2009665840

Names of 2009665840

• Cardinal: 2009665840 can be written as Two billion, nine million, six hundred sixty-five thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.00966584 × 10⁹

Factors of 2009665840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 6801

Divisors of 2009665840

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 26 28 35 40 41 52 56 65 70 80 82 91 104 112 130 140 164 182 205 208 260 280 287 328 364 410 455 520 533 560 574 656 728 820 910 1040 1066 1148 1435 1456 1640 1820 2132 2296 2665 2870 3280 3640 3731 4264 4592 5330 5740 6733 7280 7462 8528 10660 11480 13466 14924 18655 21320 22960 26932 29848 33665 37310 42640 47131 53864 59696 67330 74620 87529 94262 107728 134660 149240 175058 188524 235655 269320 276053 298480 350116 377048 437645 471310 538640 552106 612703 700232 754096 875290 942620 1104212 1225406 1380265 1400464 1750580 1885240 1932371 2208424 2450812 2760530 3063515 3501160 3588689 3770480 3864742 4416848 4901624 5521060 6127030 7002320 7177378 7729484 9661855 9803248 11042120 12254060 14354756 15458968 17943445 19323710 22084240 24508120 25120823 28709512 30917936 35886890 38647420 49016240 50241646 57419024 71773780 77294840 100483292 125604115 143547560 154589680 200966584 251208230 287095120 401933168 502416460 1004832920 2009665840
• Sum of all divisors σ(n): 5891872896
• Sum of proper divisors (its aliquot sum) s(n): 3882207056
• 2009665840 is an abundant number, because the sum of its proper divisors (3882207056) is greater than itself. Its abundance is 1872541216

Bases of 2009665840

• Binary: 1110111110010010001000100110000₂
• Hexadecimal: 0x77C91130
• Base-36: X8I434

Squares and roots of 2009665840

• 2009665840 squared (2009665840²) is 4038756788462905600
• 2009665840 cubed (2009665840³) is 8116551553842007491464704000
• The square root of 2009665840 is 44829.2966708157
• The cube root of 2009665840 is 1261.9474880681

Scales and comparisons

• 2,009,665,840 seconds is equal to 63 years, 46 weeks, 6 days, 30 minutes, 40 seconds.
• To count from 1 to 2,009,665,840 would take you about one hundred twenty-seven 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 2009665840 cubic inches would be around 105.2 feet tall.

Recreational maths with 2009665840

• 2009665840 backwards is 0485669002
• 2009665840 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 2009665840's digits is 40
• More coming soon!