21400235424

Names of 21400235424

• Cardinal: 21400235424 can be written as Twenty-one billion, four hundred million, two hundred thirty-five thousand, four hundred twenty-four.

Scientific notation

• Scientific notation: 2.1400235424 × 10¹⁰

Factors of 21400235424

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2238

Divisors of 21400235424

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 79 96 108 144 157 158 216 237 288 314 316 432 471 474 628 632 711 864 942 948 1256 1264 1413 1422 1884 1896 1997 2133 2512 2528 2826 2844 3768 3792 3994 4239 4266 5024 5652 5688 5991 7536 7584 7988 8478 8532 11304 11376 11982 12403 15072 15976 16956 17064 17973 22608 22752 23964 24806 31952 33912 34128 35946 37209 45216 47928 49612 53919 63904 67824 68256 71892 74418 95856 99224 107838 111627 135648 143784 148836 157763 191712 198448 215676 223254 287568 297672 313529 315526 334881 396896 431352 446508 473289 575136 595344 627058 631052 669762 862704 893016 940587 946578 1190688 1254116 1262104 1339524 1419867 1725408 1786032 1881174 1893156 2508232 2524208 2679048 2821761 2839734 3572064 3762348 3786312 4259601 5016464 5048416 5358096 5643522 5679468 7524696 7572624 8465283 8519202 10032928 10716192 11287044 11358936 15049392 15145248 16930566 17038404 22574088 22717872 24768791 30098784 33861132 34076808 45148176 45435744 49537582 67722264 68153616 74306373 90296352 99075164 135444528 136307232 148612746 198150328 222919119 270889056 297225492 396300656 445838238 594450984 668757357 792601312 891676476 1188901968 1337514714 1783352952 2377803936 2675029428 3566705904 5350058856 7133411808 10700117712 21400235424
• Sum of all divisors σ(n): 63641894400
• Sum of proper divisors (its aliquot sum) s(n): 42241658976
• 21400235424 is an abundant number, because the sum of its proper divisors (42241658976) is greater than itself. Its abundance is 20841423552

Bases of 21400235424

• Binary: 10011111011100011011010110110100000₂
• Hexadecimal: 0x4FB8DADA0
• Base-36: 9TX5BC0

Squares and roots of 21400235424

• 21400235424 squared (21400235424²) is 457970076202624459776
• 21400235424 cubed (21400235424³) is 9800667447883383365867218305024
• The square root of 21400235424 is 146288.1930437313
• The cube root of 21400235424 is 2776.3412794269

Scales and comparisons

• 21,400,235,424 seconds is equal to 680 years, 23 weeks, 6 days, 21 hours, 50 minutes, 24 seconds.
• To count from 1 to 21,400,235,424 would take you about one thousand, three hundred sixty 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 21400235424 cubic inches would be around 231.4 feet tall.

Recreational maths with 21400235424

• 21400235424 backwards is 42453200412
• 21400235424 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21400235424's digits is 27
• More coming soon!