3949764897

Names of 3949764897

• Cardinal: 3949764897 can be written as Three billion, nine hundred forty-nine million, seven hundred sixty-four thousand, eight hundred ninety-seven.

Scientific notation

• Scientific notation: 3.949764897 × 10⁹

Factors of 3949764897

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 209

Divisors of 3949764897

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 13 19 39 47 57 127 141 247 361 381 611 741 893 1083 1651 1833 2209 2413 2679 4693 4953 5969 6627 7239 11609 14079 16967 17907 28717 31369 34827 41971 45847 50901 77597 86151 94107 113411 125913 137541 220571 232791 280543 340233 545623 596011 661713 797449 841629 1474343 1636869 1788033 2154809 2392347 3647059 4423029 5330317 6464427 10366837 10941177 15990951 28012517 31100511 69294121 84037551 101276023 207882363 303828069 1316588299 3949764897
• Sum of all divisors σ(n): 6163885056
• Sum of proper divisors (its aliquot sum) s(n): 2214120159
• 3949764897 is a deficient number, because the sum of its proper divisors (2214120159) is less than itself. Its deficiency is 1735644738

Bases of 3949764897

• Binary: 11101011011011001010000100100001₂
• Hexadecimal: 0xEB6CA121
• Base-36: 1TBL63L

Squares and roots of 3949764897

• 3949764897 squared (3949764897²) is 15600642741573420609
• 3949764897 cubed (3949764897³) is 61618871071304539269644562273
• The square root of 3949764897 is 62847.1550430089
• The cube root of 3949764897 is 1580.7277661305

Scales and comparisons

• 3,949,764,897 seconds is equal to 125 years, 30 weeks, 4 days, 20 hours, 54 minutes, 57 seconds.
• To count from 1 to 3,949,764,897 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 3949764897 cubic inches would be around 131.7 feet tall.

Recreational maths with 3949764897

• 3949764897 backwards is 7984679493
• The number of decimal digits it has is: 10
• The sum of 3949764897's digits is 66
• More coming soon!