16728821109

Names of 16728821109

• Cardinal: 16728821109 can be written as Sixteen billion, seven hundred twenty-eight million, eight hundred twenty-one thousand, one hundred nine.

Scientific notation

• Scientific notation: 1.6728821109 × 10¹⁰

Factors of 16728821109

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 307

Divisors of 16728821109

• Number of divisors d(n): 256
• Complete list of divisors:
  1 3 7 9 11 13 21 27 33 39 61 63 73 77 91 99 117 139 143 183 189 219 231 273 297 351 417 427 429 511 549 657 671 693 793 803 819 949 973 1001 1251 1281 1287 1529 1533 1647 1807 1971 2013 2079 2379 2409 2457 2847 2919 3003 3753 3843 3861 4453 4587 4599 4697 5421 5551 5621 6039 6643 7137 7227 8479 8541 8723 8757 9009 10147 10439 10703 11529 12649 13359 13761 13797 14091 16263 16653 16863 18117 19877 19929 21411 21681 25437 25623 26169 26271 27027 30441 31171 31317 32109 37947 40077 41283 42273 48789 48983 49959 50589 57889 59353 59631 59787 61061 71029 73073 76311 78507 91323 93269 93513 93951 96327 110227 111617 113841 120231 126819 131911 139139 146949 149877 151767 173667 178059 178893 179361 183183 213087 219219 228933 235521 273969 279807 280539 281853 288981 330681 334851 341523 342881 395733 405223 417417 440847 521001 534177 536679 549549 618967 636779 639261 652883 657657 771589 781319 839421 841617 923377 992043 1004553 1028643 1187199 1212497 1215669 1252251 1322541 1451021 1563003 1602531 1648647 1856901 1910337 1917783 1958649 1972971 2314767 2343957 2518263 2770131 2976129 3013659 3085929 3561597 3637491 3647007 3756753 4332769 4353063 4457453 5570703 5731011 5875947 6808637 6944301 7031871 8046571 8310393 8487479 9257787 10157147 10912473 10941021 12998307 13059189 13372359 16712109 17193033 17627841 20425911 20832903 21095613 24139713 24931179 25462437 30471441 32737419 38994921 39177567 40117077 47660459 56325997 61277733 72419139 76387311 88512281 91414323 116984763 120351231 142981377 168977991 183833199 217257417 229161933 265536843 274242969 428944131 506933973 619585967 796610529 1286832393 1520801919 1858757901 2389831587 5576273703 16728821109
• Sum of all divisors σ(n): 34531123200
• Sum of proper divisors (its aliquot sum) s(n): 17802302091
• 16728821109 is an abundant number, because the sum of its proper divisors (17802302091) is greater than itself. Its abundance is 1073480982

Bases of 16728821109

• Binary: 1111100101000111011000110101110101₂
• Hexadecimal: 0x3E51D8D75
• Base-36: 7ONWOZ9

Squares and roots of 16728821109

• 16728821109 squared (16728821109²) is 279853455696923989881
• 16728821109 cubed (16728821109³) is 4681618397089298348289775198029
• The square root of 16728821109 is 129339.9439809683
• The cube root of 16728821109 is 2557.5361379815

Scales and comparisons

• 16,728,821,109 seconds is equal to 531 years, 48 weeks, 14 hours, 45 minutes, 9 seconds.
• To count from 1 to 16,728,821,109 would take you about one thousand and sixty-three 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 16728821109 cubic inches would be around 213.1 feet tall.

Recreational maths with 16728821109

• 16728821109 backwards is 90112882761
• The number of decimal digits it has is: 11
• The sum of 16728821109's digits is 45
• More coming soon!