21421989414

Names of 21421989414

• Cardinal: 21421989414 can be written as Twenty-one billion, four hundred twenty-one million, nine hundred eighty-nine thousand, four hundred fourteen.

Scientific notation

• Scientific notation: 2.1421989414 × 10¹⁰

Factors of 21421989414

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 222

Divisors of 21421989414

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 42 63 83 126 127 166 249 254 381 498 581 747 762 889 1143 1162 1494 1743 1778 2286 2667 3486 5229 5334 8001 10458 10541 16002 16129 21082 31623 32258 48387 63246 73787 94869 96774 112903 145161 147574 189738 221361 225806 290322 338709 442722 664083 677418 1016127 1328166 1338707 2032254 2048383 2677414 4016121 4096766 6145149 8032242 9370949 12048363 12290298 14338681 18435447 18741898 24096726 28112847 28677362 36870894 43016043 56225694 84338541 86032086 129048129 168677082 170015789 258096258 340031578 510047367 1020094734 1190110523 1530142101 2380221046 3060284202 3570331569 7140663138 10710994707 21421989414
• Sum of all divisors σ(n): 54110085120
• Sum of proper divisors (its aliquot sum) s(n): 32688095706
• 21421989414 is an abundant number, because the sum of its proper divisors (32688095706) is greater than itself. Its abundance is 11266106292

Bases of 21421989414

• Binary: 10011111100110110011001111000100110₂
• Hexadecimal: 0x4FCD99E26
• Base-36: 9UA3KTI

Squares and roots of 21421989414

• 21421989414 squared (21421989414²) is 458901630453528063396
• 21421989414 cubed (21421989414³) is 9830585869642818193021032889944
• The square root of 21421989414 is 146362.5273558775
• The cube root of 21421989414 is 2777.2817059505

Scales and comparisons

• 21,421,989,414 seconds is equal to 681 years, 7 weeks, 6 days, 16 hours, 36 minutes, 54 seconds.
• To count from 1 to 21,421,989,414 would take you about one thousand, three hundred sixty-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 21421989414 cubic inches would be around 231.4 feet tall.

Recreational maths with 21421989414

• 21421989414 backwards is 41498912412
• The number of decimal digits it has is: 11
• The sum of 21421989414's digits is 45
• More coming soon!