20928421948

Names of 20928421948

• Cardinal: 20928421948 can be written as Twenty billion, nine hundred twenty-eight million, four hundred twenty-one thousand, nine hundred forty-eight.

Scientific notation

• Scientific notation: 2.0928421948 × 10¹⁰

Factors of 20928421948

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 309

Divisors of 20928421948

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 7 14 17 19 28 34 38 49 68 76 98 119 127 133 137 196 238 254 266 274 323 361 476 508 532 548 646 722 833 889 931 959 1292 1444 1666 1778 1862 1918 2159 2261 2329 2413 2527 2603 3332 3556 3724 3836 4318 4522 4658 4826 5054 5206 6137 6223 6713 8636 9044 9316 9652 10108 10412 12274 12446 13426 15113 15827 16303 16891 17399 17689 18221 24548 24892 26852 30226 31654 32606 33782 34798 35378 36442 41021 42959 44251 45847 49457 60452 63308 65212 67564 69596 70756 72884 82042 85918 88502 91694 98914 105791 114121 118237 121793 127547 164084 171836 177004 183388 197828 211582 228242 236474 243586 255094 287147 295783 300713 309757 320929 330581 346199 423164 456484 472948 487172 510188 574294 591566 601426 619514 641858 661162 692398 779399 840769 852551 1148588 1183132 1202852 1239028 1283716 1322324 1384796 1558798 1681538 1705102 2010029 2070481 2168299 2246503 2314067 2423393 3117596 3363076 3410204 4020058 4140962 4336598 4493006 4628134 4846786 5455793 5619877 5885383 6281039 8040116 8281924 8673196 8986012 9256268 9693572 10911586 11239754 11770766 12562078 14493367 16198469 21823172 22479508 23541532 25124156 28986734 32396938 38190551 39339139 41197681 43967273 57973468 64793876 76381102 78678278 82395362 87934546 106777663 152762204 157356556 164790724 175869092 213555326 275373973 307770911 427110652 550747946 615541822 747443641 1101495892 1231083644 1494887282 2989774564 5232105487 10464210974 20928421948
• Sum of all divisors σ(n): 48334745088
• Sum of proper divisors (its aliquot sum) s(n): 27406323140
• 20928421948 is an abundant number, because the sum of its proper divisors (27406323140) is greater than itself. Its abundance is 6477901192

Bases of 20928421948

• Binary: 10011011111011011100110000000111100₂
• Hexadecimal: 0x4DF6E603C
• Base-36: 9M48PQ4

Squares and roots of 20928421948

• 20928421948 squared (20928421948²) is 437998845233528114704
• 20928421948 cubed (20928421948³) is 9166624645784024981246255123392
• The square root of 20928421948 is 144666.5889139577
• The cube root of 20928421948 is 2755.7860301751

Scales and comparisons

• 20,928,421,948 seconds is equal to 665 years, 23 weeks, 6 days, 2 hours, 32 minutes, 28 seconds.
• To count from 1 to 20,928,421,948 would take you about one thousand, three hundred thirty 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 20928421948 cubic inches would be around 229.6 feet tall.

Recreational maths with 20928421948

• 20928421948 backwards is 84912482902
• 20928421948 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20928421948's digits is 49
• More coming soon!