21423948560

Names of 21423948560

• Cardinal: 21423948560 can be written as Twenty-one billion, four hundred twenty-three million, nine hundred forty-eight thousand, five hundred sixty.

Scientific notation

• Scientific notation: 2.142394856 × 10¹⁰

Factors of 21423948560

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1265

Divisors of 21423948560

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 19 20 28 35 38 40 49 56 70 76 80 95 98 112 133 140 152 190 196 245 266 280 304 313 380 392 490 532 560 626 665 760 784 919 931 980 1064 1252 1330 1520 1565 1838 1862 1960 2128 2191 2504 2660 3130 3676 3724 3920 4382 4595 4655 5008 5320 5947 6260 6433 7352 7448 8764 9190 9310 10640 10955 11894 12520 12866 14704 14896 15337 17461 17528 18380 18620 21910 23788 25040 25732 29735 30674 32165 34922 35056 36760 37240 41629 43820 45031 47576 51464 59470 61348 64330 69844 73520 74480 76685 83258 87305 87640 90062 95152 102928 118940 122227 122696 128660 139688 153370 166516 174610 175280 180124 208145 225155 237880 244454 245392 257320 279376 287647 291403 306740 333032 349220 360248 416290 450310 475760 488908 514640 575294 582806 611135 613480 666064 698440 720496 832580 855589 900620 977816 1150588 1165612 1222270 1226960 1396880 1438235 1457015 1665160 1711178 1801240 1955632 2013529 2301176 2331224 2444540 2876470 2914030 3330320 3422356 3602480 4027058 4277945 4602352 4662448 4889080 5465293 5752940 5828060 6844712 8054116 8555890 9778160 10067645 10930586 11505880 11656120 13689424 14094703 16108232 17111780 20135290 21861172 23011760 23312240 27326465 28189406 32216464 34223560 38257051 40270580 43722344 54652930 56378812 68447120 70473515 76514102 80541160 87444688 109305860 112757624 140947030 153028204 161082320 191285255 218611720 225515248 267799357 281894060 306056408 382570510 437223440 535598714 563788120 612112816 765141020 1071197428 1127576240 1338996785 1530282040 2142394856 2677993570 3060564080 4284789712 5355987140 10711974280 21423948560
• Sum of all divisors σ(n): 61254115200
• Sum of proper divisors (its aliquot sum) s(n): 39830166640
• 21423948560 is an abundant number, because the sum of its proper divisors (39830166640) is greater than itself. Its abundance is 18406218080

Bases of 21423948560

• Binary: 10011111100111101111000001100010000₂
• Hexadecimal: 0x4FCF78310
• Base-36: 9UB9KI8

Squares and roots of 21423948560

• 21423948560 squared (21423948560²) is 458985571901526073600
• 21423948560 cubed (21423948560³) is 9833283282200475986305174016000
• The square root of 21423948560 is 146369.2199883569
• The cube root of 21423948560 is 2777.3663687141

Scales and comparisons

• 21,423,948,560 seconds is equal to 681 years, 11 weeks, 1 day, 8 hours, 49 minutes, 20 seconds.
• To count from 1 to 21,423,948,560 would take you about one thousand, three hundred sixty-two 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 21423948560 cubic inches would be around 231.4 feet tall.

Recreational maths with 21423948560

• 21423948560 backwards is 06584932412
• The number of decimal digits it has is: 11
• The sum of 21423948560's digits is 44
• More coming soon!