21016033280

Names of 21016033280

• Cardinal: 21016033280 can be written as Twenty-one billion, sixteen million, thirty-three thousand, two hundred eighty.

Scientific notation

• Scientific notation: 2.101603328 × 10¹⁰

Factors of 21016033280

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 4400

Divisors of 21016033280

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 32 40 43 44 55 64 80 86 88 110 128 160 172 176 215 220 256 320 344 352 430 440 473 512 640 688 704 860 880 946 1024 1280 1376 1408 1720 1760 1892 2048 2365 2560 2752 2816 3440 3520 3784 4339 4730 5120 5504 5632 6880 7040 7568 8678 9460 10240 11008 11264 13760 14080 15136 17356 18920 21695 22016 22528 27520 28160 30272 34712 37840 43390 44032 47729 55040 56320 60544 69424 75680 86780 88064 95458 110080 112640 121088 138848 151360 173560 186577 190916 220160 238645 242176 277696 302720 347120 373154 381832 440320 477290 484352 555392 605440 694240 746308 763664 932885 954580 968704 1110784 1210880 1388480 1492616 1527328 1865770 1909160 2052347 2221568 2421760 2776960 2985232 3054656 3731540 3818320 4104694 4443136 4843520 5553920 5970464 6109312 7463080 7636640 8209388 8886272 10261735 11107840 11940928 12218624 14926160 15273280 16418776 20523470 22215680 23881856 24437248 29852320 30546560 32837552 41046940 44431360 47763712 48874496 59704640 61093120 65675104 82093880 95527424 97748992 119409280 122186240 131350208 164187760 191054848 238818560 244372480 262700416 328375520 382109696 477637120 488744960 525400832 656751040 955274240 1050801664 1313502080 1910548480 2101603328 2627004160 4203206656 5254008320 10508016640 21016033280
• Sum of all divisors σ(n): 56302646400
• Sum of proper divisors (its aliquot sum) s(n): 35286613120
• 21016033280 is an abundant number, because the sum of its proper divisors (35286613120) is greater than itself. Its abundance is 14270579840

Bases of 21016033280

• Binary: 10011100100101001110011100000000000₂
• Hexadecimal: 0x4E4A73800
• Base-36: 9NKEJ28

Squares and roots of 21016033280

• 21016033280 squared (21016033280²) is 441673654826067558400
• 21016033280 cubed (21016033280³) is 9282228228723868418862743552000
• The square root of 21016033280 is 144969.0769785061
• The cube root of 21016033280 is 2759.6261343343

Scales and comparisons

• 21,016,033,280 seconds is equal to 668 years, 12 weeks, 5 days, 3 hours, 1 minute, 20 seconds.
• To count from 1 to 21,016,033,280 would take you about one thousand, three hundred thirty-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 21016033280 cubic inches would be around 230 feet tall.

Recreational maths with 21016033280

• 21016033280 backwards is 08233061012
• The number of decimal digits it has is: 11
• The sum of 21016033280's digits is 26
• More coming soon!