2018290890

Names of 2018290890

• Cardinal: 2018290890 can be written as Two billion, eighteen million, two hundred ninety thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 2.01829089 × 10⁹

Factors of 2018290890

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1649

Divisors of 2018290890

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 5 6 7 10 11 14 15 21 22 30 33 35 42 49 55 66 70 77 98 105 110 121 147 154 165 210 231 242 245 294 330 343 363 385 462 490 539 605 686 726 735 770 847 1029 1078 1155 1210 1470 1617 1621 1694 1715 1815 2058 2310 2541 2695 3234 3242 3430 3630 3773 4235 4863 5082 5145 5390 5929 7546 8085 8105 8470 9726 10290 11319 11347 11858 12705 16170 16210 17787 17831 18865 22638 22694 24315 25410 29645 34041 35574 35662 37730 41503 48630 53493 56595 56735 59290 68082 79429 83006 88935 89155 106986 113190 113470 124509 124817 158858 170205 177870 178310 196141 207515 238287 249018 249634 267465 340410 374451 392282 397145 415030 476574 534930 556003 588423 622545 624085 748902 794290 873719 980705 1112006 1176846 1191435 1245090 1248170 1372987 1668009 1747438 1872255 1961410 2382870 2621157 2745974 2780015 2942115 3336018 3744510 4118961 4368595 5242314 5560030 5884230 6116033 6864935 8237922 8340045 8737190 9610909 12232066 13105785 13729870 16680090 18348099 19221818 20594805 26211570 28832727 30580165 36696198 41189610 48054545 57665454 61160330 67276363 91740495 96109090 134552726 144163635 183480990 201829089 288327270 336381815 403658178 672763630 1009145445 2018290890
• Sum of all divisors σ(n): 6212908800
• Sum of proper divisors (its aliquot sum) s(n): 4194617910
• 2018290890 is an abundant number, because the sum of its proper divisors (4194617910) is greater than itself. Its abundance is 2176327020

Bases of 2018290890

• Binary: 1111000010011001010110011001010₂
• Hexadecimal: 0x784CACCA
• Base-36: XDMZ7U

Squares and roots of 2018290890

• 2018290890 squared (2018290890²) is 4073498116656992100
• 2018290890 cubed (2018290890³) is 8221504139280964410231969000
• The square root of 2018290890 is 44925.3924857647
• The cube root of 2018290890 is 1263.7502464971

Scales and comparisons

• 2,018,290,890 seconds is equal to 64 years, 9 weeks, 20 hours, 21 minutes, 30 seconds.
• To count from 1 to 2,018,290,890 would take you about one hundred twenty-eight 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 2018290890 cubic inches would be around 105.3 feet tall.

Recreational maths with 2018290890

• 2018290890 backwards is 0980928102
• The number of decimal digits it has is: 10
• The sum of 2018290890's digits is 39
• More coming soon!