38928989400642

Names of 38928989400642

• Cardinal: 38928989400642 can be written as Thirty-eight trillion, nine hundred twenty-eight billion, nine hundred eighty-nine million, four hundred thousand, six hundred forty-two.

Scientific notation

• Scientific notation: 3.8928989400642 × 10¹³

Factors of 38928989400642

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 491503

Divisors of 38928989400642

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 6 9 11 18 22 27 33 37 54 66 74 99 111 198 222 297 333 407 594 666 814 999 1221 1998 2442 3631 3663 7262 7326 10893 10989 21786 21978 32679 39941 65358 79882 98037 119823 134347 196074 239646 268694 359469 403041 487819 718938 806082 975638 1078407 1209123 1463457 1477817 2156814 2418246 2926914 2955634 3627369 4390371 4433451 5366009 7254738 8780742 8866902 10732018 13171113 13300353 16098027 18049303 26342226 26600706 32196054 36098606 39901059 48294081 54147909 79802118 96588162 108295818 144882243 162443727 198542333 289764486 324887454 397084666 487331181 595626999 974662362 1191253998 1771270789 1786880997 3542541578 3573761994 5313812367 5360642991 10627624734 10721285982 15941437101 19483978679 31882874202 38967957358 47824311303 58451936037 65537019193 95648622606 116903872074 131074038386 175355808111 196611057579 350711616222 393222115158 526067424333 589833172737 720907211123 1052134848666 1179666345474 1441814422246 1769499518211 2162721633369 3538999036422 4325443266738 6488164900107 12976329800214 19464494700321 38928989400642
• Sum of all divisors σ(n): 96950829772800
• Sum of proper divisors (its aliquot sum) s(n): 58021840372158
• 38928989400642 is an abundant number, because the sum of its proper divisors (58021840372158) is greater than itself. Its abundance is 19092850971516

Bases of 38928989400642

• Binary: 1000110110011111011100100101011010111001000010₂
• Hexadecimal: 0x2367DC95AE42
• Base-36: DSRQB67GI

Squares and roots of 38928989400642

• 38928989400642 squared (38928989400642²) is 1515466215755297182390012164
• 38928989400642 cubed (38928989400642³) is 58995568250169006317625550989321449409288
• The square root of 38928989400642 is 6239310.0099804305
• The cube root of 38928989400642 is 33891.5197070041

Scales and comparisons

• 38,928,989,400,642 seconds is equal to 1,237,821 years, 23 weeks, 1 day, 22 hours, 50 minutes, 42 seconds.
• To count from 1 to 38,928,989,400,642 would take you about three million, ninety-four thousand, five hundred fifty-three 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 38928989400642 cubic inches would be around 2824.3 feet tall.

Recreational maths with 38928989400642

• 38928989400642 backwards is 24600498982983
• The number of decimal digits it has is: 14
• The sum of 38928989400642's digits is 72
• More coming soon!