21042651634725

Names of 21042651634725

• Cardinal: 21042651634725 can be written as Twenty-one trillion, forty-two billion, six hundred fifty-one million, six hundred thirty-four thousand, seven hundred twenty-five.

Scientific notation

• Scientific notation: 2.1042651634725 × 10¹³

Factors of 21042651634725

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 332

Divisors of 21042651634725

• Number of divisors d(n): 324
• Complete list of divisors:
  1 3 5 7 15 19 21 25 35 41 57 75 95 105 123 133 175 205 257 285 287 361 399 475 525 615 665 771 779 861 1025 1083 1285 1425 1435 1681 1799 1805 1995 2337 2527 3075 3325 3855 3895 4305 4883 5043 5397 5415 5453 6425 7175 7581 8405 8995 9025 9975 10537 11685 11767 12635 14649 14801 16359 19275 19475 21525 24415 25215 26985 27075 27265 31611 31939 34181 35301 37905 42025 44403 44975 52685 58425 58835 63175 66049 73245 73759 74005 81795 92777 95817 102543 103607 122075 126075 134925 136325 158055 159695 170905 176505 189525 198147 200203 221277 222015 223573 263425 278331 294175 310821 330245 366225 368795 370025 408975 432017 462343 463885 479085 512715 518035 600609 606841 649439 670719 790275 798475 854525 882525 990735 1001015 1106385 1110075 1117865 1254931 1296051 1387029 1391655 1401421 1554105 1651225 1820523 1843975 1948317 2160085 2311715 2319425 2395425 2563575 2590175 2708009 3003045 3024119 3034205 3247195 3353595 3764793 3803857 4204263 4247887 4953675 5005075 5531925 5589325 6274655 6480255 6935145 6958275 7007105 7770525 8124027 8208323 8784517 9072357 9102615 9741585 10800425 11411571 11558575 12743661 13540045 15015225 15120595 15171025 16235975 16767975 18823965 18956063 19019285 21021315 21239435 23843689 24624969 26353551 26626999 31373275 32401275 34675725 35035525 40620135 41041615 43922585 45361785 45513075 48707925 51452171 56868189 57057855 57458261 63718305 67700225 71531067 75602975 79880997 94119825 94780315 95096425 105106575 106197175 111028369 119218445 123124845 131767755 133134995 154356513 155958137 166905823 172374783 203100675 205208075 219612925 226808925 257260855 284340945 285289275 287291305 318591525 333085107 357655335 360165197 399404985 467874411 473901575 500717469 555141845 596092225 615624225 658838775 665674975 771782565 777198583 779790685 834529115 861873915 977591249 1080495591 1091706959 1286304275 1421704725 1436456525 1665425535 1788276675 1800825985 1997024925 2109539011 2331595749 2339372055 2503587345 2775709225 2932773747 3275120877 3858912825 3885992915 3898953425 4172645575 4309369575 4887956245 5402477955 5458534795 6328617033 6843138743 8327127675 9004129925 10547695055 11657978745 11696860275 12517936725 14663868735 14766773077 16375604385 19429964575 20529416229 24439781225 27012389775 27292673975 31643085165 34215693715 40081241209 44300319231 52738475275 58289893725 73319343675 73833865385 81878021925 102647081145 120243723627 158215425825 171078468575 200406206045 221501596155 280568688463 369169326925 513235405725 601218618135 841706065389 1002031030225 1107507980775 1402843442315 3006093090675 4208530326945 7014217211575 21042651634725
• Sum of all divisors σ(n): 43179867403872
• Sum of proper divisors (its aliquot sum) s(n): 22137215769147
• 21042651634725 is an abundant number, because the sum of its proper divisors (22137215769147) is greater than itself. Its abundance is 1094564134422

Bases of 21042651634725

• Binary: 100110010001101011111110001101001110000100101₂
• Hexadecimal: 0x13235FC69C25
• Base-36: 7GIUZH7OL

Squares and roots of 21042651634725

• 21042651634725 squared (21042651634725²) is 442793187820394714825825625
• 21042651634725 cubed (21042651634725³) is 9317542797533922805624409781554044828125
• The square root of 21042651634725 is 4587227.0092862201
• The cube root of 21042651634725 is 27607.9073273701

Scales and comparisons

• 21,042,651,634,725 seconds is equal to 669,091 years, 12 weeks, 17 hours, 38 minutes, 45 seconds.
• To count from 1 to 21,042,651,634,725 would take you about one million, six hundred seventy-two thousand, seven hundred twenty-eight 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 21042651634725 cubic inches would be around 2300.7 feet tall.

Recreational maths with 21042651634725

• 21042651634725 backwards is 52743615624012
• The number of decimal digits it has is: 14
• The sum of 21042651634725's digits is 48
• More coming soon!