21045867357384

Names of 21045867357384

• Cardinal: 21045867357384 can be written as Twenty-one trillion, forty-five billion, eight hundred sixty-seven million, three hundred fifty-seven thousand, three hundred eighty-four.

Scientific notation

• Scientific notation: 2.1045867357384 × 10¹³

Factors of 21045867357384

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 3793

Divisors of 21045867357384

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 19 24 27 36 38 54 57 72 76 108 114 152 171 216 228 342 361 456 513 684 722 1026 1083 1368 1444 2052 2166 2888 3249 3769 4104 4332 6498 6859 7538 8664 9747 11307 12996 13718 15076 19494 20577 22614 25992 27436 30152 33921 38988 41154 45228 54872 61731 67842 71611 77976 82308 90456 101763 123462 135684 143222 164616 185193 203526 214833 246924 271368 286444 370386 407052 429666 493848 572888 644499 740772 814104 859332 1288998 1360609 1481544 1718664 1933497 2577996 2721218 3866994 4081827 5155992 5442436 7733988 8163654 10884872 12245481 14205361 15467976 16327308 24490962 25851571 28410722 32654616 36736443 42616083 48981924 51703142 56821444 73472886 77554713 85232166 97963848 103406284 113642888 127848249 146945772 155109426 170464332 206812568 232664139 255696498 269901859 293891544 310218852 340928664 383544747 465328278 511392996 539803718 620437704 697992417 767089494 809705577 930656556 1022785992 1079607436 1395984834 1534178988 1619411154 1861313112 2159214872 2429116731 2791969668 3068357976 3238822308 4858233462 5128135321 5583939336 6477644616 7287350193 9716466924 10256270642 14574700386 15384405963 19432933848 20512541284 29149400772 30768811926 41025082568 46153217889 58298801544 61537623852 92306435778 97434571099 123075247704 138459653667 184612871556 194869142198 276919307334 292303713297 369225743112 389738284396 553838614668 584607426594 779476568792 876911139891 1107677229336 1169214853188 1753822279782 2338429706376 2630733419673 3507644559564 5261466839346 7015289119128 10522933678692 21045867357384
• Sum of all divisors σ(n): 61724465064000
• Sum of proper divisors (its aliquot sum) s(n): 40678597706616
• 21045867357384 is an abundant number, because the sum of its proper divisors (40678597706616) is greater than itself. Its abundance is 19632730349232

Bases of 21045867357384

• Binary: 100110010010000011111011100101010010011001000₂
• Hexadecimal: 0x13241F72A4C8
• Base-36: 7GKC61B60

Squares and roots of 21045867357384

• 21045867357384 squared (21045867357384²) is 442928532824601391579323456
• 21045867357384 cubed (21045867357384³) is 9321815150627265990180705133141285999104
• The square root of 21045867357384 is 4587577.5042372853
• The cube root of 21045867357384 is 27609.3135958177

Scales and comparisons

• 21,045,867,357,384 seconds is equal to 669,193 years, 25 weeks, 17 hours, 56 minutes, 24 seconds.
• To count from 1 to 21,045,867,357,384 would take you about one million, six hundred seventy-two thousand, nine hundred eighty-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 21045867357384 cubic inches would be around 2300.8 feet tall.

Recreational maths with 21045867357384

• 21045867357384 backwards is 48375376854012
• The number of decimal digits it has is: 14
• The sum of 21045867357384's digits is 63
• More coming soon!