64428250320

Names of 64428250320

• Cardinal: 64428250320 can be written as Sixty-four billion, four hundred twenty-eight million, two hundred fifty thousand, three hundred twenty.

Scientific notation

• Scientific notation: 6.442825032 × 10¹⁰

Factors of 64428250320

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 12783400

Divisors of 64428250320

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 35 36 40 42 45 48 56 60 63 70 72 80 84 90 105 112 120 126 140 144 168 180 210 240 252 280 315 336 360 420 504 560 630 720 840 1008 1260 1680 2520 5040 12783383 25566766 38350149 51133532 63916915 76700298 89483681 102267064 115050447 127833830 153400596 178967362 191750745 204534128 230100894 255667660 268451043 306801192 357934724 383501490 447418405 460201788 511335320 536902086 575252235 613602384 715869448 767002980 805353129 894836810 920403576 1022670640 1073804172 1150504470 1342255215 1431738896 1534005960 1610706258 1789673620 1840807152 2147608344 2301008940 2684510430 3068011920 3221412516 3579347240 4026765645 4295216688 4602017880 5369020860 6442825032 7158694480 8053531290 9204035760 10738041720 12885650064 16107062580 21476083440 32214125160 64428250320
• Sum of all divisors σ(n): 247281780096
• Sum of proper divisors (its aliquot sum) s(n): 182853529776
• 64428250320 is an abundant number, because the sum of its proper divisors (182853529776) is greater than itself. Its abundance is 118425279456

Bases of 64428250320

• Binary: 111100000000001110010001010011010000₂
• Hexadecimal: 0xF003914D0
• Base-36: TLIX040

Squares and roots of 64428250320

• 64428250320 squared (64428250320²) is 4150999439296580102400
• 64428250320 cubed (64428250320³) is 267441630953179707557358432768000
• The square root of 64428250320 is 253827.2056340691
• The cube root of 64428250320 is 4008.9020553223

Scales and comparisons

• 64,428,250,320 seconds is equal to 2,048 years, 32 weeks, 1 day, 8 hours, 12 minutes.
• To count from 1 to 64,428,250,320 would take you about four thousand and ninety-seven 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 64428250320 cubic inches would be around 334.1 feet tall.

Recreational maths with 64428250320

• 64428250320 backwards is 02305282446
• 64428250320 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 64428250320's digits is 36
• More coming soon!