21043665370

Names of 21043665370

• Cardinal: 21043665370 can be written as Twenty-one billion, forty-three million, six hundred sixty-five thousand, three hundred seventy.

Scientific notation

• Scientific notation: 2.104366537 × 10¹⁰

Factors of 21043665370

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 33643

Divisors of 21043665370

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 5 7 10 13 14 26 35 53 65 70 91 106 130 169 182 265 338 371 455 530 689 742 845 910 1183 1378 1690 1855 2366 3445 3710 4823 5915 6890 8957 9646 11830 17914 24115 33563 44785 48230 62699 67126 89570 125398 167815 234941 313495 335630 436319 469882 626990 872638 1174705 1778839 2181595 2349410 3054233 3557678 4363190 5672147 6108466 8894195 11344294 12451873 15271165 17788390 23124907 24903746 28360735 30542330 39705029 46249814 56721470 62259365 79410058 115624535 124518730 161874349 198525145 231249070 300623791 323748698 397050290 601247582 809371745 1503118955 1618743490 2104366537 3006237910 4208733074 10521832685 21043665370
• Sum of all divisors σ(n): 47761840512
• Sum of proper divisors (its aliquot sum) s(n): 26718175142
• 21043665370 is an abundant number, because the sum of its proper divisors (26718175142) is greater than itself. Its abundance is 5674509772

Bases of 21043665370

• Binary: 10011100110010011001101100111011010₂
• Hexadecimal: 0x4E64CD9DA
• Base-36: 9O0US4A

Squares and roots of 21043665370

• 21043665370 squared (21043665370²) is 442835852204537236900
• 21043665370 cubed (21043665370³) is 9318889487631058409028016153000
• The square root of 21043665370 is 145064.3490661989
• The cube root of 21043665370 is 2760.8350659649

Scales and comparisons

• 21,043,665,370 seconds is equal to 669 years, 6 weeks, 2 days, 22 hours, 36 minutes, 10 seconds.
• To count from 1 to 21,043,665,370 would take you about one thousand, three hundred thirty-eight 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 21043665370 cubic inches would be around 230.1 feet tall.

Recreational maths with 21043665370

• 21043665370 backwards is 07356634012
• The number of decimal digits it has is: 11
• The sum of 21043665370's digits is 37
• More coming soon!