3946985007

Names of 3946985007

• Cardinal: 3946985007 can be written as Three billion, nine hundred forty-six million, nine hundred eighty-five thousand and seven.

Scientific notation

• Scientific notation: 3.946985007 × 10⁹

Factors of 3946985007

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 325

Divisors of 3946985007

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 7 19 21 31 41 43 57 93 123 129 133 181 217 287 301 399 543 589 651 779 817 861 903 1267 1271 1333 1763 1767 2337 2451 3439 3801 3813 3999 4123 5289 5453 5611 5719 7421 7783 8897 9331 10317 12341 12369 16359 16833 17157 22263 23349 24073 24149 25327 26691 27993 33497 37023 39277 51947 54481 54653 72219 72447 75981 100491 106609 117831 140999 147877 155841 163443 163959 169043 177289 230051 234479 241273 319103 319827 382571 422997 443631 507129 531867 690153 703437 723819 746263 957309 986993 1035139 1038407 1147713 1610357 1688911 2233721 2238789 2960979 3105417 3115221 4370969 4584187 4831071 5066733 6062957 6701163 7268849 9892193 13112907 13752561 18188871 21806547 29676579 30596783 32089309 42440699 69245351 91790349 96267927 127322097 187951667 207736053 563855001 1315661669 3946985007
• Sum of all divisors σ(n): 6888161280
• Sum of proper divisors (its aliquot sum) s(n): 2941176273
• 3946985007 is a deficient number, because the sum of its proper divisors (2941176273) is less than itself. Its deficiency is 1005808734

Bases of 3946985007

• Binary: 11101011010000100011011000101111₂
• Hexadecimal: 0xEB42362F
• Base-36: 1T9XL4F

Squares and roots of 3946985007

• 3946985007 squared (3946985007²) is 15578690645482790049
• 3946985007 cubed (3946985007³) is 61488858406411724599931795343
• The square root of 3946985007 is 62825.0348746423
• The cube root of 3946985007 is 1580.3568342957

Scales and comparisons

• 3,946,985,007 seconds is equal to 125 years, 26 weeks, 16 hours, 43 minutes, 27 seconds.
• To count from 1 to 3,946,985,007 would take you about two hundred fifty-one 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 3946985007 cubic inches would be around 131.7 feet tall.

Recreational maths with 3946985007

• 3946985007 backwards is 7005896493
• The number of decimal digits it has is: 10
• The sum of 3946985007's digits is 51
• More coming soon!