21001957595199

Names of 21001957595199

• Cardinal: 21001957595199 can be written as Twenty-one trillion, one billion, nine hundred fifty-seven million, five hundred ninety-five thousand, one hundred ninety-nine.

Scientific notation

• Scientific notation: 2.1001957595199 × 10¹³

Factors of 21001957595199

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1551798

Divisors of 21001957595199

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 9 19 21 43 57 63 129 133 171 263 301 387 399 789 817 903 1197 1841 2367 2451 2709 4997 5523 5719 7353 11309 14991 16569 17157 33927 34979 44973 51471 79163 101781 104937 214871 237489 314811 644613 712467 1504097 1551463 1933839 4512291 4654389 10860241 13536873 13963167 29477797 32580723 66712909 88433391 97742169 200138727 206344579 265300173 408034769 466990363 600416181 619033737 1224104307 1267545271 1400971089 1857101211 2856243383 3672312921 3802635813 4202913267 7752660611 8568730149 8872816897 11407907439 17545495067 23257981833 25706190447 26618450691 52636485201 54268624277 69773945499 79855352073 122818465469 157909455603 162805872831 333364406273 368455396407 488417618493 1000093218819 1105366189221 2333550843911 3000279656457 7000652531733 21001957595199
• Sum of all divisors σ(n): 37485356113920
• Sum of proper divisors (its aliquot sum) s(n): 16483398518721
• 21001957595199 is a deficient number, because the sum of its proper divisors (16483398518721) is less than itself. Its deficiency is 4518559076478

Bases of 21001957595199

• Binary: 100110001100111100110001110001101100000111111₂
• Hexadecimal: 0x1319E638D83F
• Base-36: 7G05ZAPTR

Squares and roots of 21001957595199

• 21001957595199 squared (21001957595199²) is 441082222830536963147849601
• 21001957595199 cubed (21001957595199³) is 9263590139883053533454491891306091665599
• The square root of 21001957595199 is 4582789.2811255243
• The cube root of 21001957595199 is 27590.0990160191

Scales and comparisons

• 21,001,957,595,199 seconds is equal to 667,797 years, 14 weeks, 6 days, 21 hours, 46 minutes, 39 seconds.
• To count from 1 to 21,001,957,595,199 would take you about one million, six hundred sixty-nine thousand, four hundred ninety-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 21001957595199 cubic inches would be around 2299.2 feet tall.

Recreational maths with 21001957595199

• 21001957595199 backwards is 99159575910012
• 21001957595199 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21001957595199's digits is 63
• More coming soon!