21449622528

Names of 21449622528

• Cardinal: 21449622528 can be written as Twenty-one billion, four hundred forty-nine million, six hundred twenty-two thousand, five hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1449622528 × 10¹⁰

Factors of 21449622528

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 775816

Divisors of 21449622528

• Number of divisors d(n): 88
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 128 144 192 216 256 288 384 432 512 576 768 864 1024 1152 1536 1728 2304 3072 3456 4608 6912 9216 13824 27648 775811 1551622 2327433 3103244 4654866 6206488 6982299 9309732 12412976 13964598 18619464 20946897 24825952 27929196 37238928 41893794 49651904 55858392 74477856 83787588 99303808 111716784 148955712 167575176 198607616 223433568 297911424 335150352 397215232 446867136 595822848 670300704 794430464 893734272 1191645696 1340601408 1787468544 2383291392 2681202816 3574937088 5362405632 7149874176 10724811264 21449622528
• Sum of all divisors σ(n): 63523486560
• Sum of proper divisors (its aliquot sum) s(n): 42073864032
• 21449622528 is an abundant number, because the sum of its proper divisors (42073864032) is greater than itself. Its abundance is 20624241504

Bases of 21449622528

• Binary: 10011111110011111110100010000000000₂
• Hexadecimal: 0x4FE7F4400
• Base-36: 9UQJUO0

Squares and roots of 21449622528

• 21449622528 squared (21449622528²) is 460086306593685110784
• 21449622528 cubed (21449622528³) is 9868677606736223094810662141952
• The square root of 21449622528 is 146456.8964849385
• The cube root of 21449622528 is 2778.4753698583

Scales and comparisons

• 21,449,622,528 seconds is equal to 682 years, 1 week, 4 days, 12 hours, 28 minutes, 48 seconds.
• To count from 1 to 21,449,622,528 would take you about one thousand, three hundred sixty-four 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 21449622528 cubic inches would be around 231.5 feet tall.

Recreational maths with 21449622528

• 21449622528 backwards is 82522694412
• The number of decimal digits it has is: 11
• The sum of 21449622528's digits is 45
• More coming soon!