21264739470

Names of 21264739470

• Cardinal: 21264739470 can be written as Twenty-one billion, two hundred sixty-four million, seven hundred thirty-nine thousand, four hundred seventy.

Scientific notation

• Scientific notation: 2.126473947 × 10¹⁰

Factors of 21264739470

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2344

Divisors of 21264739470

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 5 6 9 10 13 15 18 23 26 30 39 45 46 65 69 78 90 115 117 130 138 195 207 230 234 299 345 390 414 421 585 598 690 842 897 1035 1170 1263 1495 1794 1877 2070 2105 2526 2691 2990 3754 3789 4210 4485 5382 5473 5631 6315 7578 8970 9385 9683 10946 11262 12630 13455 16419 16893 18770 18945 19366 24401 26910 27365 28155 29049 32838 33786 37890 43171 48415 48802 49257 54730 56310 58098 73203 82095 84465 86342 87147 96830 98514 122005 125879 129513 145245 146406 164190 168930 174294 215855 219609 244010 246285 251758 259026 290490 366015 377637 388539 431710 435735 439218 492570 561223 629395 647565 732030 755274 777078 790217 871470 1098045 1122446 1132911 1258790 1295130 1580434 1683669 1888185 1942695 2196090 2265822 2370651 2806115 3367338 3776370 3885390 3951085 4741302 5051007 5612230 5664555 7111953 7902170 8418345 10102014 10272821 11329110 11853255 14223906 16836690 18174991 20545642 23706510 25255035 30818463 35559765 36349982 50510070 51364105 54524973 61636926 71119530 90874955 92455389 102728210 109049946 154092315 163574919 181749910 184910778 236274883 272624865 308184630 327149838 462276945 472549766 545249730 708824649 817874595 924553890 1181374415 1417649298 1635749190 2126473947 2362748830 3544123245 4252947894 7088246490 10632369735 21264739470
• Sum of all divisors σ(n): 62310777984
• Sum of proper divisors (its aliquot sum) s(n): 41046038514
• 21264739470 is an abundant number, because the sum of its proper divisors (41046038514) is greater than itself. Its abundance is 19781299044

Bases of 21264739470

• Binary: 10011110011011110100010110010001110₂
• Hexadecimal: 0x4F37A2C8E
• Base-36: 9ROH5ZI

Squares and roots of 21264739470

• 21264739470 squared (21264739470²) is 452189144726975880900
• 21264739470 cubed (21264739470³) is 9615684353781266388312249123000
• The square root of 21264739470 is 145824.3445725027
• The cube root of 21264739470 is 2770.4693852833

Scales and comparisons

• 21,264,739,470 seconds is equal to 676 years, 7 weeks, 6 days, 16 hours, 4 minutes, 30 seconds.
• To count from 1 to 21,264,739,470 would take you about one thousand, three hundred fifty-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 21264739470 cubic inches would be around 230.9 feet tall.

Recreational maths with 21264739470

• 21264739470 backwards is 07493746212
• 21264739470 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21264739470's digits is 45
• More coming soon!