(n): 1522105080384
• 640229339904 is an abundant number, because the sum of its proper divisors (1522105080384) is greater than itself. Its abundance is 881875740480

Bases of 640229339904

• Binary: 1001010100010000101001000111001100000000₂
• Hexadecimal: 0x9510A47300
• Base-36: 86480OAO

Squares and roots of 640229339904

• 640229339904 squared (640229339904²) is 409893607673911566729216
• 640229339904 cubed (640229339904³) is 262425913871937551248716407991435264
• The square root of 640229339904 is 800143.3246012867
• The cube root of 640229339904 is 8618.7680077063

Scales and comparisons

• 640,229,339,904 seconds is equal to 20,357 years, 16 weeks, 1 day, 19 hours, 18 minutes, 24 seconds.
• To count from 1 to 640,229,339,904 would take you about forty thousand, seven hundred fourteen 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 640229339904 cubic inches would be around 718.2 feet tall.

Recreational maths with 640229339904

• 640229339904 backwards is 409933922046
• The number of decimal digits it has is: 12
• The sum of 640229339904's digits is 51
• More coming soon!