21328714528

Names of 21328714528

• Cardinal: 21328714528 can be written as Twenty-one billion, three hundred twenty-eight million, seven hundred fourteen thousand, five hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1328714528 × 10¹⁰

Factors of 21328714528

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 103

Divisors of 21328714528

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 8 11 16 22 32 37 44 53 74 88 106 121 148 176 212 242 296 352 407 424 484 583 592 814 848 968 1166 1184 1628 1696 1936 1961 2332 2809 3256 3872 3922 4477 4664 5618 6413 6512 7844 8954 9328 11236 12826 13024 15688 17908 18656 21571 22472 25652 30899 31376 35816 43142 44944 51304 61798 62752 71632 86284 89888 102608 103933 123596 143264 148877 172568 205216 207866 237281 247192 297754 339889 345136 415732 474562 494384 595508 679778 690272 831464 949124 988768 1143263 1191016 1359556 1637647 1662928 1898248 2286526 2382032 2719112 3275294 3325856 3796496 4573052 4764064 5438224 5508449 6550588 7592992 9146104 10876448 11016898 12575893 13101176 18014117 18292208 22033796 25151786 26202352 36028234 36584416 44067592 50303572 52404704 60592939 72056468 88135184 100607144 121185878 144112936 176270368 201214288 242371756 288225872 402428576 484743512 576451744 666522329 969487024 1333044658 1938974048 2666089316 5332178632 10664357264 21328714528
• Sum of all divisors σ(n): 48314319480
• Sum of proper divisors (its aliquot sum) s(n): 26985604952
• 21328714528 is an abundant number, because the sum of its proper divisors (26985604952) is greater than itself. Its abundance is 5656890424

Bases of 21328714528

• Binary: 10011110111010010100101101100100000₂
• Hexadecimal: 0x4F74A5B20
• Base-36: 9SQKDGG

Squares and roots of 21328714528

• 21328714528 squared (21328714528²) is 454914063416918262784
• 21328714528 cubed (21328714528³) is 9702732193391937872429622525952
• The square root of 21328714528 is 146043.5364129477
• The cube root of 21328714528 is 2773.2449266587

Scales and comparisons

• 21,328,714,528 seconds is equal to 678 years, 9 weeks, 5 days, 2 hours, 55 minutes, 28 seconds.
• To count from 1 to 21,328,714,528 would take you about one thousand, three hundred fifty-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 21328714528 cubic inches would be around 231.1 feet tall.

Recreational maths with 21328714528

• 21328714528 backwards is 82541782312
• The number of decimal digits it has is: 11
• The sum of 21328714528's digits is 43
• More coming soon!