21455752265829

Names of 21455752265829

• Cardinal: 21455752265829 can be written as Twenty-one trillion, four hundred fifty-five billion, seven hundred fifty-two million, two hundred sixty-five thousand, eight hundred twenty-nine.

Scientific notation

• Scientific notation: 2.1455752265829 × 10¹³

Factors of 21455752265829

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 516

Divisors of 21455752265829

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 7 9 21 27 49 63 127 147 189 343 379 381 441 889 1029 1137 1143 1323 2653 2667 3087 3411 3429 6223 7959 8001 9261 10233 16129 18571 18669 23877 24003 43561 48133 48387 55713 56007 71631 112903 129997 130683 143641 144399 145161 167139 168021 336931 338709 389991 392049 430923 433197 435483 501417 790321 1005487 1010793 1016127 1169973 1176147 1292769 1299591 2358517 2370963 3016461 3032379 3048381 3509919 3878307 5532247 6112891 7038409 7075551 7112889 9049383 9097137 16509619 16596741 18242407 18338673 21115227 21226653 21338667 27148149 42790237 49268863 49528857 49790223 54727221 55016019 63345681 63679959 127696849 128370711 147806589 148586571 149370669 164181663 165048057 190037043 299531659 383090547 385112133 443419767 445759713 492544989 893877943 898594977 1149271641 1155336399 1330259301 2096721613 2316785689 2681633829 2695784931 3447814923 6257145601 6290164839 6950357067 8044901487 8087354793 16217499823 18771436803 18870494517 20851071201 24134704461 48652499469 56314310409 56611483551 62553213603 113522498761 145957498407 168942931227 340567496283 437872495221 794657491327 1021702488849 2383972473981 3065107466547 7151917421943 21455752265829
• Sum of all divisors σ(n): 37461590352000
• Sum of proper divisors (its aliquot sum) s(n): 16005838086171
• 21455752265829 is a deficient number, because the sum of its proper divisors (16005838086171) is less than itself. Its deficiency is 5449914179658

Bases of 21455752265829

• Binary: 100111000001110001110011111100000000001100101₂
• Hexadecimal: 0x13838E7E0065
• Base-36: 7LSMWXEN9

Squares and roots of 21455752265829

• 21455752265829 squared (21455752265829²) is 460349305292626267481057241
• 21455752265829 cubed (21455752265829³) is 9877140650105072100392776918922197317789
• The square root of 21455752265829 is 4632035.4344314983
• The cube root of 21455752265829 is 27787.4001637205

Scales and comparisons

• 21,455,752,265,829 seconds is equal to 682,226 years, 28 weeks, 6 days, 57 minutes, 9 seconds.
• To count from 1 to 21,455,752,265,829 would take you about one million, seven hundred five thousand, five hundred sixty-six 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 21455752265829 cubic inches would be around 2315.6 feet tall.

Recreational maths with 21455752265829

• 21455752265829 backwards is 92856225755412
• 21455752265829 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21455752265829's digits is 63
• More coming soon!