21148135424

Names of 21148135424

• Cardinal: 21148135424 can be written as Twenty-one billion, one hundred forty-eight million, one hundred thirty-five thousand, four hundred twenty-four.

Scientific notation

• Scientific notation: 2.1148135424 × 10¹⁰

Factors of 21148135424

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 375

Divisors of 21148135424

• Number of divisors d(n): 156
• Complete list of divisors:
  1 2 4 8 13 16 26 32 52 64 104 128 137 169 208 223 256 274 338 416 446 512 548 676 832 892 1024 1096 1352 1664 1781 1784 2048 2192 2704 2899 3328 3562 3568 4096 4384 5408 5798 6656 7124 7136 8768 10816 11596 13312 14248 14272 17536 21632 23153 23192 26624 28496 28544 30551 35072 37687 43264 46306 46384 53248 56992 57088 61102 70144 75374 86528 92612 92768 113984 114176 122204 140288 150748 173056 185224 185536 227968 228352 244408 280576 301496 346112 370448 371072 397163 455936 456704 488816 561152 602992 692224 740896 742144 794326 911872 913408 977632 1205984 1481792 1484288 1588652 1823744 1955264 2411968 2963584 2968576 3177304 3647488 3910528 4823936 5163119 5927168 5937152 6354608 7294976 7821056 9647872 10326238 11854336 11874304 12709216 15642112 19295744 20652476 23708672 25418432 31284224 38591488 41304952 47417344 50836864 62568448 77182976 82609904 94834688 101673728 125136896 154365952 165219808 203347456 330439616 406694912 660879232 813389824 1321758464 1626779648 2643516928 5287033856 10574067712 21148135424
• Sum of all divisors σ(n): 46335635136
• Sum of proper divisors (its aliquot sum) s(n): 25187499712
• 21148135424 is an abundant number, because the sum of its proper divisors (25187499712) is greater than itself. Its abundance is 4039364288

Bases of 21148135424

• Binary: 10011101100100001101111000000000000₂
• Hexadecimal: 0x4EC86F000
• Base-36: 9PR1XQ8

Squares and roots of 21148135424

• 21148135424 squared (21148135424²) is 447243631911843659776
• 21148135424 cubed (21148135424³) is 9458368895193277746458629505024
• The square root of 21148135424 is 145423.9850368569
• The cube root of 21148135424 is 2765.3961948741

Scales and comparisons

• 21,148,135,424 seconds is equal to 672 years, 23 weeks, 1 day, 2 hours, 3 minutes, 44 seconds.
• To count from 1 to 21,148,135,424 would take you about one thousand, three hundred forty-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 21148135424 cubic inches would be around 230.4 feet tall.

Recreational maths with 21148135424

• 21148135424 backwards is 42453184112
• The number of decimal digits it has is: 11
• The sum of 21148135424's digits is 35
• More coming soon!