640000001572864

Names of 640000001572864

• Cardinal: 640000001572864 can be written as Six hundred forty trillion, one million, five hundred seventy-two thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 6.40000001572864 × 10¹⁴

Factors of 640000001572864

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 24
• Sum of prime factors: 47110

Divisors of 640000001572864

• Number of divisors d(n): 92
• Complete list of divisors:
  1 2 4 8 16 32 64 128 256 512 1024 2048 3499 4096 6998 8192 13996 16384 27992 32768 43609 55984 65536 87218 111968 131072 174436 223936 262144 348872 447872 524288 697744 895744 1048576 1395488 1791488 2097152 2790976 3582976 4194304 5581952 7165952 11163904 14331904 22327808 28663808 44655616 57327616 89311232 114655232 152587891 178622464 229310464 305175782 357244928 458620928 610351564 714489856 917241856 1220703128 1428979712 1834483712 2441406256 2857959424 3668967424 4882812512 5715918848 7337934848 9765625024 11431837696 14675869696 19531250048 22863675392 39062500096 45727350784 78125000192 91454701568 156250000384 182909403136 312500000768 625000001536 1250000003072 2500000006144 5000000012288 10000000024576 20000000049152 40000000098304 80000000196608 160000000393216 320000000786432 640000001572864
• Sum of all divisors σ(n): 1280395029445000
• Sum of proper divisors (its aliquot sum) s(n): 640395027872136
• 640000001572864 is an abundant number, because the sum of its proper divisors (640395027872136) is greater than itself. Its abundance is 395026299272

Bases of 640000001572864

• Binary: 10010001100001001110011100110000000000000000000000₂
• Hexadecimal: 0x246139CC00000
• Base-36: 6AUZXWMJGG

Squares and roots of 640000001572864

• 640000001572864 squared (640000001572864²) is 409600002013265922473901162496
• 640000001572864 cubed (640000001572864³) is 262144001932735287949890235883430078048108544
• The square root of 640000001572864 is 25298221.3124334889
• The cube root of 640000001572864 is 86177.3876718719

Scales and comparisons

• 640,000,001,572,864 seconds is equal to 20,350,020 years, 20 weeks, 5 days, 14 hours, 41 minutes, 4 seconds.
• To count from 1 to 640,000,001,572,864 would take you about fifty million, eight hundred seventy-five thousand and fifty-one 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 640000001572864 cubic inches would be around 7181.4 feet tall.

Recreational maths with 640000001572864

• 640000001572864 backwards is 468275100000046
• The number of decimal digits it has is: 15
• The sum of 640000001572864's digits is 43
• More coming soon!